FPCN11 CWTO 161500
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 11:00 a.m. EDT Saturday 16 May 2026 for
today and Sunday.
The next scheduled forecast will be issued at 3:30 p.m. EDT.

City of Toronto.
Today..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind becoming southwest 20 km/h gusting to 40 early
this afternoon. High 23. Humidex 26. UV index 3 or moderate.
Tonight..Partly cloudy. 30 percent chance of showers early this
evening. Wind southwest 20 km/h becoming light late this evening.
Low 13.
Sunday..Mainly sunny. High 23. UV index 8 or very high.

Windsor - Leamington - Essex County.
Today..Showers ending this afternoon then a mix of sun and cloud with
40 percent chance of showers. Risk of a thunderstorm. Wind southwest
20 km/h gusting to 40. High 26. Humidex 32. UV index 7 or high. Tonight..Clear. Increasing cloudiness near midnight. Wind southwest
30 km/h. Low 14.
Sunday..A mix of sun and cloud. 30 percent chance of showers late in
the afternoon with risk of a thunderstorm. Wind southwest 30 km/h
becoming light early in the morning. Wind becoming south 30 gusting
to 50 near noon. High 26. Humidex 31. UV index 8 or very high.

Chatham-Kent - Rondeau Park.
Today..Showers ending this afternoon then a mix of sun and cloud with
40 percent chance of showers. Risk of a thunderstorm. Wind south
30 km/h gusting to 50. High 24. Humidex 30. UV index 3 or moderate.
Tonight..A few clouds. Increasing cloudiness after midnight. Wind
south 30 km/h gusting to 50 becoming light late this evening.
Low 12.
Sunday..Becoming a mix of sun and cloud in the morning. 30 percent
chance of showers late in the afternoon. Risk of a thunderstorm late
in the afternoon. High 26. Humidex 31. UV index 8 or very high.

Sarnia - Petrolia - Western Lambton County.
Today..Showers ending this afternoon then a mix of sun and cloud with
40 percent chance of showers. Risk of a thunderstorm. Wind south
30 km/h gusting to 50. High 24. Humidex 30. UV index 6 or high. Tonight..Clear. Becoming partly cloudy overnight. Wind southwest
30 km/h becoming light overnight. Low 10.
Sunday..Mainly cloudy. 30 percent chance of showers late in the
afternoon with risk of a thunderstorm. High 25. Humidex 30. UV
index 7 or high.

Watford - Pinery Park - Eastern Lambton County.
Today..Showers ending this afternoon then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm. Wind west
30 km/h gusting to 60. High 24. Humidex 30. UV index 7 or high. Tonight..Mainly cloudy. Wind west 30 km/h gusting to 60 becoming
light overnight. Low 10.
Sunday..A mix of sun and cloud. 30 percent chance of showers late in
the afternoon with risk of a thunderstorm. High 25. Humidex 30. UV
index 8 or very high.

Rodney - Shedden - Western Elgin County.
Today..A mix of sun and cloud with 70 percent chance of showers and
risk of a thunderstorm. Wind southwest 30 km/h gusting to 50.
High 22. Humidex 27. UV index 8 or very high.
Tonight..A few clouds. Increasing cloudiness after midnight. Wind
southwest 30 km/h gusting to 50 becoming light late this evening.
Low 12.
Sunday..Cloudy. Becoming a mix of sun and cloud near noon with
30 percent chance of showers late in the afternoon. High 22. Humidex
26. UV index 8 or very high.

St. Thomas - Aylmer - Eastern Elgin County.
Today..Mainly cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 22. Humidex
27. UV index 8 or very high.
Tonight..Partly cloudy. Wind southwest 20 km/h gusting to 40 becoming
light this evening. Low 12.
Sunday..Mainly cloudy. 30 percent chance of showers late in the
afternoon. High 22. Humidex 26. UV index 8 or very high.

Strathroy - Komoka - Western Middlesex County.
Today..Mainly cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 30 km/h gusting to 50. High 24. Humidex
30. UV index 7 or high.
Tonight..Clear. Becoming partly cloudy overnight. Wind southwest
20 km/h becoming light late this evening. Low 12.
Sunday..A mix of sun and cloud. 30 percent chance of showers late in
the afternoon. Wind becoming south 20 km/h gusting to 40 late in the
afternoon. High 26. Humidex 30. UV index 7 or high.

London - Parkhill - Eastern Middlesex County.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40. High 23. Humidex
29. UV index 3 or moderate.
Tonight..Partly cloudy. Wind southwest 20 km/h becoming light this
evening. Low 12.
Sunday..A mix of sun and cloud. 30 percent chance of showers late in
the afternoon. Wind becoming south 20 km/h late in the afternoon.
High 26. Humidex 30. UV index 8 or very high.

Simcoe - Delhi - Norfolk.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 30 km/h gusting to 60. High 21. UV
index 3 or moderate.
Tonight..Mainly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind southwest 30 km/h gusting
to 60 becoming light late this evening. Low 12.
Sunday..Mainly cloudy. 30 percent chance of showers late in the
afternoon. High 21. Humidex 26. UV index 8 or very high.

Dunnville - Caledonia - Haldimand.
Today..Mainly cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind west 30 km/h gusting to 70. High 21. Humidex 26.
UV index 7 or high.
Tonight..Mainly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind southwest 20 km/h gusting
to 40 becoming light late this evening. Low 12.
Sunday..Clearing in the morning. High 21. Humidex 25. UV index 8 or
very high.

Woodstock - Tillsonburg - Oxford County.
Today..Mainly cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind southwest 30 km/h gusting to 50. High 22. Humidex
25. UV index 7 or high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind southwest 20 km/h becoming
light late this evening. Low 12.
Sunday..A mix of sun and cloud. 30 percent chance of showers late in
the afternoon. Wind becoming south 20 km/h late in the afternoon.
High 26. Humidex 28. UV index 8 or very high.

Brantford - County of Brant.
Today..Mainly cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind west 30 km/h gusting to 70. High 22. Humidex 25.
UV index 7 or high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind southwest 20 km/h gusting
to 40. Low 12.
Sunday..A mix of sun and cloud. 30 percent chance of showers late in
the afternoon. Wind southwest 30 km/h becoming light early in the
morning. High 26. Humidex 28. UV index 8 or very high.

Niagara Falls - Welland - Southern Niagara Region.
Today..Mainly cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind west 30 km/h gusting to 60. High 21. Humidex 25.
UV index 8 or very high.
Tonight..Mainly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind west 30 km/h gusting to
60. Low 12.
Sunday..A mix of sun and cloud. Wind southwest 20 km/h becoming light
in the morning. High 20. UV index 8 or very high.

St. Catharines - Grimsby - Northern Niagara Region.
Today..Mainly cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind west 30 km/h gusting to 60. High 21. Humidex 25.
UV index 7 or high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind west 30 km/h gusting to
60. Low 10.
Sunday..Clearing in the morning. Wind southwest 20 km/h becoming
light in the morning. High 22. UV index 8 or very high.

City of Hamilton.
Today..Cloudy with 70 percent chance of showers and risk of a
thunderstorm. Wind west 30 km/h gusting to 70. High 22. Humidex 26.
UV index 3 or moderate.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind southwest 20 km/h gusting
to 40 becoming light late this evening. Low 11.
Sunday..Mainly sunny. High 24. UV index 8 or very high.

Burlington - Oakville.
Today..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind southwest 30 km/h gusting to 60. High 22. Humidex
25. UV index 3 or moderate.
Tonight..Partly cloudy. 30 percent chance of showers early this
evening. Wind southwest 20 km/h gusting to 40. Low 12.
Sunday..Mainly sunny. High 17. UV index 8 or very high.

Halton Hills - Milton.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 60. High 23. Humidex
26. UV index 8 or very high.
Tonight..Partly cloudy. 30 percent chance of showers early this
evening. Wind west 20 km/h becoming light this evening. Low 12.
Sunday..Sunny. Becoming a mix of sun and cloud late in the morning.
High 24. UV index 8 or very high.

Mississauga - Brampton.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind southwest 30 km/h gusting to 60. High 23. Humidex
26. UV index 3 or moderate.
Tonight..Partly cloudy. 30 percent chance of showers early this
evening. Wind southwest 20 km/h becoming light this evening. Low 12. Sunday..Mainly sunny. High 24. UV index 8 or very high.

Caledon.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind southwest 30 km/h gusting to 60. High 22. Humidex
25. UV index 8 or very high.
Tonight..Partly cloudy. 30 percent chance of showers early this
evening. Wind west 20 km/h becoming light this evening. Low 11.
Sunday..Mainly sunny. Increasing cloudiness in the afternoon. Wind
becoming southeast 20 km/h late in the afternoon. High 23. UV
index 8 or very high.

Vaughan - Richmond Hill - Markham.
Today..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind southwest 30 km/h gusting to 50. High 23. Humidex
26. UV index 3 or moderate.
Tonight..Partly cloudy. 30 percent chance of showers early this
evening. Wind west 20 km/h becoming light this evening. Low 11.
Sunday..Mainly sunny. High 25. UV index 8 or very high.

Newmarket - Georgina - Northern York Region.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind southwest 30 km/h gusting to 50. High 23. Humidex
25. UV index 8 or very high.
Tonight..Partly cloudy. 30 percent chance of showers early this
evening. Wind west 20 km/h becoming light early this evening.
Low 10.
Sunday..Mainly sunny. High 24. UV index 8 or very high.

Pickering - Oshawa - Southern Durham Region.
Today..Mainly cloudy. 40 percent chance of showers this afternoon
with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40.
High 20. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Low 11.
Sunday..Mainly sunny. High 22. UV index 8 or very high.

Uxbridge - Beaverton - Northern Durham Region.
Today..Cloudy. 40 percent chance of showers this afternoon with risk
of a thunderstorm. Wind southwest 30 km/h gusting to 50. High 21. UV
index 6 or high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind west 20 km/h becoming
light early this evening. Low 10.
Sunday..Mainly sunny. High 24. UV index 8 or very high.

Goderich - Bluewater - Southern Huron County.
Today..Cloudy. 70 percent chance of showers early this afternoon then
30 percent chance of showers this afternoon. Clearing this
afternoon. Risk of a thunderstorm. Wind south 30 km/h gusting to 50.
High 23. Humidex 28. UV index 3 or moderate.
Tonight..Clear. Wind south 30 km/h becoming light late this evening.
Low 10.
Sunday..Increasing cloudiness early in the morning. 30 percent chance
of showers late in the afternoon. Wind becoming northwest 20 km/h
early in the afternoon. High 24. Humidex 27. UV index 8 or very
high.

Wingham - Blyth - Northern Huron County.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm near noon. Wind southwest 30 km/h gusting to 50.
High 22. Humidex 27. UV index 6 or high.
Tonight..Partly cloudy with 30 percent chance of showers early this
evening. Otherwise clear. Wind west 20 km/h becoming light early
this evening. Low 10.
Sunday..Increasing cloudiness. 30 percent chance of showers late in
the afternoon with risk of a thunderstorm. Wind becoming southeast
20 km/h in the afternoon. High 22. Humidex 26. UV index 8 or very
high.

Stratford - Mitchell - Southern Perth County.
Today..Mainly cloudy. 70 percent chance of showers early this
afternoon then 30 percent chance of showers this afternoon. Risk of
a thunderstorm. Wind west 30 km/h gusting to 70. High 23. Humidex
28. UV index 6 or high.
Tonight..Clearing this evening. Wind southwest 20 km/h becoming light
after midnight. Low 11.
Sunday..A mix of sun and cloud. 30 percent chance of showers late in
the afternoon. Wind becoming south 20 km/h in the afternoon.
High 24. Humidex 27. UV index 8 or very high.

Listowel - Milverton - Northern Perth County.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm near noon. Wind southwest 30 km/h gusting to 60.
High 22. Humidex 27. UV index 6 or high.
Tonight..Partly cloudy with 30 percent chance of showers early this
evening. Otherwise clear. Wind west 20 km/h becoming light this
evening. Low 10.
Sunday..Sunny early in the morning then a mix of sun and cloud with
30 percent chance of showers late in the afternoon. Risk of a
thunderstorm late in the afternoon. Wind becoming south 20 km/h late
in the afternoon. High 22. Humidex 26. UV index 8 or very high.

Kitchener - Cambridge - Region of Waterloo.
Today..A mix of sun and cloud. 70 percent chance of showers changing
to 30 percent chance of showers this afternoon. Risk of a
thunderstorm. Wind southwest 30 km/h gusting to 50. High 22. Humidex
25. UV index 8 or very high.
Tonight..Partly cloudy. Becoming clear this evening. Wind southwest
20 km/h becoming light after midnight. Low 10.
Sunday..Mainly sunny. Wind becoming south 20 km/h late in the
afternoon. High 24. UV index 8 or very high.

Guelph - Erin - Southern Wellington County.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind southwest 30 km/h gusting to 60. High 21. UV
index 3 or moderate.
Tonight..Partly cloudy. 30 percent chance of showers early this
evening. Wind southwest 20 km/h becoming light this evening. Low 10. Sunday..Mainly sunny. Increasing cloudiness in the afternoon.
High 23. UV index 8 or very high.

Mount Forest - Arthur - Northern Wellington County.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind southwest 30 km/h gusting to 60. High 21. UV
index 3 or moderate.
Tonight..Partly cloudy with 30 percent chance of showers early this
evening then clear. Wind west 20 km/h gusting to 40 becoming light
early this evening. Low 9.
Sunday..A mix of sun and cloud. Becoming cloudy in the afternoon.
Wind becoming southeast 20 km/h late in the afternoon. High 22. UV
index 8 or very high.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind southwest 30 km/h gusting to 60. High 20. UV
index 3 or moderate.
Tonight..Partly cloudy. 30 percent chance of showers early this
evening. Wind west 20 km/h becoming light this evening. Low 9.
Sunday..Mainly sunny. Increasing cloudiness early in the afternoon.
Wind becoming east 20 km/h late in the afternoon. High 22. UV
index 8 or very high.

Shelburne - Mansfield - Northern Dufferin County.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind southwest 20 km/h gusting to 60. High 20. UV
index 7 or high.
Tonight..Partly cloudy with 30 percent chance of showers early this
evening then clear. Wind west 20 km/h gusting to 40 becoming light
this evening. Low 9.
Sunday..Sunny. Becoming a mix of sun and cloud in the morning.
High 22. UV index 8 or very high.

Innisfil - New Tecumseth - Angus.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind southwest 30 km/h gusting to 50. High 22. Humidex
26. UV index 3 or moderate.
Tonight..Partly cloudy. 30 percent chance of showers early this
evening. Wind west 20 km/h becoming light this evening. Low 8.
Sunday..Mainly sunny. High 24. UV index 8 or very high.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..A mix of sun and cloud with 40 percent chance of showers. Risk
of a thunderstorm near noon. Wind south 20 km/h gusting to 40.
High 20. UV index 6 or high.
Tonight..Partly cloudy. 30 percent chance of showers early this
evening. Wind southwest 30 km/h becoming light late this evening.
Low 8.
Sunday..A mix of sun and cloud. Becoming cloudy in the afternoon with
30 percent chance of showers late in the afternoon. Risk of a
thunderstorm late in the afternoon. Wind becoming east 20 km/h near
noon. High 20. UV index 8 or very high.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm near noon. Wind southwest 20 km/h gusting to 40.
Temperature steady near 15. UV index 3 or moderate.
Tonight..Partly cloudy with 30 percent chance of showers early this
evening then clear. Wind southwest 30 km/h becoming light this
evening. Low 7.
Sunday..Increasing cloudiness in the morning. Wind becoming northeast
20 km/h near noon. High 12. UV index 7 or high.

Hanover - Dundalk - Southern Grey County.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind southwest 30 km/h gusting to 60. High 21. Humidex
25. UV index 6 or high.
Tonight..Partly cloudy with 30 percent chance of showers early this
evening then clear. Wind west 30 km/h gusting to 50 becoming light
early this evening. Low 8.
Sunday..Increasing cloudiness. Wind becoming northeast 20 km/h in the
afternoon. High 22. UV index 8 or very high.

Owen Sound - Blue Mountains - Northern Grey County.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm near noon. Wind southwest 30 km/h gusting to 50.
High 21. UV index 3 or moderate.
Tonight..Partly cloudy with 30 percent chance of showers early this
evening then clear. Wind southwest 20 km/h becoming light this
evening. Low 8.
Sunday..Increasing cloudiness near noon. Wind becoming east 20 km/h
late in the afternoon. High 19. UV index 8 or very high.

Barrie - Collingwood - Hillsdale.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h gusting to 40 becoming west 20
gusting to 40 this afternoon. High 22. UV index 7 or high.
Tonight..Partly cloudy. 30 percent chance of showers early this
evening. Wind west 20 km/h gusting to 40 becoming light early this
evening. Low 8.
Sunday..Sunny. Becoming a mix of sun and cloud near noon. High 20. UV
index 8 or very high.

Midland - Coldwater - Orr Lake.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h gusting to 40 becoming west 30
gusting to 50 this afternoon. High 19. UV index 6 or high.
Tonight..Partly cloudy with 30 percent chance of showers early this
evening then clear. Low 7.
Sunday..Sunny. Becoming a mix of sun and cloud late in the morning.
Wind becoming northwest 20 km/h late in the afternoon. High 19. UV
index 8 or very high.

Orillia - Lagoon City - Washago.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind south 20 km/h becoming west 20 late this
afternoon. High 20. UV index 7 or high.
Tonight..Partly cloudy with 30 percent chance of showers early this
evening. Becoming clear late this evening and overnight. Wind west
20 km/h becoming light early this evening. Low 8.
Sunday..Mainly sunny. High 21. UV index 8 or very high.

Cobourg - Colborne - Western Northumberland County.
Today..Cloudy. 40 percent chance of showers this afternoon with risk
of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 19. UV
index 7 or high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind southwest 30 km/h becoming
light after midnight. Low 9.
Sunday..Mainly sunny. High 20. UV index 8 or very high.

Belleville - Quinte West - Eastern Northumberland County.
Today..Cloudy. 40 percent chance of showers this afternoon with risk
of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 19. UV
index 6 or high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind southwest 30 km/h becoming
light after midnight. Low 10.
Sunday..Mainly sunny. High 20. UV index 8 or very high.

Picton - Sandbanks Park.
Today..A mix of sun and cloud. 40 percent chance of showers this
afternoon with risk of a thunderstorm. Wind southwest 20 km/h
gusting to 40. High 18. UV index 8 or very high.
Tonight..Partly cloudy. 30 percent chance of showers this evening.
Risk of a thunderstorm early this evening. Wind southwest 30 km/h
becoming light after midnight. Low 10.
Sunday..Mainly sunny. High 19. UV index 8 or very high.

Napanee - Consecon.
Today..Cloudy. 40 percent chance of showers this afternoon with risk
of a thunderstorm. Wind southwest 20 km/h gusting to 40. High 19. UV
index 6 or high.
Tonight..Partly cloudy. 30 percent chance of showers this evening.
Risk of a thunderstorm early this evening. Wind southwest 30 km/h
becoming light after midnight. Low 10.
Sunday..Mainly sunny. High 20. UV index 8 or very high.

Kingston - Odessa - Frontenac Islands.
Today..Mainly cloudy. 40 percent chance of showers this afternoon
with risk of a thunderstorm. High 19. UV index 7 or high.
Tonight..Partly cloudy. 30 percent chance of showers this evening.
Risk of a thunderstorm early this evening. Wind southwest 20 km/h
becoming light near midnight. Low 11.
Sunday..Clearing in the morning. High 19. UV index 8 or very high.

Lindsay - Southern Kawartha Lakes.
Today..Cloudy. 40 percent chance of showers this afternoon with risk
of a thunderstorm. Wind west 30 km/h gusting to 50. High 21. UV
index 7 or high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Clearing overnight. Wind west
20 km/h becoming light this evening. Low 9.
Sunday..Sunny. High 23. UV index 8 or very high.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Today..Cloudy. 40 percent chance of showers. Wind southwest 20 km/h
gusting to 40. High 20. UV index 6 or high.
Tonight..Partly cloudy. 30 percent chance of showers early this
evening. Clearing near midnight. Wind southwest 30 km/h becoming
light late this evening. Low 8.
Sunday..Sunny. High 22. UV index 8 or very high.

Peterborough City - Lakefield - Southern Peterborough County.
Today..Mainly cloudy. 40 percent chance of showers this afternoon
with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40.
High 20. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind southwest 20 km/h gusting
to 40 becoming light early this evening. Low 9.
Sunday..Sunny. High 23. UV index 8 or very high.

Apsley - Woodview - Northern Peterborough County.
Today..Cloudy. 40 percent chance of showers. Wind south 20 km/h
gusting to 40. High 21. UV index 7 or high.
Tonight..Mainly cloudy with 30 percent chance of showers early this
evening. Clearing this evening. Wind west 20 km/h gusting to 40
becoming light this evening. Low 8.
Sunday..Sunny. Wind becoming west 20 km/h gusting to 40 then light
early in the afternoon. High 22. UV index 8 or very high.

Stirling - Tweed - Madoc.
Today..Becoming cloudy near noon with 40 percent chance of showers
this afternoon. Risk of a thunderstorm this afternoon. Wind
southwest 30 km/h gusting to 50. High 21. UV index 8 or very high. Tonight..Partly cloudy with 30 percent chance of showers this
evening. Clearing overnight. Risk of a thunderstorm early this
evening. Wind southwest 30 km/h gusting to 50 becoming light early
this evening. Low 10.
Sunday..Sunny. Wind becoming southwest 20 km/h gusting to 40 late in
the morning then light in the afternoon. High 24. UV index 8 or very
high.

Tamworth - Sydenham - South Frontenac.
Today..Becoming cloudy this afternoon with 40 percent chance of
showers later this afternoon. Risk of a thunderstorm this afternoon.
Wind southwest 30 km/h gusting to 60. High 21. UV index 8 or very
high.
Tonight..Partly cloudy. 30 percent chance of showers this evening.
Risk of a thunderstorm early this evening. Wind southwest 30 km/h
gusting to 60 becoming light late this evening. Low 10.
Sunday..Mainly sunny. Wind becoming west 20 km/h near noon. High 24.
UV index 8 or very high.

Kaladar - Bannockburn - Bon Echo Park.
Today..Becoming cloudy this afternoon with 40 percent chance of
showers later this afternoon. Wind southwest 30 km/h gusting to 50.
High 21. UV index 8 or very high.
Tonight..Mainly cloudy with 30 percent chance of showers early this
evening. Clearing this evening. Wind southwest 30 km/h gusting to 50
becoming light this evening. Low 7.
Sunday..Sunny. Wind north 20 km/h becoming west 20 near noon.
High 23. UV index 8 or very high.

Bancroft - Hastings Highlands - Denbigh.
Today..Cloudy. 40 percent chance of showers this afternoon. Wind
southwest 30 km/h gusting to 50. High 20. UV index 7 or high.
Tonight..Mainly cloudy with 30 percent chance of showers early this
evening. Clearing this evening. Wind southwest 30 km/h gusting to 50
becoming light this evening. Low 6.
Sunday..Sunny. Becoming a mix of sun and cloud in the afternoon. Wind
becoming northwest 20 km/h gusting to 40 then light early in the
afternoon. High 22. UV index 8 or very high.

Gananoque - Mallorytown.
Today..Increasing cloudiness near noon. 30 percent chance of showers
late this afternoon. Wind southwest 30 km/h gusting to 50. High 20.
UV index 8 or very high.
Tonight..Partly cloudy. 30 percent chance of showers this evening.
Wind southwest 30 km/h gusting to 50 becoming light late this
evening. Low 11.
Sunday..Mainly sunny. Wind becoming southwest 20 km/h late in the
morning. High 24. UV index 8 or very high.

Brockville - Prescott.
Today..Mainly cloudy. 30 percent chance of showers late this
afternoon. Wind southwest 30 km/h gusting to 60. High 20. UV index 8
or very high.
Tonight..Partly cloudy with 30 percent chance of showers this
evening. Clearing overnight. Wind southwest 30 km/h gusting to 60
becoming light this evening. Low 11.
Sunday..Mainly sunny. Wind becoming northwest 20 km/h gusting to 40
near noon then light in the afternoon. High 22. UV index 8 or very
high.

Westport - Charleston Lake.
Today..Becoming cloudy this afternoon with 30 percent chance of
showers late this afternoon. Wind southwest 30 km/h gusting to 60.
High 20. UV index 8 or very high.
Tonight..Partly cloudy with 30 percent chance of showers this
evening. Becoming clear overnight. Wind southwest 30 km/h gusting to
60 becoming light late this evening. Low 11.
Sunday..Mainly sunny. Wind becoming northwest 20 km/h near noon.
High 24. UV index 8 or very high.

Merrickville-Wolford - Kemptville.
Today..Becoming cloudy this afternoon with 30 percent chance of
showers late this afternoon. Wind southwest 30 km/h gusting to 50.
High 20. UV index 8 or very high.
Tonight..Partly cloudy with 30 percent chance of showers this
evening. Becoming clear overnight. Wind southwest 30 km/h gusting to
50 becoming light late this evening. Low 11.
Sunday..Sunny. Becoming a mix of sun and cloud in the afternoon. Wind
becoming northwest 20 km/h gusting to 40 in the morning then light
late in the afternoon. High 22. UV index 8 or very high.

Ottawa North - Kanata - Orléans.
Today..Mainly cloudy. 30 percent chance of showers late this
afternoon. Wind southwest 20 km/h gusting to 40. High 22. UV index 7
or high.
Tonight..Partly cloudy. 30 percent chance of showers this evening.
Wind southwest 20 km/h gusting to 40 becoming light early this
evening. Low 11.
Sunday..Mainly sunny. Wind northwest 20 km/h gusting to 40 becoming
light in the afternoon. High 21. UV index 7 or high.

Ottawa South - Richmond - Metcalfe.
Today..Becoming cloudy this afternoon with 30 percent chance of
showers late this afternoon. Wind southwest 20 km/h gusting to 40.
High 21. UV index 8 or very high.
Tonight..Partly cloudy. 30 percent chance of showers this evening.
Wind southwest 20 km/h gusting to 40 becoming light early this
evening. Low 12.
Sunday..Mainly sunny. Wind northwest 20 km/h gusting to 40 becoming
light in the afternoon. High 21. UV index 7 or high.

Gatineau.
Today..Cloudy. 30 percent chance of showers late this afternoon.
High 22. UV index 6 or high.
Tonight..Mainly cloudy with 30 percent chance of showers this
evening. Clearing overnight. Low 11.
Sunday..A mix of sun and cloud. Becoming sunny in the morning.
High 21. UV index 7 or high.

Prescott and Russell.
Today..Becoming cloudy this afternoon with 30 percent chance of
showers late this afternoon. Wind southwest 30 km/h gusting to 50.
High 21. UV index 8 or very high.
Tonight..Partly cloudy. 30 percent chance of showers this evening.
Low 11.
Sunday..Mainly sunny. Wind becoming northwest 20 km/h gusting to 40
in the morning then light in the afternoon. High 21. UV index 7 or
high.

Morrisburg - Long Sault.
Today..Becoming cloudy this afternoon with 30 percent chance of
showers late this afternoon. Wind southwest 30 km/h gusting to 50.
High 20. UV index 8 or very high.
Tonight..Partly cloudy with 30 percent chance of showers this
evening. Clearing overnight. Wind southwest 30 km/h gusting to 50
becoming light near midnight. Low 11.
Sunday..Mainly sunny. Wind becoming west 20 km/h in the morning.
High 22. UV index 7 or high.

Cornwall - Lancaster.
Today..A mix of sun and cloud. 30 percent chance of showers late this
afternoon. Wind southwest 30 km/h gusting to 50. High 22. UV index 8
or very high.
Tonight..Partly cloudy with 30 percent chance of showers this
evening. Clearing overnight. Wind southwest 20 km/h gusting to 40
becoming light overnight. Low 11.
Sunday..Mainly sunny. Wind becoming west 20 km/h gusting to 40 in the
morning then light late in the afternoon. High 22. UV index 7 or
high.

Winchester - Newington.
Today..Becoming cloudy this afternoon with 30 percent chance of
showers late this afternoon. Wind southwest 30 km/h gusting to 50.
High 20. UV index 8 or very high.
Tonight..Partly cloudy with 30 percent chance of showers this
evening. Becoming clear overnight. Wind southwest 20 km/h gusting to
40 becoming light early this evening. Low 11.
Sunday..Mainly sunny. Wind becoming northwest 20 km/h gusting to 40
in the morning then light late in the afternoon. High 22. UV index 7
or high.

Continued in next message...

--- up 1 day, 3 hours, 27 minutes
* Origin: Northern Realms (618:400/23)

FPCN11 CWTO 161930
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 3:30 p.m. EDT Saturday 16 May 2026 for
tonight Sunday and Sunday night.
The next scheduled forecast will be issued at 5:00 a.m. EDT Sunday.

City of Toronto.
Tonight..Partly cloudy. 40 percent chance of showers this evening.
Risk of a thunderstorm early this evening. Wind southwest 20 km/h
gusting to 60 becoming light this evening. Low 14.
Sunday..Increasing cloudiness. High 26. Humidex 27. UV index 7 or
high.
Sunday night..Cloudy with 60 percent chance of showers. Low 14.

Windsor - Leamington - Essex County.
Tonight..A few clouds. Wind west 20 km/h gusting to 40 becoming light
this evening. Low 16.
Sunday..Mainly cloudy. 30 percent chance of showers late in the
afternoon with risk of a thunderstorm. Wind becoming west 20 km/h
gusting to 40 then south 30 late in the morning. High 27. Humidex
34. UV index 8 or very high.
Sunday night..Partly cloudy with 30 percent chance of showers early
in the evening and risk of a thunderstorm. Clearing in the evening.
Wind east 30 km/h becoming light in the evening. Wind becoming south
20 before morning. Low 17.

Chatham-Kent - Rondeau Park.
Tonight..A few clouds. Wind southwest 20 km/h gusting to 40 becoming
light this evening. Low 12.
Sunday..Mainly cloudy. 30 percent chance of showers late in the
afternoon with risk of a thunderstorm. Wind becoming southwest
20 km/h gusting to 40 in the morning. High 26. Humidex 33. UV
index 8 or very high.
Sunday night..Partly cloudy with 30 percent chance of showers early
in the evening and risk of a thunderstorm. Clearing in the evening.
Low 15.

Sarnia - Petrolia - Western Lambton County.
Tonight..Clear. Wind west 30 km/h becoming light this evening.
Low 11.
Sunday..Mainly cloudy. 30 percent chance of showers late in the
afternoon with risk of a thunderstorm. High 23. Humidex 25. UV
index 8 or very high.
Sunday night..Cloudy with 30 percent chance of showers early in the
evening and risk of a thunderstorm. Clearing in the evening. Wind
becoming south 20 km/h before morning. Low 15 with temperature
rising to 18 by morning.

Watford - Pinery Park - Eastern Lambton County.
Tonight..Cloudy. Becoming partly cloudy this evening. Wind southwest
40 km/h gusting to 70 diminishing to 20 gusting to 40 early this
evening then becoming light this evening. Low 11.
Sunday..Mainly cloudy. 30 percent chance of showers late in the
afternoon with risk of a thunderstorm. Wind becoming southwest
20 km/h late in the morning. High 26. Humidex 32. UV index 7 or
high.
Sunday night..Mainly cloudy. 30 percent chance of showers early in
the evening with risk of a thunderstorm. Low 17.

Rodney - Shedden - Western Elgin County.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening. Wind west 20 km/h gusting to 40 becoming light this
evening. Low 10.
Sunday..Mainly cloudy. 40 percent chance of showers late in the
afternoon with risk of a thunderstorm. Wind becoming southwest
20 km/h gusting to 40 late in the morning. High 26. Humidex 31. UV
index 8 or very high.
Sunday night..Partly cloudy. 40 percent chance of showers in the
evening with risk of a thunderstorm. Clearing overnight. Wind
becoming south 20 km/h before morning. Low 14.

St. Thomas - Aylmer - Eastern Elgin County.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening. Wind southwest 20 km/h becoming light early this evening.
Low 10.
Sunday..Mainly cloudy. 40 percent chance of showers late in the
afternoon with risk of a thunderstorm. Wind becoming south 20 km/h
late in the morning. High 26. Humidex 31. UV index 8 or very high.
Sunday night..Partly cloudy. 40 percent chance of showers in the
evening with risk of a thunderstorm. Clearing overnight. Low 14.

Strathroy - Komoka - Western Middlesex County.
Tonight..Partly cloudy with 40 percent chance of showers early this
evening. Otherwise clear. Wind southwest 20 km/h becoming light this
evening. Low 9.
Sunday..Mainly cloudy. 40 percent chance of showers late in the
afternoon with risk of a thunderstorm. Wind becoming southwest
20 km/h late in the morning. High 27. Humidex 33. UV index 7 or
high.
Sunday night..Mainly cloudy with 40 percent chance of showers in the
evening and risk of a thunderstorm. Clearing late in the evening.
Wind southwest 20 km/h. Low 15.

London - Parkhill - Eastern Middlesex County.
Tonight..Partly cloudy with 40 percent chance of showers early this
evening. Otherwise clear. Wind southwest 20 km/h gusting to 40
becoming light this evening. Low 11.
Sunday..A mix of sun and cloud. 40 percent chance of showers late in
the afternoon with risk of a thunderstorm. Wind becoming southwest
20 km/h late in the morning. High 26. Humidex 31. UV index 7 or
high.
Sunday night..Partly cloudy. 40 percent chance of showers in the
evening with risk of a thunderstorm. Clearing before morning.
Low 15.

Simcoe - Delhi - Norfolk.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind southwest 40 km/h gusting
to 60 diminishing to 20 early this evening then becoming light this
evening. Low 9.
Sunday..Mainly cloudy. 40 percent chance of showers late in the
afternoon with risk of a thunderstorm. Wind becoming southwest
20 km/h late in the morning. High 27. Humidex 32. UV index 7 or
high.
Sunday night..Partly cloudy. 40 percent chance of showers in the
evening with risk of a thunderstorm. Low 12.

Dunnville - Caledonia - Haldimand.
Tonight..Partly cloudy. 60 percent chance of showers early this
evening with risk of a thunderstorm. Wind southwest 40 km/h gusting
to 60 diminishing to 20 gusting to 40 early this evening then
becoming light this evening. Low 12.
Sunday..A mix of sun and cloud. 30 percent chance of showers late in
the afternoon. Wind becoming south 20 km/h late in the morning.
High 28. Humidex 36. UV index 7 or high.
Sunday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening and after midnight. Low 14.

Woodstock - Tillsonburg - Oxford County.
Tonight..Partly cloudy with 40 percent chance of showers early this
evening. Otherwise clear. Risk of a thunderstorm early this evening.
Wind southwest 20 km/h gusting to 40 becoming light this evening.
Low 11.
Sunday..A mix of sun and cloud. 40 percent chance of showers late in
the afternoon with risk of a thunderstorm. Wind becoming south
20 km/h late in the morning. High 28. Humidex 34. UV index 7 or
high.
Sunday night..Partly cloudy. 40 percent chance of showers in the
evening with risk of a thunderstorm. Low 14.

Brantford - County of Brant.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind southwest 20 km/h gusting
to 40 becoming light this evening. Low 11.
Sunday..Mainly cloudy. 40 percent chance of showers late in the
afternoon with risk of a thunderstorm. Wind becoming southwest
20 km/h late in the morning. High 28. Humidex 34. UV index 7 or
high.
Sunday night..Mainly cloudy. 40 percent chance of showers in the
evening with risk of a thunderstorm. Low 14.

Niagara Falls - Welland - Southern Niagara Region.
Tonight..Mainly cloudy. 60 percent chance of showers early this
evening with risk of a thunderstorm. Wind southwest 40 km/h gusting
to 60 diminishing to 20 early this evening. Low 12.
Sunday..Mainly cloudy. 30 percent chance of showers late in the
afternoon. Wind southwest 20 km/h gusting to 40. High 19. UV index 7
or high.
Sunday night..Partly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening and after midnight. Low 15.

St. Catharines - Grimsby - Northern Niagara Region.
Tonight..Partly cloudy. 60 percent chance of showers early this
evening with risk of a thunderstorm. Wind southwest 40 km/h gusting
to 80 diminishing to 20 gusting to 40 this evening then becoming
light late this evening. Low 15.
Sunday..A mix of sun and cloud. 30 percent chance of showers late in
the afternoon. Wind becoming southwest 20 km/h in the afternoon.
High 23. Humidex 27. UV index 8 or very high.
Sunday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening and after midnight. Wind northeast
20 km/h becoming light in the evening. Low 10 with temperature
rising to 15 by morning.

City of Hamilton.
Tonight..Partly cloudy. 60 percent chance of showers early this
evening with risk of a thunderstorm. Wind southwest 30 km/h gusting
to 50 becoming light this evening. Low 13.
Sunday..Mainly sunny. Increasing cloudiness in the morning then
30 percent chance of showers late in the afternoon. High 25. Humidex
29. UV index 7 or high.
Sunday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening and after midnight. Low 13.

Burlington - Oakville.
Tonight..Partly cloudy. 40 percent chance of showers this evening.
Risk of a thunderstorm early this evening. Wind southwest 30 km/h
gusting to 50 becoming light late this evening. Low 11.
Sunday..Increasing cloudiness. High 24. Humidex 26. UV index 7 or
high.
Sunday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 8.

Halton Hills - Milton.
Tonight..Partly cloudy. 40 percent chance of showers this evening.
Risk of a thunderstorm early this evening. Wind southwest 30 km/h
gusting to 50 becoming light this evening. Low 13.
Sunday..Increasing cloudiness. High 26. Humidex 28. UV index 7 or
high.
Sunday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 13.

Mississauga - Brampton.
Tonight..Partly cloudy. 40 percent chance of showers this evening.
Risk of a thunderstorm early this evening. Wind southwest 30 km/h
gusting to 50 becoming light this evening. Low 13.
Sunday..Increasing cloudiness. Wind becoming southwest 30 km/h in the
afternoon. High 25. Humidex 28. UV index 7 or high.
Sunday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 13.

Caledon.
Tonight..Partly cloudy with 40 percent chance of showers this
evening. Clearing late this evening. Risk of a thunderstorm early
this evening. Wind southwest 30 km/h gusting to 50 becoming light
this evening. Low 12.
Sunday..Increasing cloudiness. Wind becoming southwest 20 km/h in the
afternoon. High 27. Humidex 28. UV index 8 or very high.
Sunday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 14.

Vaughan - Richmond Hill - Markham.
Tonight..Partly cloudy. 40 percent chance of showers this evening.
Risk of a thunderstorm early this evening. Wind southwest 30 km/h
gusting to 50 becoming light this evening. Low 11.
Sunday..A mix of sun and cloud. Becoming cloudy late in the
afternoon. High 27. UV index 8 or very high.
Sunday night..Cloudy with 60 percent chance of showers. Low 12.

Newmarket - Georgina - Northern York Region.
Tonight..Partly cloudy with 40 percent chance of showers this
evening. Clearing near midnight. Risk of a thunderstorm early this
evening. Wind southwest 20 km/h gusting to 40 becoming light this
evening. Low 11.
Sunday..Sunny. Increasing cloudiness early in the afternoon. Wind
becoming southeast 20 km/h late in the afternoon. High 23. UV
index 8 or very high.
Sunday night..Cloudy with 60 percent chance of showers. Wind
southeast 20 km/h becoming light in the evening. Low 12.

Pickering - Oshawa - Southern Durham Region.
Tonight..Partly cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h gusting to
40 becoming light this evening. Low 12.
Sunday..A mix of sun and cloud. High 24. Humidex 25. UV index 8 or
very high.
Sunday night..Cloudy. 60 percent chance of showers. Low 12.

Uxbridge - Beaverton - Northern Durham Region.
Tonight..Partly cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 30 km/h gusting to
50 becoming light this evening. Low 11.
Sunday..Sunny. Becoming a mix of sun and cloud late in the morning.
High 25. Humidex 26. UV index 8 or very high.
Sunday night..Cloudy. 60 percent chance of showers. Low 14.

Goderich - Bluewater - Southern Huron County.
Tonight..Clear. Wind south 30 km/h becoming light this evening.
Low 10.
Sunday..Increasing cloudiness. 30 percent chance of showers late in
the afternoon with risk of a thunderstorm. High 26. Humidex 31. UV
index 7 or high.
Sunday night..Partly cloudy with 60 percent chance of showers in the
evening and after midnight. Clearing before morning. Risk of a
thunderstorm in the evening. Wind becoming southeast 20 km/h after
midnight. Low 18.

Wingham - Blyth - Northern Huron County.
Tonight..Clear. Wind southwest 20 km/h gusting to 40 becoming
northwest 20 this evening then light late this evening. Low 9.
Sunday..Sunny. Increasing cloudiness in the morning then 30 percent
chance of showers late in the afternoon. Risk of a thunderstorm late
in the afternoon. High 26. Humidex 28. UV index 6 or high.
Sunday night..Partly cloudy. 60 percent chance of showers in the
evening and after midnight. Risk of a thunderstorm in the evening.
Wind becoming south 20 km/h before morning. Low 15 with temperature
rising to 18 by morning.

Stratford - Mitchell - Southern Perth County.
Tonight..Clearing early this evening. Wind southwest 20 km/h gusting
to 40 becoming light this evening. Low 9.
Sunday..Increasing cloudiness. 30 percent chance of showers late in
the afternoon with risk of a thunderstorm. High 27. Humidex 32. UV
index 7 or high.
Sunday night..Partly cloudy. 60 percent chance of showers in the
evening and after midnight. Risk of a thunderstorm in the evening.
Low 16.

Listowel - Milverton - Northern Perth County.
Tonight..Clear. Wind southwest 30 km/h gusting to 50 becoming light
this evening. Low 9.
Sunday..Sunny. Increasing cloudiness in the morning then 30 percent
chance of showers late in the afternoon. Risk of a thunderstorm late
in the afternoon. High 27. Humidex 32. UV index 7 or high.
Sunday night..Partly cloudy with 60 percent chance of showers in the
evening and after midnight. Clearing before morning. Risk of a
thunderstorm in the evening. Low 16.

Kitchener - Cambridge - Region of Waterloo.
Tonight..Clearing early this evening. Wind southwest 20 km/h gusting
to 40 becoming light this evening. Low 9.
Sunday..Sunny. Increasing cloudiness in the morning then 30 percent
chance of showers late in the afternoon. Wind becoming south 30 km/h
gusting to 50 in the afternoon. High 27. Humidex 30. UV index 7 or
high.
Sunday night..Mainly cloudy with 60 percent chance of showers and
risk of a thunderstorm. Low 13.

Guelph - Erin - Southern Wellington County.
Tonight..Partly cloudy. 40 percent chance of showers this evening.
Risk of a thunderstorm early this evening. Wind southwest 30 km/h
gusting to 50 becoming light this evening. Low 9.
Sunday..Increasing cloudiness. High 27. Humidex 30. UV index 7 or
high.
Sunday night..Mainly cloudy with 60 percent chance of showers and
risk of a thunderstorm. Low 13.

Mount Forest - Arthur - Northern Wellington County.
Tonight..Clearing early this evening. Wind west 20 km/h gusting to 40
becoming light this evening. Low 10.
Sunday..Sunny. Increasing cloudiness in the morning then 30 percent
chance of showers late in the afternoon. High 24. UV index 6 or
high.
Sunday night..Mainly cloudy with 60 percent chance of showers and
risk of a thunderstorm. Clearing before morning. Wind becoming
southeast 20 km/h near midnight. Low 14.

Orangeville - Grand Valley - Southern Dufferin County.
Tonight..Partly cloudy. Clearing this evening. Wind southwest 30 km/h
gusting to 50 becoming light this evening. Low 11.
Sunday..Sunny. Increasing cloudiness near noon then 30 percent chance
of showers late in the afternoon. High 24. Humidex 25. UV index 8 or
very high.
Sunday night..Mainly cloudy with 60 percent chance of showers and
risk of a thunderstorm. Low 15.

Shelburne - Mansfield - Northern Dufferin County.
Tonight..Partly cloudy. Clearing this evening. Wind west 30 km/h
gusting to 50 becoming light this evening. Low 11.
Sunday..Sunny. Increasing cloudiness in the morning then 30 percent
chance of showers late in the afternoon. Wind becoming south 20 km/h
in the afternoon. High 22. UV index 7 or high.
Sunday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Low 15.

Innisfil - New Tecumseth - Angus.
Tonight..Partly cloudy with 40 percent chance of showers this
evening. Clearing late this evening. Risk of a thunderstorm early
this evening. Wind west 30 km/h gusting to 50 becoming light this
evening. Low 9.
Sunday..Sunny. Becoming a mix of sun and cloud late in the morning.
High 23. Humidex 25. UV index 8 or very high.
Sunday night..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind east 20 km/h becoming light near midnight. Low 13
with temperature rising to 16 by morning.

Saugeen Shores - Kincardine - Southern Bruce County.
Tonight..Clear. Wind southwest 30 km/h gusting to 50 becoming light
this evening. Low 8.
Sunday..Mainly sunny. Increasing cloudiness in the morning then
30 percent chance of showers late in the afternoon. Risk of a
thunderstorm late in the afternoon. Wind becoming northeast 30 km/h
late in the afternoon. High 22. UV index 7 or high.
Sunday night..Mainly cloudy with 60 percent chance of showers in the
evening and after midnight. Clearing before morning. Risk of a
thunderstorm in the evening. Wind northeast 30 km/h becoming light
in the evening. Wind becoming south 20 gusting to 40 before morning.
Low 14 with temperature rising to 20 by morning.

Bruce Peninsula - Sauble Beach - Tobermory.
Tonight..Partly cloudy. Becoming clear this evening. Wind southwest
20 km/h gusting to 40 becoming light early this evening. Low 6.
Sunday..Sunny. Increasing cloudiness near noon. Wind northeast
20 km/h becoming light in the afternoon. High 19. UV index 7 or
high.
Sunday night..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm in the evening and after midnight. Wind becoming south
20 km/h gusting to 40 before morning. Temperature steady near 10.

Hanover - Dundalk - Southern Grey County.
Tonight..Partly cloudy. Clearing this evening. Wind west 30 km/h
gusting to 50 becoming light this evening. Low 9.
Sunday..Sunny. Increasing cloudiness in the morning then 30 percent
chance of showers late in the afternoon. High 24. UV index 7 or
high.
Sunday night..Mainly cloudy with 60 percent chance of showers and
risk of a thunderstorm. Wind becoming south 20 km/h before morning.
Low 14 with temperature rising to 18 by morning.

Owen Sound - Blue Mountains - Northern Grey County.
Tonight..Partly cloudy. Clearing this evening. Wind southwest 30 km/h
gusting to 50 becoming light this evening. Low 6.
Sunday..Sunny. Increasing cloudiness near noon. High 19. UV index 8
or very high.
Sunday night..Mainly cloudy with 60 percent chance of showers. Risk
of a thunderstorm in the evening and after midnight. Wind becoming
east 20 km/h near midnight. Low 14.

Barrie - Collingwood - Hillsdale.
Tonight..Partly cloudy with 40 percent chance of showers this
evening. Clearing late this evening. Risk of a thunderstorm early
this evening. Wind west 30 km/h gusting to 50 becoming light this
evening. Low 8.
Sunday..Sunny. Becoming a mix of sun and cloud in the afternoon.
High 24. UV index 8 or very high.
Sunday night..Cloudy. 60 percent chance of showers late in the
evening and overnight. Risk of a thunderstorm overnight. Low 13.

Midland - Coldwater - Orr Lake.
Tonight..Partly cloudy with 40 percent chance of showers this
evening. Clearing late this evening. Risk of a thunderstorm early
this evening. Wind west 20 km/h gusting to 40 becoming north 20 this
evening then light late this evening. Low 8.
Sunday..Mainly sunny. Increasing cloudiness early in the afternoon.
High 19. UV index 8 or very high.
Sunday night..Cloudy. 60 percent chance of showers late in the
evening and overnight. Risk of a thunderstorm overnight. Wind
becoming southeast 20 km/h before morning. Low 13.

Orillia - Lagoon City - Washago.
Tonight..Mainly cloudy with 40 percent chance of showers this
evening. Clearing late this evening. Risk of a thunderstorm early
this evening. Wind southwest 30 km/h becoming light early this
evening. Low 8.
Sunday..Sunny. Becoming a mix of sun and cloud in the afternoon.
High 19. UV index 8 or very high.
Sunday night..Cloudy. 60 percent chance of showers late in the
evening and overnight. Low 13.

Cobourg - Colborne - Western Northumberland County.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h gusting to
40 becoming light late this evening. Low 12.
Sunday..Mainly sunny. High 24. Humidex 27. UV index 8 or very high.
Sunday night..Cloudy. 60 percent chance of showers. Low 13.

Belleville - Quinte West - Eastern Northumberland County.
Tonight..Mainly cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 20 km/h gusting to
40 becoming light late this evening. Low 12.
Sunday..Mainly sunny. High 24. Humidex 27. UV index 8 or very high.
Sunday night..Cloudy. 60 percent chance of showers. Low 13.

Picton - Sandbanks Park.
Tonight..Mainly cloudy. 40 percent chance of showers this evening.
Risk of a thunderstorm early this evening. Wind southwest 20 km/h
gusting to 40 becoming light late this evening. Low 12.
Sunday..Mainly sunny. High 24. Humidex 27. UV index 8 or very high.
Sunday night..Becoming cloudy in the evening. 40 percent chance of
showers late in the evening and overnight. Low 13.

Napanee - Consecon.
Tonight..Mainly cloudy. 40 percent chance of showers this evening.
Risk of a thunderstorm early this evening. Wind southwest 20 km/h
gusting to 40 becoming light late this evening. Low 12.
Sunday..Mainly sunny. High 24. Humidex 27. UV index 8 or very high.
Sunday night..Becoming cloudy in the evening. 40 percent chance of
showers late in the evening and overnight. Low 13.

Kingston - Odessa - Frontenac Islands.
Tonight..Cloudy with 40 percent chance of showers this evening then
partly cloudy. Risk of a thunderstorm early this evening.
Temperature steady near 12.
Sunday..A mix of sun and cloud. High 17 with temperature falling
to 14 in the afternoon. UV index 8 or very high.
Sunday night..Becoming cloudy late in the evening with 40 percent
chance of showers late in the evening and overnight. Temperature
steady near 13.

Lindsay - Southern Kawartha Lakes.
Tonight..Partly cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 30 km/h gusting to
50 becoming light this evening. Low 10.
Sunday..Sunny. Becoming a mix of sun and cloud in the afternoon.
High 26. UV index 8 or very high.
Sunday night..Cloudy. 60 percent chance of showers. Low 14.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Tonight..Mainly cloudy with 40 percent chance of showers this
evening. Clearing near midnight. Wind southwest 20 km/h gusting to
40 becoming light this evening. Low 10.
Sunday..Sunny. Becoming a mix of sun and cloud in the afternoon.
High 25. UV index 8 or very high.
Sunday night..Cloudy with 60 percent chance of showers. Wind becoming
southeast 20 km/h after midnight. Low 14.

Peterborough City - Lakefield - Southern Peterborough County.
Tonight..Partly cloudy with 40 percent chance of showers. Risk of a
thunderstorm early this evening. Wind southwest 30 km/h gusting to
50 becoming light late this evening. Low 10.
Sunday..Sunny. Becoming a mix of sun and cloud in the afternoon.
High 26. UV index 8 or very high.
Sunday night..Cloudy. 60 percent chance of showers. Low 13.

Apsley - Woodview - Northern Peterborough County.
Tonight..Mainly cloudy with 40 percent chance of showers this
evening. Clearing near midnight. Wind southwest 30 km/h gusting to
60 becoming light this evening. Low 10.
Sunday..Sunny. Becoming a mix of sun and cloud in the afternoon. Wind
becoming west 20 km/h gusting to 40 late in the morning. High 25. UV
index 8 or very high.
Sunday night..Cloudy with 60 percent chance of showers. Wind becoming
southeast 20 km/h near midnight. Low 13.

Stirling - Tweed - Madoc.
Tonight..Mainly cloudy with 40 percent chance of showers this
evening. Clearing overnight. Risk of a thunderstorm early this
evening. Wind southwest 30 km/h gusting to 50 becoming light late
this evening. Low 11.
Sunday..Sunny. Becoming a mix of sun and cloud late in the afternoon.
Wind becoming west 20 km/h late in the morning. High 27. UV index 8
or very high.
Sunday night..Becoming cloudy late in the evening with 40 percent
chance of showers late in the evening and overnight. Low 13.

Tamworth - Sydenham - South Frontenac.
Tonight..Mainly cloudy with 40 percent chance of showers this
evening. Clearing overnight. Risk of a thunderstorm early this
evening. Wind southwest 20 km/h gusting to 40 becoming light late
this evening. Low 11.
Sunday..A mix of sun and cloud. Becoming sunny in the morning.
High 27. UV index 8 or very high.
Sunday night..Increasing cloudiness early in the evening. 40 percent
chance of showers late in the evening and overnight. Low 13.

Kaladar - Bannockburn - Bon Echo Park.
Tonight..Mainly cloudy. 40 percent chance of showers early this
evening. Clearing overnight. Wind southwest 30 km/h gusting to 60
becoming light late this evening. Low 11.
Sunday..Sunny. Becoming a mix of sun and cloud late in the afternoon.
Wind becoming west 20 km/h late in the morning. High 24. UV index 8
or very high.
Sunday night..Partly cloudy. Becoming cloudy near midnight.
40 percent chance of showers before morning. Low 13.

Bancroft - Hastings Highlands - Denbigh.
Tonight..Mainly cloudy with 40 percent chance of showers early this
evening. Clearing this evening. Wind southwest 30 km/h gusting to 60
becoming light this evening. Low plus 5.
Sunday..Sunny. Becoming a mix of sun and cloud in the afternoon. Wind
becoming northwest 20 km/h late in the morning. High 21. UV index 8
or very high.
Sunday night..Mainly cloudy. 40 percent chance of showers before
morning. Low 12.

Gananoque - Mallorytown.
Tonight..Mainly cloudy. 40 percent chance of showers this evening.
Clearing overnight. Wind southwest 30 km/h gusting to 50 becoming
light late this evening. Low 13.
Sunday..A mix of sun and cloud. Becoming sunny in the morning.
High 23. UV index 8 or very high.
Sunday night..Partly cloudy. Becoming cloudy near midnight.
40 percent chance of showers before morning. Low 10.

Brockville - Prescott.
Tonight..Mainly cloudy. 40 percent chance of showers this evening.
Clearing before morning. Wind southwest 30 km/h gusting to 50
becoming light late this evening. Low 13.
Sunday..Sunny. Wind becoming south 20 km/h gusting to 40 late in the
morning. High 23. UV index 8 or very high.
Sunday night..A few clouds. Increasing cloudiness after midnight then
40 percent chance of showers before morning. Low 10.

Westport - Charleston Lake.
Tonight..Partly cloudy. 40 percent chance of showers this evening.
Wind southwest 30 km/h gusting to 60 becoming light after midnight.
Low 13.
Sunday..Sunny. Wind becoming northwest 20 km/h late in the morning.
High 26. Humidex 27. UV index 8 or very high.
Sunday night..A few clouds. Increasing cloudiness near midnight then
40 percent chance of showers before morning. Low 10.

Merrickville-Wolford - Kemptville.
Tonight..Partly cloudy. 40 percent chance of showers this evening.
Wind southwest 20 km/h gusting to 40 increasing to 40 gusting to 60
then diminishing to 20 gusting to 40 this evening. Low 13.
Sunday..Mainly sunny. Wind northwest 20 km/h. High 22. UV index 8 or
very high.
Sunday night..Clear. Increasing cloudiness after midnight then
40 percent chance of showers before morning. Wind becoming east
20 km/h before morning. Low 10.

Ottawa North - Kanata - Orléans.
Tonight..Partly cloudy. 40 percent chance of showers this evening.
Clearing overnight. Wind southwest 30 km/h gusting to 50 becoming
light late this evening. Low 12.
Sunday..Mainly sunny. Wind becoming northwest 20 km/h in the morning.
High 22. UV index 7 or high.
Sunday night..Clear. Increasing cloudiness after midnight then
40 percent chance of showers before morning. Wind becoming east
20 km/h after midnight. Low 10.

Ottawa South - Richmond - Metcalfe.
Tonight..Partly cloudy. 40 percent chance of showers this evening.
Clearing overnight. Wind southwest 30 km/h gusting to 50 becoming
light late this evening. Low 12.
Sunday..Mainly sunny. Wind becoming northwest 20 km/h in the morning.
High 22. UV index 7 or high.
Sunday night..Clear. Increasing cloudiness after midnight then
40 percent chance of showers before morning. Wind becoming east
20 km/h after midnight. Low 10.

Gatineau.
Tonight..Partly cloudy. 40 percent chance of showers this evening.
Clearing overnight. Wind southwest 20 km/h becoming light late this
evening. Low 11.
Sunday..Mainly sunny. High 22. UV index 7 or high.
Sunday night..Clear. Increasing cloudiness after midnight then
40 percent chance of showers before morning. Wind becoming east
20 km/h before morning. Low 10.

Prescott and Russell.
Tonight..Partly cloudy. 40 percent chance of showers this evening.
Wind southwest 30 km/h gusting to 50 becoming light after midnight.
Low 14.
Sunday..Mainly sunny. Wind becoming northwest 20 km/h gusting to 40
in the morning. High 22. UV index 7 or high.
Sunday night..Clear. Increasing cloudiness after midnight then
40 percent chance of showers before morning. Wind becoming east
20 km/h before morning. Low 11.

Morrisburg - Long Sault.
Tonight..Mainly cloudy. 40 percent chance of showers this evening.
Clearing overnight. Wind southwest 30 km/h gusting to 50 becoming
light after midnight. Low 13.
Sunday..Mainly sunny. Wind becoming northwest 20 km/h gusting to 40
in the morning then light in the afternoon. High 24. UV index 7 or
high.
Sunday night..Clear. Increasing cloudiness after midnight then
40 percent chance of showers before morning. Wind becoming east
20 km/h after midnight. Low 9.

Cornwall - Lancaster.
Tonight..Mainly cloudy. 40 percent chance of showers this evening.
Clearing before morning. Wind southwest 30 km/h gusting to 50.
Low 13.
Sunday..Mainly sunny. Wind becoming west 20 km/h gusting to 40 in the
morning. High 22. UV index 7 or high.
Sunday night..Clear. Increasing cloudiness overnight then 40 percent
chance of showers before morning. Wind becoming northeast 30 km/h
after midnight. Low 9.

Winchester - Newington.
Tonight..Partly cloudy. 40 percent chance of showers this evening.
Wind southwest 30 km/h gusting to 50 becoming light late this
evening. Low 13.
Sunday..Mainly sunny. Wind becoming northwest 20 km/h in the morning.
High 22. UV index 7 or high.
Sunday night..Clear. Increasing cloudiness after midnight then
40 percent chance of showers before morning. Low 9.

Continued in next message...

--- up 1 day, 7 hours, 57 minutes
* Origin: Northern Realms (618:400/23)

FPCN11 CWTO 170900
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 5:00 a.m. EDT Sunday 17 May 2026 for today
and Monday.
The next scheduled forecast will be issued at 11:00 a.m. EDT.

City of Toronto.
Today..A mix of sun and cloud. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. Fog patches dissipating this
morning. High 25. Humidex 26. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers this evening
with risk of a thunderstorm. Low 14.
Monday..Mainly cloudy. Clearing near noon. High 29. Humidex 32. UV
index 9 or very high.

Windsor - Leamington - Essex County.
Today..A mix of sun and cloud. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind becoming south 20 km/h
late this morning. High 27. Humidex 34. UV index 9 or very high. Tonight..Partly cloudy with 30 percent chance of showers early this
evening. Otherwise clear. Risk of a thunderstorm early this evening.
Wind south 20 km/h becoming light after midnight. Low 17.
Monday..Sunny. Becoming a mix of sun and cloud in the afternoon. Wind
becoming south 40 km/h gusting to 60 in the morning. High 31.
Humidex 35. UV index 9 or very high.

Chatham-Kent - Rondeau Park.
Today..A mix of sun and cloud. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. High 26. Humidex 33. UV
index 8 or very high.
Tonight..Partly cloudy with 30 percent chance of showers early this
evening. Otherwise clear. Risk of a thunderstorm early this evening.
Wind becoming south 30 km/h before morning. Low 15.
Monday..Sunny. Wind southwest 40 km/h gusting to 60. High 30. Humidex
33. UV index 9 or very high.

Sarnia - Petrolia - Western Lambton County.
Today..Sunny early this morning then a mix of sun and cloud with
40 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming south 20 km/h late
this morning. High 23. Humidex 25. UV index 8 or very high.
Tonight..Partly cloudy with 40 percent chance of showers early this
evening and risk of a thunderstorm. Clearing this evening. Wind
south 20 km/h. Low 15 with temperature rising to 18 by morning.
Monday..Sunny. Wind becoming south 40 km/h gusting to 60 in the
morning. High 30. Humidex 34. UV index 9 or very high.

Watford - Pinery Park - Eastern Lambton County.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind becoming south 20 km/h
late this morning. High 26. Humidex 32. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind south 20 km/h. Low 17. Monday..Sunny. Wind becoming southwest 30 km/h gusting to 50 in the
morning. High 30. Humidex 35. UV index 9 or very high.

Rodney - Shedden - Western Elgin County.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind becoming south 20 km/h
late this morning. High 26. Humidex 31. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this
evening then clear. Risk of a thunderstorm early this evening.
Low 14.
Monday..Sunny. Wind becoming southwest 30 km/h gusting to 50 in the
morning. High 29. Humidex 32. UV index 9 or very high.

St. Thomas - Aylmer - Eastern Elgin County.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind becoming south 20 km/h
late this morning. High 26. Humidex 31. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Low 14.
Monday..Sunny. Wind becoming south 20 km/h gusting to 40 in the
morning. High 29. Humidex 32. UV index 9 or very high.

Strathroy - Komoka - Western Middlesex County.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind becoming south 20 km/h
late this morning. High 27. Humidex 33. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this
evening then clear. Risk of a thunderstorm early this evening. Wind
south 20 km/h. Low 15.
Monday..Sunny. Wind becoming southwest 30 km/h gusting to 60 in the
morning. High 30. Humidex 34. UV index 9 or very high.

London - Parkhill - Eastern Middlesex County.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind becoming south 20 km/h
late this morning. High 27. Humidex 32. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this
evening then clear. Risk of a thunderstorm early this evening. Wind
south 20 km/h. Low 15.
Monday..Sunny. Wind becoming southwest 40 km/h gusting to 60 in the
morning. High 29. Humidex 34. UV index 9 or very high.

Simcoe - Delhi - Norfolk.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. High 27. Humidex 32. UV
index 8 or very high.
Tonight..Partly cloudy with 40 percent chance of showers early this
evening. Becoming clear late this evening and overnight. Risk of a
thunderstorm early this evening. Low 12.
Monday..Sunny. Wind becoming southwest 30 km/h gusting to 60 in the
morning. High 29 except 14 along the lakeshore. Humidex 35. UV
index 9 or very high.

Dunnville - Caledonia - Haldimand.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind becoming south 20 km/h
this afternoon. High 27. Humidex 35. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Clearing overnight. Wind
becoming southwest 20 km/h before morning. Low 14.
Monday..Sunny. Wind southwest 30 km/h gusting to 60. High 29. Humidex
34. UV index 9 or very high.

Woodstock - Tillsonburg - Oxford County.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind becoming south 20 km/h
this afternoon. High 28. Humidex 34. UV index 8 or very high.
Tonight..Partly cloudy with 40 percent chance of showers early this
evening then clear. Risk of a thunderstorm early this evening. Wind
south 20 km/h. Low 14.
Monday..Sunny. Wind southwest 20 km/h increasing to 40 gusting to 60
in the morning. High 29. Humidex 34. UV index 9 or very high.

Brantford - County of Brant.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Fog patches dissipating this
morning. Wind becoming south 20 km/h this afternoon. High 28.
Humidex 34. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind south 20 km/h. Low 14. Monday..Sunny. Wind southwest 20 km/h increasing to 40 gusting to 60
in the morning. High 29. Humidex 34. UV index 9 or very high.

Niagara Falls - Welland - Southern Niagara Region.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Fog patches dissipating this
morning. Wind southwest 20 km/h. High 24. Humidex 30. UV index 8 or
very high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Low 15.
Monday..Sunny. Wind becoming southwest 20 km/h gusting to 40 in the
morning. High 27. Humidex 32. UV index 9 or very high.

St. Catharines - Grimsby - Northern Niagara Region.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Fog patches dissipating this
morning. Wind southwest 30 km/h becoming light this morning.
High 25. Humidex 28. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Low 10.
Monday..Clearing in the morning. Wind becoming southwest 30 km/h
gusting to 60 near noon. High 28. Humidex 33. UV index 9 or very
high.

City of Hamilton.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Fog patches dissipating this
morning. Wind becoming southwest 20 km/h this afternoon. High 26.
Humidex 30. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind southwest 20 km/h becoming
light this evening. Low 13.
Monday..Sunny. Wind becoming southwest 30 km/h gusting to 60 in the
morning. High 29. Humidex 34. UV index 9 or very high.

Burlington - Oakville.
Today..Sunny. A mix of sun and cloud late this afternoon with
30 percent chance of showers. Risk of a thunderstorm late this
afternoon. Fog patches dissipating this morning. High 24. Humidex
26. UV index 8 or very high.
Tonight..Partly cloudy. 60 percent chance of showers this evening
with risk of a thunderstorm. Low 8.
Monday..A mix of sun and cloud. Clearing late in the morning. Wind
becoming southwest 30 km/h gusting to 70 late in the afternoon.
High 27. Humidex 31. UV index 9 or very high.

Halton Hills - Milton.
Today..Sunny. A mix of sun and cloud late this afternoon with
30 percent chance of showers. Risk of a thunderstorm late this
afternoon. Fog patches dissipating this morning. High 25. Humidex
28. UV index 8 or very high.
Tonight..Partly cloudy. 60 percent chance of showers this evening
with risk of a thunderstorm. Low 13.
Monday..Clearing in the morning. Wind becoming southwest 50 km/h
gusting to 70 late in the morning. High 29. Humidex 34. UV index 9
or very high.

Mississauga - Brampton.
Today..Sunny. A mix of sun and cloud late this afternoon with
30 percent chance of showers. Risk of a thunderstorm late this
afternoon. Fog patches dissipating this morning. High 25. Humidex
28. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers this evening
with risk of a thunderstorm. Low 13.
Monday..Clearing. Wind becoming south 20 km/h gusting to 60 late in
the morning. High 29. Humidex 34. UV index 9 or very high.

Caledon.
Today..Sunny. A mix of sun and cloud late this afternoon with
30 percent chance of showers. Risk of a thunderstorm late this
afternoon. Fog patches dissipating this morning. High 25. Humidex
27. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers this evening
with risk of a thunderstorm. Low 14.
Monday..Sunny. Wind becoming south 30 km/h gusting to 50 in the
morning. High 29. Humidex 35. UV index 9 or very high.

Vaughan - Richmond Hill - Markham.
Today..A mix of sun and cloud. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. Fog patches dissipating this
morning. High 25. Humidex 26. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers this evening
with risk of a thunderstorm. Low 12.
Monday..Mainly cloudy. Clearing late in the morning. Wind becoming
south 20 km/h gusting to 40 late in the morning. High 29. Humidex
34. UV index 9 or very high.

Newmarket - Georgina - Northern York Region.
Today..Mainly cloudy. Clearing this morning. Fog patches dissipating
this morning. High 23. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 12.
Monday..Clearing in the morning. Wind becoming southwest 30 km/h
gusting to 50 in the morning. High 28. Humidex 33. UV index 9 or
very high.

Pickering - Oshawa - Southern Durham Region.
Today..Clearing this morning. Fog patches dissipating this morning.
High 24. Humidex 25. UV index 8 or very high.
Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Wind becoming east 20 km/h after midnight. Low 12. Monday..Mainly cloudy. 30 percent chance of showers early in the
morning. Clearing late in the morning. Wind becoming south 20 km/h
early in the afternoon. High 24. Humidex 28. UV index 9 or very
high.

Uxbridge - Beaverton - Northern Durham Region.
Today..Mainly cloudy. Clearing this morning. Fog patches dissipating
this morning. High 25. Humidex 26. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 14.
Monday..A mix of sun and cloud. 30 percent chance of showers early in
the morning. Clearing in the morning. Wind becoming south 20 km/h
gusting to 40 in the morning. High 29. Humidex 34. UV index 9 or
very high.

Goderich - Bluewater - Southern Huron County.
Today..A mix of sun and cloud. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. High 26. Humidex 31. UV
index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers this evening
and risk of a thunderstorm. Clearing overnight. Wind becoming south
20 km/h this evening. Low 18.
Monday..Sunny. Wind south 30 km/h gusting to 50. High 28. Humidex 31.
UV index 8 or very high.

Wingham - Blyth - Northern Huron County.
Today..Sunny this morning then a mix of sun and cloud with 30 percent
chance of showers late this afternoon. Risk of a thunderstorm late
this afternoon. High 26. Humidex 28. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers this evening
and risk of a thunderstorm. Clearing overnight. Wind becoming south
20 km/h this evening. Low 16.
Monday..Sunny. Wind southwest 30 km/h gusting to 60. High 28. Humidex
33. UV index 9 or very high.

Stratford - Mitchell - Southern Perth County.
Today..Sunny this morning then a mix of sun and cloud with 30 percent
chance of showers late this afternoon. Risk of a thunderstorm late
this afternoon. High 27. Humidex 32. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers this
evening. Becoming clear overnight. Risk of a thunderstorm this
evening. Wind becoming south 20 km/h this evening. Low 17.
Monday..Sunny. Wind south 20 km/h gusting to 50 becoming southwest 40
gusting to 60 late in the afternoon. High 28. Humidex 33. UV index 9
or very high.

Listowel - Milverton - Northern Perth County.
Today..Sunny this morning then a mix of sun and cloud with 30 percent
chance of showers late this afternoon. Risk of a thunderstorm late
this afternoon. High 27. Humidex 32. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers this evening
and risk of a thunderstorm. Clearing overnight. Wind becoming south
20 km/h this evening. Low 16.
Monday..Sunny. Wind southwest 30 km/h gusting to 60. High 28. Humidex
33. UV index 9 or very high.

Kitchener - Cambridge - Region of Waterloo.
Today..Sunny this morning and early this afternoon then a mix of sun
and cloud with 30 percent chance of showers late this afternoon.
Risk of a thunderstorm late this afternoon. Fog patches dissipating
this morning. Wind becoming south 20 km/h late this afternoon.
High 27. Humidex 30. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers this
evening. Becoming clear overnight. Risk of a thunderstorm this
evening. Wind south 30 km/h. Low 13.
Monday..Sunny. Wind southwest 40 km/h gusting to 60. High 29. Humidex
33. UV index 9 or very high.

Guelph - Erin - Southern Wellington County.
Today..Sunny this morning and early this afternoon then a mix of sun
and cloud with 30 percent chance of showers late this afternoon.
Risk of a thunderstorm late this afternoon. Fog patches dissipating
this morning. Wind becoming south 20 km/h late this afternoon.
High 26. Humidex 29. UV index 8 or very high.
Tonight..Partly cloudy. 60 percent chance of showers this evening
with risk of a thunderstorm. Wind south 20 km/h becoming light this
evening. Low 13.
Monday..Sunny. Wind becoming southwest 40 km/h gusting to 60 in the
morning. High 29. Humidex 34. UV index 9 or very high.

Mount Forest - Arthur - Northern Wellington County.
Today..Sunny this morning and early this afternoon then a mix of sun
and cloud with 30 percent chance of showers late this afternoon.
Risk of a thunderstorm late this afternoon. Fog patches dissipating
this morning. Wind becoming south 20 km/h late this afternoon.
High 24. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers this evening
and risk of a thunderstorm. Clearing overnight. Wind south 20 km/h
becoming light this evening. Low 14.
Monday..Sunny. Wind becoming southwest 40 km/h gusting to 60 in the
morning. High 28. Humidex 33. UV index 9 or very high.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Mainly sunny. Fog patches dissipating this morning. High 24.
Humidex 25. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 15.
Monday..Sunny. Wind becoming southwest 40 km/h gusting to 60 in the
morning. High 29. Humidex 34. UV index 9 or very high.

Shelburne - Mansfield - Northern Dufferin County.
Today..Sunny. Becoming a mix of sun and cloud this afternoon. Fog
patches dissipating this morning. High 22. UV index 8 or very high. Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 15.
Monday..Sunny. Wind becoming southwest 20 km/h gusting to 40 then
increasing to 40 gusting to 60 in the morning. High 29. Humidex 34.
UV index 9 or very high.

Innisfil - New Tecumseth - Angus.
Today..Clearing. Fog patches dissipating this morning. High 23.
Humidex 25. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 13 with temperature rising to 16 by morning. Monday..Sunny. Wind becoming southwest 40 km/h gusting to 60 near
noon. High 29. Humidex 34. UV index 9 or very high.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..A mix of sun and cloud. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. High 22. UV index 8 or very
high.
Tonight..Mainly cloudy with 60 percent chance of showers this evening
and risk of a thunderstorm. Clearing overnight. Wind becoming south
30 km/h late this evening. Low 14.
Monday..Sunny early in the morning then a mix of sun and cloud with
30 percent chance of showers late in the afternoon. Wind south
40 km/h gusting to 60. High 25. Humidex 28. UV index 8 or very high.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..Sunny. Increasing cloudiness this afternoon then 30 percent
chance of showers late this afternoon. High 18. UV index 7 or high. Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind becoming east 20 km/h after midnight. Low 9.
Monday..A mix of sun and cloud. 30 percent chance of showers late in
the afternoon. Wind east 20 km/h becoming south 30 gusting to 50 in
the morning. High 18. UV index 8 or very high.

Hanover - Dundalk - Southern Grey County.
Today..A mix of sun and cloud. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. Fog patches dissipating this
morning. High 24. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers this evening
and risk of a thunderstorm. Clearing before morning. Wind becoming
south 20 km/h after midnight. Low 14.
Monday..Sunny in the morning then a mix of sun and cloud with
30 percent chance of showers late in the afternoon. Wind southwest
30 km/h gusting to 50. High 28. Humidex 32. UV index 9 or very high.

Owen Sound - Blue Mountains - Northern Grey County.
Today..Sunny. Increasing cloudiness early this afternoon then
30 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Fog patches dissipating this
morning. High 19. UV index 8 or very high.
Tonight..Cloudy with 60 percent chance of showers this evening then
partly cloudy. Risk of a thunderstorm this evening. Low 14.
Monday..Sunny early in the morning then a mix of sun and cloud with
30 percent chance of showers late in the afternoon. Wind becoming
southwest 30 km/h gusting to 50 in the morning. High 27. Humidex 32.
UV index 8 or very high.

Barrie - Collingwood - Hillsdale.
Today..Clearing. Fog patches dissipating this morning. High 24. UV
index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 13.
Monday..Sunny. Wind becoming southwest 30 km/h gusting to 50 in the
morning. High 28. Humidex 33. UV index 9 or very high.

Midland - Coldwater - Orr Lake.
Today..Sunny. Fog patches dissipating this morning. High 19. UV
index 8 or very high.
Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 13.
Monday..Sunny. Becoming a mix of sun and cloud late in the morning.
Wind becoming southwest 30 km/h gusting to 50 in the morning.
High 28. Humidex 33. UV index 9 or very high.

Orillia - Lagoon City - Washago.
Today..Clearing. Fog patches dissipating this morning. High 19. UV
index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 13.
Monday..Clearing in the morning. Wind becoming south 30 km/h gusting
to 50 in the morning. High 28. Humidex 33. UV index 9 or very high.

Cobourg - Colborne - Western Northumberland County.
Today..Clearing. Fog patches dissipating this morning. High 24.
Humidex 27. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 13.
Monday..A mix of sun and cloud with 30 percent chance of showers
early in the morning. Otherwise sunny. Wind becoming southwest
20 km/h early in the afternoon. High 26. Humidex 31. UV index 9 or
very high.

Belleville - Quinte West - Eastern Northumberland County.
Today..Clearing. Fog patches dissipating this morning. High 24.
Humidex 27. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 12.
Monday..A mix of sun and cloud with 30 percent chance of showers
early in the morning. Otherwise sunny. Wind becoming southwest
20 km/h early in the afternoon. High 26. Humidex 31. UV index 9 or
very high.

Picton - Sandbanks Park.
Today..Clearing. Fog patches dissipating this morning. High 24.
Humidex 27. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers overnight with
risk of a thunderstorm. Low 12.
Monday..A mix of sun and cloud with 40 percent chance of showers
early in the morning. Otherwise sunny. Wind becoming southwest
20 km/h early in the afternoon. High 26. Humidex 31. UV index 9 or
very high.

Napanee - Consecon.
Today..Clearing. Fog patches dissipating this morning. High 24.
Humidex 27. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers overnight with
risk of a thunderstorm. Low 10.
Monday..A mix of sun and cloud with 40 percent chance of showers
early in the morning. Otherwise sunny. Wind becoming southwest
20 km/h early in the afternoon. High 26. Humidex 31. UV index 9 or
very high.

Kingston - Odessa - Frontenac Islands.
Today..Cloudy. Becoming a mix of sun and cloud this morning. Fog
patches dissipating this morning. High 21. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers overnight with
risk of a thunderstorm. Low 12.
Monday..A mix of sun and cloud with 40 percent chance of showers
early in the morning. Otherwise sunny. High 26. Humidex 31. UV
index 9 or very high.

Lindsay - Southern Kawartha Lakes.
Today..Clearing. Fog patches dissipating this morning. High 26. UV
index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 14.
Monday..A mix of sun and cloud with 30 percent chance of showers
early in the morning. Clearing in the morning. Wind becoming south
30 km/h gusting to 50 in the morning. High 28. Humidex 33. UV
index 9 or very high.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Today..Sunny. Fog patches dissipating this morning. High 24. UV
index 8 or very high.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers with risk of a thunderstorm. Low 14.
Monday..A mix of sun and cloud with 30 percent chance of showers
early in the morning. Clearing in the morning. Wind becoming south
30 km/h gusting to 50 late in the morning. High 28. Humidex 33. UV
index 9 or very high.

Peterborough City - Lakefield - Southern Peterborough County.
Today..Clearing. Fog patches dissipating this morning. High 26. UV
index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 13.
Monday..A mix of sun and cloud. 30 percent chance of showers early in
the morning. Clearing in the morning. Wind becoming southwest
30 km/h gusting to 50 in the morning. High 28. Humidex 33. UV
index 9 or very high.

Apsley - Woodview - Northern Peterborough County.
Today..Sunny. Fog patches dissipating this morning. High 24. UV
index 8 or very high.
Tonight..Clear early this evening then partly cloudy with 60 percent
chance of showers. Risk of a thunderstorm this evening and
overnight. Low 13.
Monday..A mix of sun and cloud with 30 percent chance of showers
early in the morning then sunny. Wind becoming southwest 30 km/h
gusting to 50 in the morning. High 28. Humidex 33. UV index 9 or
very high.

Stirling - Tweed - Madoc.
Today..Sunny. Fog patches dissipating this morning. High 25. UV
index 8 or very high.
Tonight..A few clouds. Increasing cloudiness near midnight then
40 percent chance of showers overnight. Risk of a thunderstorm
overnight. Low 13.
Monday..A mix of sun and cloud with 40 percent chance of showers
early in the morning. Otherwise sunny. Wind becoming southwest
30 km/h gusting to 50 late in the morning. High 28. Humidex 34. UV
index 9 or very high.

Tamworth - Sydenham - South Frontenac.
Today..A mix of sun and cloud. Fog patches dissipating this morning.
High 24. UV index 8 or very high.
Tonight..A few clouds. Increasing cloudiness near midnight then
40 percent chance of showers overnight. Risk of a thunderstorm
overnight. Low 13.
Monday..A mix of sun and cloud with 40 percent chance of showers
early in the morning. Otherwise sunny. Wind becoming southwest
30 km/h gusting to 50 near noon. High 28. Humidex 34. UV index 9 or
very high.

Kaladar - Bannockburn - Bon Echo Park.
Today..Sunny. Fog patches dissipating this morning. High 24. UV
index 8 or very high.
Tonight..A few clouds. Increasing cloudiness near midnight then
60 percent chance of showers overnight. Low 12.
Monday..A mix of sun and cloud with 60 percent chance of showers in
the morning. Becoming sunny in the afternoon. Wind becoming
southwest 30 km/h gusting to 50 near noon. High 28. Humidex 33. UV
index 9 or very high.

Bancroft - Hastings Highlands - Denbigh.
Today..Sunny. High 21. UV index 8 or very high.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers overnight. Low 10.
Monday..A mix of sun and cloud. 60 percent chance of showers in the
morning. Wind becoming southwest 30 km/h gusting to 50 in the
morning. High 27. Humidex 31. UV index 8 or very high.

Gananoque - Mallorytown.
Today..Clearing this morning. Fog patches dissipating this morning.
High 23. UV index 8 or very high.
Tonight..A few clouds. Increasing cloudiness after midnight then
40 percent chance of showers before morning. Low 10.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Becoming sunny in the afternoon. Wind becoming
southwest 30 km/h gusting to 50 in the morning. High 28. Humidex 34.
UV index 9 or very high.

Brockville - Prescott.
Today..Mainly sunny. High 23. UV index 8 or very high.
Tonight..Clear. Increasing cloudiness near midnight then 40 percent
chance of showers before morning. Low 10.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Becoming sunny in the afternoon. Wind becoming
southwest 30 km/h gusting to 50 late in the morning. High 28.
Humidex 34. UV index 9 or very high.

Westport - Charleston Lake.
Today..Sunny. Becoming a mix of sun and cloud this afternoon. Fog
patches dissipating this morning. High 23. UV index 8 or very high.
Tonight..A few clouds. Increasing cloudiness after midnight then
40 percent chance of showers before morning. Low 10.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Becoming sunny in the afternoon. Wind east 20 km/h
becoming light in the morning. Wind becoming southwest 30 gusting to
50 near noon. High 28. Humidex 34. UV index 9 or very high.

Merrickville-Wolford - Kemptville.
Today..Sunny. High 22. UV index 8 or very high.
Tonight..Clear this evening then partly cloudy with 40 percent chance
of showers before morning. Low 10.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Becoming sunny in the afternoon. Wind east 20 km/h
becoming light in the morning. Wind becoming southwest 30 gusting to
50 early in the afternoon. High 28. Humidex 34. UV index 9 or very
high.

Ottawa North - Kanata - Orléans.
Today..Sunny. Wind becoming northwest 20 km/h late this morning.
High 22. UV index 7 or high.
Tonight..Clear. Increasing cloudiness near midnight then 40 percent
chance of showers before morning. Wind northwest 20 km/h becoming
light late this evening. Low 9.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Clearing in the afternoon. Wind becoming southwest
30 km/h gusting to 50 in the afternoon. High 28. Humidex 33. UV
index 8 or very high.

Ottawa South - Richmond - Metcalfe.
Today..Sunny. Wind becoming northwest 20 km/h late this morning.
High 22. UV index 7 or high.
Tonight..Clear. Increasing cloudiness near midnight then 40 percent
chance of showers before morning. Wind northwest 20 km/h becoming
light late this evening. Low 9.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Clearing in the afternoon. Wind becoming southwest
30 km/h gusting to 50 in the afternoon. High 28. Humidex 33. UV
index 8 or very high.

Gatineau.
Today..Mainly sunny. Wind becoming northwest 20 km/h late this
afternoon. High 22. UV index 7 or high.
Tonight..Clear. Increasing cloudiness after midnight then 40 percent
chance of showers before morning. Wind northwest 20 km/h becoming
east 20 after midnight. Low 9.
Monday..Mainly cloudy with 40 percent chance of showers in the
morning. Clearing in the afternoon. Wind east 20 km/h becoming light
in the morning. High 27. Humidex 32. UV index 8 or very high.

Prescott and Russell.
Today..Sunny. High 22. UV index 7 or high.
Tonight..Clear. Increasing cloudiness after midnight then 40 percent
chance of showers before morning. Low 10.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Clearing in the afternoon. Wind northeast 20 km/h
becoming light near noon. Wind becoming south 20 gusting to 40 late
in the afternoon. High 28. Humidex 34. UV index 8 or very high.

Morrisburg - Long Sault.
Today..Mainly sunny. High 24. UV index 7 or high.
Tonight..Clear. Increasing cloudiness after midnight then 40 percent
chance of showers before morning. Low 9.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Clearing in the afternoon. Wind east 20 km/h gusting to
40 becoming light in the morning. Wind becoming southwest 30 gusting
to 50 in the afternoon. High 28. Humidex 33. UV index 9 or very
high.

Continued in next message...

--- up 1 day, 21 hours, 27 minutes
* Origin: Northern Realms (618:400/23)

FPCN11 CWTO 171500
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 11:00 a.m. EDT Sunday 17 May 2026 for today
and Monday.
The next scheduled forecast will be issued at 3:30 p.m. EDT.

City of Toronto.
Today..Mainly sunny. High 27. Humidex 29. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers this evening
with risk of a thunderstorm. Low 12.
Monday..Mainly cloudy. Clearing near noon. High 30. Humidex 35. UV
index 9 or very high.

Windsor - Leamington - Essex County.
Today..Sunny near noon then a mix of sun and cloud with 30 percent
chance of showers late this afternoon. Risk of a thunderstorm late
this afternoon. Wind south 20 km/h. High 28. Humidex 36. UV index 8
or very high.
Tonight..Partly cloudy with 30 percent chance of showers early this
evening. Otherwise clear. Risk of a thunderstorm early this evening.
Wind south 20 km/h becoming light after midnight. Low 17.
Monday..Sunny. Becoming a mix of sun and cloud in the afternoon. Wind
becoming south 40 km/h gusting to 60 in the morning. High 32.
Humidex 38. UV index 9 or very high.

Chatham-Kent - Rondeau Park.
Today..Sunny early this afternoon then a mix of sun and cloud with
30 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. High 28. Humidex 36. UV index 8 or
very high.
Tonight..Partly cloudy with 30 percent chance of showers early this
evening. Otherwise clear. Risk of a thunderstorm early this evening.
Wind becoming south 30 km/h before morning. Low 17.
Monday..Sunny. Wind southwest 40 km/h gusting to 60. High 32. Humidex
38. UV index 9 or very high.

Sarnia - Petrolia - Western Lambton County.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind south 20 km/h. High 27.
Humidex 29. UV index 8 or very high.
Tonight..Partly cloudy with 40 percent chance of showers early this
evening and risk of a thunderstorm. Clearing this evening. Wind
south 20 km/h. Low 19.
Monday..Sunny. Wind becoming south 40 km/h gusting to 60 in the
morning. High 32. Humidex 37. UV index 9 or very high.

Watford - Pinery Park - Eastern Lambton County.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind south 20 km/h. High 26.
Humidex 33. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind south 20 km/h. Low 17. Monday..Sunny. Wind becoming southwest 30 km/h gusting to 50 in the
morning. High 32. Humidex 37. UV index 9 or very high.

Rodney - Shedden - Western Elgin County.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind south 20 km/h. High 27.
Humidex 32. UV index 8 or very high.
Tonight..Partly cloudy with 40 percent chance of showers early this
evening then clear. Risk of a thunderstorm early this evening.
Low 16.
Monday..Sunny. Wind becoming southwest 30 km/h gusting to 50 in the
morning. High 30. Humidex 34. UV index 9 or very high.

St. Thomas - Aylmer - Eastern Elgin County.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind south 20 km/h. High 27.
Humidex 32. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Low 16.
Monday..Sunny. Wind becoming south 20 km/h gusting to 40 in the
morning. High 30. Humidex 34. UV index 9 or very high.

Strathroy - Komoka - Western Middlesex County.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind south 20 km/h. High 27.
Humidex 34. UV index 8 or very high.
Tonight..Partly cloudy with 40 percent chance of showers early this
evening then clear. Risk of a thunderstorm early this evening. Wind
south 20 km/h. Low 17.
Monday..Sunny. Wind becoming southwest 30 km/h gusting to 60 in the
morning. High 32. Humidex 37. UV index 9 or very high.

London - Parkhill - Eastern Middlesex County.
Today..Becoming a mix of sun and cloud this afternoon with 40 percent
chance of showers late this afternoon. Risk of a thunderstorm late
this afternoon. Wind south 20 km/h. High 27. Humidex 33. UV index 3
or moderate.
Tonight..Partly cloudy with 40 percent chance of showers early this
evening then clear. Risk of a thunderstorm early this evening. Wind
south 20 km/h. Low 17.
Monday..Sunny. Wind becoming southwest 40 km/h gusting to 60 in the
morning. High 31. Humidex 36. UV index 9 or very high.

Simcoe - Delhi - Norfolk.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. High 26. Humidex 31. UV
index 8 or very high.
Tonight..Partly cloudy with 40 percent chance of showers early this
evening. Becoming clear late this evening and overnight. Risk of a
thunderstorm early this evening. Low 17.
Monday..Sunny. Wind becoming southwest 30 km/h gusting to 60 in the
morning. High 30 except 19 along the lakeshore. Humidex 35. UV
index 9 or very high.

Dunnville - Caledonia - Haldimand.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind becoming south 20 km/h
this afternoon. High 26. Humidex 33. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Clearing overnight. Wind
becoming southwest 20 km/h before morning. Low 16.
Monday..Sunny. Wind southwest 30 km/h gusting to 60. High 30. Humidex
36. UV index 9 or very high.

Woodstock - Tillsonburg - Oxford County.
Today..Sunny near noon then a mix of sun and cloud with 40 percent
chance of showers late this afternoon. Risk of a thunderstorm late
this afternoon. Wind becoming south 20 km/h this afternoon. High 27.
Humidex 34. UV index 8 or very high.
Tonight..Partly cloudy with 40 percent chance of showers early this
evening then clear. Risk of a thunderstorm early this evening. Wind
south 20 km/h. Low 16.
Monday..Sunny. Wind southwest 20 km/h increasing to 40 gusting to 60
in the morning. High 31. Humidex 36. UV index 9 or very high.

Brantford - County of Brant.
Today..Sunny near noon then a mix of sun and cloud with 40 percent
chance of showers late this afternoon. Risk of a thunderstorm late
this afternoon. Wind becoming south 20 km/h this afternoon. High 27.
Humidex 34. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind south 20 km/h. Low 16. Monday..Sunny. Wind southwest 20 km/h increasing to 40 gusting to 60
in the morning. High 31. Humidex 36. UV index 9 or very high.

Niagara Falls - Welland - Southern Niagara Region.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind southwest 20 km/h.
High 24. Humidex 29. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Low 17.
Monday..Sunny. Wind becoming southwest 20 km/h gusting to 40 in the
morning. High 30 except 22 along the lakeshore. Humidex 37. UV
index 9 or very high.

St. Catharines - Grimsby - Northern Niagara Region.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. High 26. Humidex 32. UV
index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Low 13.
Monday..Clearing in the morning. Wind becoming southwest 30 km/h
gusting to 60 near noon. High 30. Humidex 36. UV index 9 or very
high.

City of Hamilton.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind becoming southwest
20 km/h this afternoon. High 27. Humidex 33. UV index 7 or high. Tonight..Partly cloudy. 40 percent chance of showers early this
evening with risk of a thunderstorm. Wind southwest 20 km/h becoming
light this evening. Low 13.
Monday..Sunny. Wind becoming southwest 30 km/h gusting to 60 in the
morning. High 30. Humidex 35. UV index 9 or very high.

Burlington - Oakville.
Today..A mix of sun and cloud. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. High 24 with temperature
falling to 14 this afternoon. Humidex 27. UV index 8 or very high. Tonight..Partly cloudy. 60 percent chance of showers this evening
with risk of a thunderstorm. Low 10.
Monday..A mix of sun and cloud. Clearing late in the morning. Wind
becoming southwest 30 km/h gusting to 70 late in the afternoon.
High 30. Humidex 34. UV index 9 or very high.

Halton Hills - Milton.
Today..Sunny early this afternoon then a mix of sun and cloud with
30 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. High 27. Humidex 29. UV index 8 or
very high.
Tonight..Partly cloudy. 60 percent chance of showers this evening
with risk of a thunderstorm. Low 12.
Monday..Clearing in the morning. Wind becoming southwest 50 km/h
gusting to 70 late in the morning. High 30. Humidex 35. UV index 9
or very high.

Mississauga - Brampton.
Today..Mainly sunny. High 27. Humidex 29. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers this evening
with risk of a thunderstorm. Low 12.
Monday..Clearing. Wind becoming south 20 km/h gusting to 60 late in
the morning. High 30. Humidex 35. UV index 9 or very high.

Caledon.
Today..Sunny. Becoming a mix of sun and cloud this afternoon.
High 27. Humidex 29. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers this evening
with risk of a thunderstorm. Low 12.
Monday..Sunny. Wind becoming south 30 km/h gusting to 50 in the
morning. High 30. Humidex 35. UV index 9 or very high.

Vaughan - Richmond Hill - Markham.
Today..Sunny. High 27. Humidex 28. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers this evening
with risk of a thunderstorm. Low 12.
Monday..Mainly cloudy. Clearing late in the morning. Wind becoming
south 20 km/h gusting to 40 late in the morning. High 30. Humidex
35. UV index 9 or very high.

Newmarket - Georgina - Northern York Region.
Today..Sunny. Becoming a mix of sun and cloud this afternoon.
High 27. Humidex 28. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 12.
Monday..Clearing in the morning. Wind becoming southwest 30 km/h
gusting to 50 in the morning. High 30. Humidex 35. UV index 9 or
very high.

Pickering - Oshawa - Southern Durham Region.
Today..Clearing early this afternoon. High 25. Humidex 27. UV index 5
or moderate.
Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Wind becoming east 20 km/h after midnight. Low 14. Monday..Mainly cloudy. 30 percent chance of showers early in the
morning. Clearing late in the morning. Wind becoming south 20 km/h
early in the afternoon. High 29. Humidex 33. UV index 9 or very
high.

Uxbridge - Beaverton - Northern Durham Region.
Today..Mainly sunny. High 25. Humidex 27. UV index 8 or very high. Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 14.
Monday..A mix of sun and cloud. 30 percent chance of showers early in
the morning. Clearing in the morning. Wind becoming south 20 km/h
gusting to 40 in the morning. High 29. Humidex 34. UV index 9 or
very high.

Goderich - Bluewater - Southern Huron County.
Today..Sunny near noon then a mix of sun and cloud with 30 percent
chance of showers late this afternoon. Risk of a thunderstorm late
this afternoon. High 26. Humidex 30. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers this evening
and risk of a thunderstorm. Clearing overnight. Wind becoming south
20 km/h this evening. Low 17.
Monday..Sunny. Wind south 30 km/h gusting to 50. High 30. Humidex 35.
UV index 8 or very high.

Wingham - Blyth - Northern Huron County.
Today..Sunny near noon then a mix of sun and cloud with 30 percent
chance of showers late this afternoon. Risk of a thunderstorm late
this afternoon. High 26. Humidex 31. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers this evening
and risk of a thunderstorm. Clearing overnight. Wind becoming south
20 km/h this evening. Low 17.
Monday..Sunny. Wind southwest 30 km/h gusting to 60. High 30. Humidex
35. UV index 8 or very high.

Stratford - Mitchell - Southern Perth County.
Today..Sunny near noon then a mix of sun and cloud with 30 percent
chance of showers late this afternoon. Risk of a thunderstorm late
this afternoon. High 27. Humidex 31. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers this
evening. Becoming clear overnight. Risk of a thunderstorm this
evening. Wind becoming south 20 km/h this evening. Low 16.
Monday..Sunny. Wind south 20 km/h gusting to 50 becoming southwest 40
gusting to 60 late in the afternoon. High 31. Humidex 36. UV index 9
or very high.

Listowel - Milverton - Northern Perth County.
Today..Sunny near noon then a mix of sun and cloud with 30 percent
chance of showers late this afternoon. Risk of a thunderstorm late
this afternoon. High 27. Humidex 31. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers this evening
and risk of a thunderstorm. Clearing overnight. Wind becoming south
20 km/h this evening. Low 17.
Monday..Sunny. Wind southwest 30 km/h gusting to 60. High 30. Humidex
35. UV index 9 or very high.

Kitchener - Cambridge - Region of Waterloo.
Today..Sunny early this afternoon then a mix of sun and cloud with
30 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming south 20 km/h late
this afternoon. High 27. Humidex 31. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers this
evening. Becoming clear overnight. Risk of a thunderstorm this
evening. Wind south 30 km/h. Low 14.
Monday..Sunny. Wind southwest 40 km/h gusting to 60. High 31. Humidex
35. UV index 9 or very high.

Guelph - Erin - Southern Wellington County.
Today..Sunny early this afternoon then a mix of sun and cloud with
30 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming south 20 km/h late
this afternoon. High 27. Humidex 31. UV index 8 or very high.
Tonight..Partly cloudy. 60 percent chance of showers this evening
with risk of a thunderstorm. Wind south 20 km/h becoming light this
evening. Low 14.
Monday..Sunny. Wind becoming southwest 40 km/h gusting to 60 in the
morning. High 31. Humidex 35. UV index 9 or very high.

Mount Forest - Arthur - Northern Wellington County.
Today..A mix of sun and cloud. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind becoming south 20 km/h
late this afternoon. High 27. Humidex 30. UV index 8 or very high. Tonight..Partly cloudy with 60 percent chance of showers this evening
and risk of a thunderstorm. Clearing overnight. Wind south 20 km/h
becoming light this evening. Low 16.
Monday..Sunny. Wind becoming southwest 40 km/h gusting to 60 in the
morning. High 30. Humidex 35. UV index 9 or very high.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Mainly sunny. High 27. Humidex 28. UV index 8 or very high. Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 14.
Monday..Sunny. Wind becoming southwest 40 km/h gusting to 60 in the
morning. High 30. Humidex 37. UV index 9 or very high.

Shelburne - Mansfield - Northern Dufferin County.
Today..Sunny. Becoming a mix of sun and cloud this afternoon.
High 27. Humidex 28. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 14.
Monday..Sunny. Wind becoming southwest 20 km/h gusting to 40 then
increasing to 40 gusting to 60 in the morning. High 29. Humidex 36.
UV index 9 or very high.

Innisfil - New Tecumseth - Angus.
Today..Sunny. Becoming a mix of sun and cloud this afternoon.
High 27. Humidex 28. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 14.
Monday..Sunny. Wind becoming southwest 40 km/h gusting to 60 near
noon. High 30. Humidex 37. UV index 9 or very high.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..A mix of sun and cloud. 30 percent chance of showers late this
afternoon with risk of a thunderstorm. High 23. Humidex 25. UV
index 8 or very high.
Tonight..Mainly cloudy with 60 percent chance of showers this evening
and risk of a thunderstorm. Clearing overnight. Wind becoming south
30 km/h late this evening. Low 17.
Monday..Sunny early in the morning then a mix of sun and cloud with
30 percent chance of showers late in the afternoon. Wind south
40 km/h gusting to 60. High 26. Humidex 29. UV index 8 or very high.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..Increasing cloudiness. 30 percent chance of showers late this
afternoon. High 17. UV index 7 or high.
Tonight..Cloudy with 60 percent chance of showers and risk of a
thunderstorm. Wind becoming east 20 km/h after midnight. Low 7.
Monday..A mix of sun and cloud. 30 percent chance of showers late in
the afternoon. Wind east 20 km/h becoming south 30 gusting to 50 in
the morning. High 16. UV index 8 or very high.

Hanover - Dundalk - Southern Grey County.
Today..Sunny early this afternoon then a mix of sun and cloud with
30 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. High 26. UV index 8 or very high. Tonight..Partly cloudy with 60 percent chance of showers this evening
and risk of a thunderstorm. Clearing before morning. Wind becoming
south 20 km/h after midnight. Low 17.
Monday..Sunny in the morning then a mix of sun and cloud with
30 percent chance of showers late in the afternoon. Wind southwest
30 km/h gusting to 50. High 29. Humidex 34. UV index 9 or very high.

Owen Sound - Blue Mountains - Northern Grey County.
Today..Increasing cloudiness near noon. 30 percent chance of showers
late this afternoon with risk of a thunderstorm. High 17. UV index 8
or very high.
Tonight..Cloudy with 60 percent chance of showers this evening then
partly cloudy. Risk of a thunderstorm this evening. Low 14.
Monday..Sunny early in the morning then a mix of sun and cloud with
30 percent chance of showers late in the afternoon. Wind becoming
southwest 30 km/h gusting to 50 in the morning. High 28. Humidex 33.
UV index 8 or very high.

Barrie - Collingwood - Hillsdale.
Today..Sunny. High 22. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 14.
Monday..Sunny. Wind becoming southwest 30 km/h gusting to 50 in the
morning. High 28. Humidex 33. UV index 9 or very high.

Midland - Coldwater - Orr Lake.
Today..Mainly sunny. High 23. UV index 8 or very high.
Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 14.
Monday..Sunny. Becoming a mix of sun and cloud late in the morning.
Wind becoming southwest 30 km/h gusting to 50 in the morning.
High 28. Humidex 33. UV index 9 or very high.

Orillia - Lagoon City - Washago.
Today..Sunny. High 22. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 14.
Monday..Clearing in the morning. Wind becoming south 30 km/h gusting
to 50 in the morning. High 24. Humidex 28. UV index 9 or very high.

Cobourg - Colborne - Western Northumberland County.
Today..Clearing this afternoon. High 24. Humidex 27. UV index 7 or
high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 12.
Monday..A mix of sun and cloud with 30 percent chance of showers
early in the morning. Otherwise sunny. Wind becoming southwest
20 km/h early in the afternoon. High 27. Humidex 32. UV index 9 or
very high.

Belleville - Quinte West - Eastern Northumberland County.
Today..Clearing this afternoon. High 24. Humidex 27. UV index 3 or
moderate.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 12.
Monday..A mix of sun and cloud with 30 percent chance of showers
early in the morning. Otherwise sunny. Wind becoming southwest
20 km/h early in the afternoon. High 27. Humidex 32. UV index 9 or
very high.

Picton - Sandbanks Park.
Today..Clearing this afternoon. High 20 except 14 along the
lakeshore. UV index 7 or high.
Tonight..Partly cloudy. 40 percent chance of showers overnight with
risk of a thunderstorm. Low 12.
Monday..A mix of sun and cloud with 40 percent chance of showers
early in the morning. Otherwise sunny. Wind becoming southwest
20 km/h early in the afternoon. High 27 except 17 along the
lakeshore. Humidex 32. UV index 9 or very high.

Napanee - Consecon.
Today..Clearing this afternoon. High 20. UV index 3 or moderate. Tonight..Partly cloudy. 40 percent chance of showers overnight with
risk of a thunderstorm. Low 12.
Monday..A mix of sun and cloud with 40 percent chance of showers
early in the morning. Otherwise sunny. Wind becoming southwest
20 km/h early in the afternoon. High 27. Humidex 32. UV index 9 or
very high.

Kingston - Odessa - Frontenac Islands.
Today..Cloudy. Becoming a mix of sun and cloud this afternoon.
High 15. UV index 3 or moderate.
Tonight..Partly cloudy. 40 percent chance of showers overnight with
risk of a thunderstorm. Low 11.
Monday..A mix of sun and cloud with 40 percent chance of showers
early in the morning. Otherwise sunny. High 24. Humidex 30. UV
index 9 or very high.

Lindsay - Southern Kawartha Lakes.
Today..Sunny. High 26. UV index 8 or very high.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 12.
Monday..A mix of sun and cloud with 30 percent chance of showers
early in the morning. Clearing in the morning. Wind becoming south
30 km/h gusting to 50 in the morning. High 29. Humidex 34. UV
index 9 or very high.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Today..Sunny. High 26. UV index 8 or very high.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers with risk of a thunderstorm. Low 12.
Monday..A mix of sun and cloud with 30 percent chance of showers
early in the morning. Clearing in the morning. Wind becoming south
30 km/h gusting to 50 late in the morning. High 29. Humidex 34. UV
index 9 or very high.

Peterborough City - Lakefield - Southern Peterborough County.
Today..Clearing this afternoon. High 25. UV index 5 or moderate. Tonight..Partly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Low 12.
Monday..A mix of sun and cloud. 30 percent chance of showers early in
the morning. Clearing in the morning. Wind becoming southwest
30 km/h gusting to 50 in the morning. High 28. Humidex 33. UV
index 9 or very high.

Apsley - Woodview - Northern Peterborough County.
Today..Sunny. High 25. UV index 8 or very high.
Tonight..Clear early this evening then partly cloudy with 60 percent
chance of showers. Risk of a thunderstorm this evening and
overnight. Low 13.
Monday..A mix of sun and cloud with 30 percent chance of showers
early in the morning then sunny. Wind becoming southwest 30 km/h
gusting to 50 in the morning. High 29. Humidex 34. UV index 9 or
very high.

Stirling - Tweed - Madoc.
Today..Sunny. High 26. UV index 8 or very high.
Tonight..A few clouds. Increasing cloudiness near midnight then
40 percent chance of showers overnight. Risk of a thunderstorm
overnight. Low 13.
Monday..A mix of sun and cloud with 40 percent chance of showers
early in the morning. Otherwise sunny. Wind becoming southwest
30 km/h gusting to 50 late in the morning. High 29. Humidex 34. UV
index 9 or very high.

Tamworth - Sydenham - South Frontenac.
Today..Mainly sunny. High 26. UV index 8 or very high.
Tonight..A few clouds. Increasing cloudiness near midnight then
40 percent chance of showers overnight. Risk of a thunderstorm
overnight. Low 13.
Monday..A mix of sun and cloud with 40 percent chance of showers
early in the morning. Otherwise sunny. Wind becoming southwest
30 km/h gusting to 50 near noon. High 29. Humidex 34. UV index 9 or
very high.

Kaladar - Bannockburn - Bon Echo Park.
Today..Sunny. High 26. UV index 8 or very high.
Tonight..A few clouds. Increasing cloudiness near midnight then
40 percent chance of showers overnight. Risk of a thunderstorm
overnight. Low 13.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Becoming sunny in the afternoon. Risk of a thunderstorm
in the morning. Wind becoming southwest 30 km/h gusting to 50 near
noon. High 29. Humidex 34. UV index 9 or very high.

Bancroft - Hastings Highlands - Denbigh.
Today..Sunny. High 24. UV index 7 or high.
Tonight..Increasing cloudiness early this evening. 40 percent chance
of showers overnight with risk of a thunderstorm. Low 11.
Monday..A mix of sun and cloud. 40 percent chance of showers in the
morning with risk of a thunderstorm. Wind becoming southwest 30 km/h
gusting to 50 in the morning. High 28. Humidex 31. UV index 9 or
very high.

Gananoque - Mallorytown.
Today..Mainly sunny. High 24. Humidex 25. UV index 8 or very high.
Tonight..A few clouds. Increasing cloudiness after midnight then
40 percent chance of showers before morning. Low 11.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Becoming sunny in the afternoon. Wind becoming
southwest 30 km/h gusting to 50 in the morning. High 28. Humidex 33.
UV index 9 or very high.

Brockville - Prescott.
Today..A mix of sun and cloud. High 24. Humidex 26. UV index 7 or
high.
Tonight..Clear. Increasing cloudiness near midnight then 40 percent
chance of showers before morning. Low 11.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Becoming sunny in the afternoon. Wind becoming
southwest 30 km/h gusting to 50 late in the morning. High 29.
Humidex 34. UV index 9 or very high.

Westport - Charleston Lake.
Today..Sunny. Becoming a mix of sun and cloud this afternoon.
High 24. Humidex 25. UV index 8 or very high.
Tonight..A few clouds. Increasing cloudiness after midnight then
40 percent chance of showers before morning. Low 11.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Becoming sunny in the afternoon. Wind east 20 km/h
becoming light in the morning. Wind becoming southwest 30 gusting to
50 near noon. High 32. Humidex 37. UV index 9 or very high.

Merrickville-Wolford - Kemptville.
Today..Mainly sunny. High 23. UV index 8 or very high.
Tonight..Clear this evening then partly cloudy with 40 percent chance
of showers before morning. Low 11.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Becoming sunny in the afternoon. Wind east 20 km/h
becoming light in the morning. Wind becoming southwest 30 gusting to
50 early in the afternoon. High 29. Humidex 34. UV index 9 or very
high.

Ottawa North - Kanata - Orléans.
Today..Clearing this afternoon. Wind northwest 20 km/h. High 23. UV
index 7 or high.
Tonight..Clear. Increasing cloudiness near midnight then 40 percent
chance of showers before morning. Wind northwest 20 km/h becoming
light late this evening. Low 10.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Clearing in the afternoon. Wind becoming southwest
30 km/h gusting to 50 in the afternoon. High 29. Humidex 34. UV
index 8 or very high.

Ottawa South - Richmond - Metcalfe.
Today..Sunny. Wind northwest 20 km/h. High 23. UV index 7 or high. Tonight..Clear. Increasing cloudiness near midnight then 40 percent
chance of showers before morning. Wind northwest 20 km/h becoming
light late this evening. Low 10.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Clearing in the afternoon. Wind becoming southwest
30 km/h gusting to 50 in the afternoon. High 29. Humidex 34. UV
index 8 or very high.

Gatineau.
Today..A mix of sun and cloud. Becoming sunny this afternoon. Wind
becoming northwest 20 km/h late this afternoon. High 22. UV index 7
or high.
Tonight..Clear. Increasing cloudiness after midnight then 40 percent
chance of showers before morning. Wind northwest 20 km/h becoming
east 20 after midnight. Low 9.
Monday..Mainly cloudy with 40 percent chance of showers in the
morning. Clearing in the afternoon. Wind east 20 km/h becoming light
in the morning. High 29. Humidex 34. UV index 8 or very high.

Prescott and Russell.
Today..Mainly sunny. High 23. UV index 7 or high.
Tonight..Clear. Increasing cloudiness after midnight then 40 percent
chance of showers before morning. Low 12.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Clearing in the afternoon. Wind northeast 20 km/h
becoming light near noon. Wind becoming south 20 gusting to 40 late
in the afternoon. High 29. Humidex 34. UV index 9 or very high.

Morrisburg - Long Sault.
Today..Mainly sunny. High 24. UV index 7 or high.
Tonight..Clear. Increasing cloudiness after midnight then 40 percent
chance of showers before morning. Low 9.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Clearing in the afternoon. Wind east 20 km/h gusting to
40 becoming light in the morning. Wind becoming southwest 30 gusting
to 50 in the afternoon. High 29. Humidex 34. UV index 9 or very
high.

Cornwall - Lancaster.
Today..Sunny. High 23. UV index 7 or high.
Tonight..Clear. Increasing cloudiness after midnight then 40 percent
chance of showers before morning. Wind becoming northeast 30 km/h
before morning. Low 9.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Clearing in the afternoon. Wind northeast 30 km/h
becoming light late in the afternoon. High 29. Humidex 34. UV
index 9 or very high.

Winchester - Newington.
Today..Mainly sunny. High 23. UV index 7 or high.
Tonight..Clear. Increasing cloudiness after midnight then 40 percent
chance of showers before morning. Low 9.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Clearing in the afternoon. Wind east 20 km/h gusting to
40 becoming light in the morning. Wind becoming southwest 30 gusting
to 50 in the afternoon. High 29. Humidex 34. UV index 9 or very
high.

Maxville - Alexandria.
Today..Mainly sunny. High 23. UV index 7 or high.
Tonight..A few clouds. Increasing cloudiness overnight then
40 percent chance of showers before morning. Low 9.
Monday..A mix of sun and cloud with 40 percent chance of showers in
the morning. Clearing in the afternoon. Wind east 20 km/h becoming
light near noon. Wind becoming south 30 gusting to 50 late in the
afternoon. High 29. Humidex 34. UV index 9 or very high.

Continued in next message...

--- up 2 days, 3 hours, 27 minutes
* Origin: Northern Realms (618:400/23)

FPCN11 CWTO 171930
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 3:30 p.m. EDT Sunday 17 May 2026 for tonight
Monday and Monday night.
The next scheduled forecast will be issued at 5:00 a.m. EDT Monday.

City of Toronto.
Tonight..Partly cloudy. Becoming cloudy late this evening with
40 percent chance of showers late this evening and overnight. Risk
of a thunderstorm late this evening and overnight. Fog patches
developing overnight. Low 12.
Monday..Mainly cloudy. 30 percent chance of showers early in the
morning. Clearing in the afternoon. Fog patches dissipating in the
morning. High 30. Humidex 35. UV index 9 or very high.
Monday night..Increasing cloudiness early in the evening. 60 percent
chance of showers late in the evening and overnight with risk of a
thunderstorm. Fog patches developing overnight. Low 19.

Windsor - Leamington - Essex County.
Tonight..Partly cloudy with 30 percent chance of showers this evening
then clear. Risk of a thunderstorm this evening. Wind southwest
20 km/h gusting to 40 becoming light after midnight. Wind becoming
south 20 before morning. Low 17.
Monday..Sunny. Increasing cloudiness in the afternoon. Wind southwest
30 km/h gusting to 50 becoming south 50 gusting to 70 in the
afternoon then southwest 70 gusting to 100. High 31. Humidex 37. UV
index 9 or very high.
Monday night..Mainly cloudy with 40 percent chance of showers and
risk of a thunderstorm. Wind southwest 70 km/h gusting to 100
becoming light in the evening. Wind becoming southwest 30 near
midnight. Low 18.

Chatham-Kent - Rondeau Park.
Tonight..Clear early this evening then partly cloudy with 30 percent
chance of showers this evening. Risk of a thunderstorm this evening.
Wind south 20 km/h. Low 17.
Monday..Sunny. Becoming a mix of sun and cloud late in the afternoon.
Wind southwest 20 km/h gusting to 50 becoming south 40 gusting to 60
in the afternoon then west 60 gusting to 100. High 31. Humidex 37.
UV index 9 or very high.
Monday night..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind west 60 km/h gusting to 100 becoming light in the
evening. Wind becoming southwest 20 gusting to 40 near midnight.
Low 18.

Sarnia - Petrolia - Western Lambton County.
Tonight..Partly cloudy. 40 percent chance of showers this evening
with risk of a thunderstorm. Clearing overnight. Wind east 20 km/h
becoming south 20 late this evening. Low 19.
Monday..Sunny. Becoming a mix of sun and cloud in the afternoon. Wind
south 20 km/h gusting to 50 increasing to 40 gusting to 60 in the
afternoon. High 31. Humidex 36. UV index 9 or very high.
Monday night..Mainly cloudy. 40 percent chance of showers late in the
evening and overnight with risk of a thunderstorm. Wind southwest
40 km/h gusting to 60 diminishing to 20 in the evening. Low 18.

Watford - Pinery Park - Eastern Lambton County.
Tonight..Partly cloudy. 40 percent chance of showers this evening
with risk of a thunderstorm. Wind south 20 km/h becoming light early
this evening. Low 17.
Monday..Sunny. Wind becoming southwest 30 km/h gusting to 50 in the
morning. High 31. Humidex 36. UV index 9 or very high.
Monday night..Increasing cloudiness. 40 percent chance of showers
late in the evening and overnight with risk of a thunderstorm. Wind
west 30 km/h gusting to 50 becoming light near midnight. Wind
becoming southwest 20 after midnight. Low 19.

Rodney - Shedden - Western Elgin County.
Tonight..Partly cloudy with 40 percent chance of showers this
evening. Becoming clear overnight. Risk of a thunderstorm this
evening. Low 16.
Monday..Sunny. Wind becoming southwest 30 km/h gusting to 50 in the
morning. High 30. Humidex 34. UV index 9 or very high.
Monday night..Cloudy. 40 percent chance of showers late in the
evening and overnight with risk of a thunderstorm. Wind southwest
30 km/h gusting to 50. Low 19.

St. Thomas - Aylmer - Eastern Elgin County.
Tonight..Partly cloudy. 40 percent chance of showers this evening
with risk of a thunderstorm. Low 16.
Monday..Sunny. Wind becoming southwest 20 km/h gusting to 40 in the
morning. High 30. Humidex 34. UV index 9 or very high.
Monday night..Becoming cloudy in the evening with 40 percent chance
of showers late in the evening and overnight. Risk of a thunderstorm
late in the evening and overnight. Wind southwest 20 km/h gusting to
40. Low 19.

Strathroy - Komoka - Western Middlesex County.
Tonight..Partly cloudy. 40 percent chance of showers this evening
with risk of a thunderstorm. Clearing overnight. Wind south 20 km/h
becoming light this evening. Low 17.
Monday..Sunny. Wind becoming southwest 30 km/h gusting to 60 in the
morning then south 50 gusting to 80 late in the afternoon. High 31.
Humidex 36. UV index 9 or very high.
Monday night..Cloudy. 40 percent chance of showers late in the
evening and overnight with risk of a thunderstorm. Wind south
50 km/h gusting to 80 becoming light in the evening. Wind becoming
southwest 20 gusting to 40 near midnight. Low 18.

London - Parkhill - Eastern Middlesex County.
Tonight..Partly cloudy. 40 percent chance of showers this evening
with risk of a thunderstorm. Wind southeast 20 km/h becoming light
this evening. Low 17.
Monday..Sunny. Wind becoming south 20 km/h gusting to 40 in the
morning then increasing to 40 gusting to 60 in the afternoon.
High 30. Humidex 35. UV index 9 or very high.
Monday night..Becoming cloudy in the evening with 40 percent chance
of showers late in the evening and overnight. Risk of a thunderstorm
late in the evening and overnight. Wind west 40 km/h gusting to 60
becoming southwest 20 in the evening. Low 18.

Simcoe - Delhi - Norfolk.
Tonight..Clear early this evening then partly cloudy with 40 percent
chance of showers this evening and after midnight. Risk of a
thunderstorm this evening and after midnight. Fog patches developing
overnight. Low 17.
Monday..Sunny. Fog patches dissipating in the morning. Wind becoming
southwest 30 km/h gusting to 60 in the morning. High 30 except 19
along the lakeshore. Humidex 35. UV index 9 or very high.
Monday night..Increasing cloudiness early in the evening. 40 percent
chance of showers late in the evening and overnight with risk of a
thunderstorm. Wind southwest 30 km/h gusting to 50 becoming west 50
gusting to 90 in the evening then southwest 20 after midnight.
Low 19.

Dunnville - Caledonia - Haldimand.
Tonight..Partly cloudy. 40 percent chance of showers this evening and
after midnight with risk of a thunderstorm. Fog patches developing
overnight. Low 16.
Monday..Sunny. Fog patches dissipating in the morning. Wind becoming
southwest 30 km/h gusting to 50 in the morning. High 30. Humidex 36.
UV index 9 or very high.
Monday night..Increasing cloudiness early in the evening. 40 percent
chance of showers late in the evening and overnight with risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40 becoming light
near midnight. Wind becoming southwest 20 after midnight. Low 18.

Woodstock - Tillsonburg - Oxford County.
Tonight..Partly cloudy. 40 percent chance of showers this evening and
after midnight with risk of a thunderstorm. Clearing before morning.
Fog patches developing overnight. Low 16.
Monday..Sunny. Fog patches dissipating in the morning. Wind becoming
southwest 20 km/h gusting to 50 in the morning then increasing to 40
gusting to 60 late in the afternoon. High 30. Humidex 35. UV index 9
or very high.
Monday night..Becoming cloudy in the evening with 40 percent chance
of showers late in the evening and overnight. Risk of a thunderstorm
late in the evening and overnight. Wind west 50 km/h gusting to 100
becoming southwest 20 near midnight. Low 19.

Brantford - County of Brant.
Tonight..Partly cloudy. 40 percent chance of showers this evening and
after midnight with risk of a thunderstorm. Fog patches developing
overnight. Low 16.
Monday..Sunny. Fog patches dissipating in the morning. Wind becoming
southwest 30 km/h gusting to 50 in the morning. High 30. Humidex 35.
UV index 9 or very high.
Monday night..Increasing cloudiness early in the evening. 40 percent
chance of showers late in the evening and overnight with risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40 becoming light
near midnight. Wind becoming southwest 20 gusting to 40 after
midnight. Low 19.

Niagara Falls - Welland - Southern Niagara Region.
Tonight..Partly cloudy. 40 percent chance of showers this evening and
after midnight with risk of a thunderstorm. Fog patches developing
overnight. Wind becoming northeast 20 km/h late this evening.
Low 17.
Monday..Clearing in the morning. Fog patches dissipating in the
morning. Wind becoming southwest 30 km/h gusting to 50 in the
morning. High 30 except 22 along the lakeshore. Humidex 37. UV
index 9 or very high.
Monday night..Increasing cloudiness. 40 percent chance of showers
late in the evening and overnight with risk of a thunderstorm. Wind
becoming southwest 20 km/h before morning. Low 16.

St. Catharines - Grimsby - Northern Niagara Region.
Tonight..Clear. Increasing cloudiness early this evening then
40 percent chance of showers this evening and after midnight. Risk
of a thunderstorm this evening and after midnight. Fog patches
developing overnight. Wind south 20 km/h becoming light early this
evening. Low 13.
Monday..Clearing. Fog patches dissipating in the morning. Wind
becoming southwest 30 km/h gusting to 50 late in the morning.
High 30. Humidex 36. UV index 9 or very high.
Monday night..Clear in the evening then partly cloudy with 40 percent
chance of showers late in the evening and overnight. Risk of a
thunderstorm late in the evening and overnight. Wind southwest
20 km/h gusting to 40 becoming light near midnight. Wind becoming
southwest 20 before morning. Low 20.

City of Hamilton.
Tonight..A few clouds. Increasing cloudiness early this evening then
40 percent chance of showers this evening and after midnight. Risk
of a thunderstorm this evening and after midnight. Fog patches
developing overnight. Wind becoming east 20 km/h late this evening.
Low 13.
Monday..Sunny. Fog patches dissipating in the morning. Wind becoming
southwest 30 km/h gusting to 50 in the morning. High 30. Humidex 35.
UV index 9 or very high.
Monday night..Increasing cloudiness. 40 percent chance of showers
late in the evening and overnight with risk of a thunderstorm. Wind
west 30 km/h gusting to 50 becoming light near midnight. Wind
becoming southwest 20 gusting to 40 after midnight. Low 18.

Burlington - Oakville.
Tonight..A few clouds. Increasing cloudiness this evening then
40 percent chance of showers late this evening and overnight. Risk
of a thunderstorm late this evening and overnight. Fog patches
developing overnight. Wind south 30 km/h becoming light this
evening. Low 10.
Monday..A mix of sun and cloud. 30 percent chance of showers early in
the morning. Clearing late in the morning. Fog patches dissipating
in the morning. Wind becoming southwest 30 km/h gusting to 50 in the
afternoon. High 28. Humidex 32. UV index 9 or very high.
Monday night..Increasing cloudiness early in the evening. 60 percent
chance of showers late in the evening and overnight with risk of a
thunderstorm. Fog patches developing overnight. Wind west 40 km/h
gusting to 80 becoming light near midnight. Wind becoming southwest
20 before morning. Low 18.

Halton Hills - Milton.
Tonight..Partly cloudy. Becoming cloudy late this evening with
40 percent chance of showers late this evening and overnight. Risk
of a thunderstorm late this evening and overnight. Fog patches
developing overnight. Low 12.
Monday..A mix of sun and cloud with 30 percent chance of showers
early in the morning. Clearing in the morning. Fog patches
dissipating in the morning. Wind becoming southwest 30 km/h gusting
to 50 in the morning. High 30. Humidex 35. UV index 9 or very high.
Monday night..Increasing cloudiness. 60 percent chance of showers
late in the evening and overnight with risk of a thunderstorm. Fog
patches developing overnight. Wind west 30 km/h gusting to 50
becoming light after midnight. Wind becoming southwest 20 before
morning. Low 19.

Mississauga - Brampton.
Tonight..Partly cloudy. Becoming cloudy late this evening with
40 percent chance of showers late this evening and overnight. Risk
of a thunderstorm late this evening and overnight. Fog patches
developing overnight. Low 12.
Monday..Mainly cloudy. 30 percent chance of showers early in the
morning. Clearing in the afternoon. Fog patches dissipating in the
morning. Wind becoming southwest 30 km/h gusting to 50 late in the
afternoon. High 30. Humidex 35. UV index 9 or very high.
Monday night..Increasing cloudiness early in the evening. 60 percent
chance of showers late in the evening and overnight with risk of a
thunderstorm. Fog patches developing overnight. Wind southwest
30 km/h gusting to 50 becoming light near midnight. Wind becoming
southwest 20 before morning. Low 19.

Caledon.
Tonight..Mainly cloudy. 30 percent chance of showers changing to
70 percent chance of showers late this evening. Risk of a
thunderstorm this evening and overnight. Fog patches developing
overnight. Low 12.
Monday..A mix of sun and cloud. 30 percent chance of showers early in
the morning with risk of a thunderstorm. Fog patches dissipating in
the morning. Wind becoming southwest 20 km/h gusting to 50 in the
morning then increasing to 40 gusting to 60 late in the afternoon.
High 30. Humidex 35. UV index 9 or very high.
Monday night..Increasing cloudiness. 40 percent chance of showers in
the evening. Showers beginning near midnight. Risk of a thunderstorm
in the evening and overnight. Fog patches developing overnight. Wind
west 40 km/h gusting to 70 becoming southwest 20 after midnight.
Low 19.

Vaughan - Richmond Hill - Markham.
Tonight..Partly cloudy. Becoming cloudy late this evening with
40 percent chance of showers late this evening and overnight. Risk
of a thunderstorm late this evening and overnight. Fog patches
developing overnight. Low 12.
Monday..Cloudy with 30 percent chance of showers early in the
morning. Clearing in the morning. Fog patches dissipating in the
morning. Wind becoming southwest 30 km/h gusting to 50 late in the
morning. High 30. Humidex 35. UV index 9 or very high.
Monday night..Increasing cloudiness early in the evening. 60 percent
chance of showers late in the evening and overnight with risk of a
thunderstorm. Fog patches developing overnight. Wind southwest
30 km/h gusting to 50 becoming light near midnight. Wind becoming
southwest 20 before morning. Low 19.

Newmarket - Georgina - Northern York Region.
Tonight..Mainly cloudy. 30 percent chance of showers changing to
70 percent chance of showers late this evening. Risk of a
thunderstorm this evening and overnight. Fog patches developing
overnight. Wind becoming southeast 20 km/h after midnight. Low 12. Monday..Cloudy with 30 percent chance of showers early in the morning
and risk of a thunderstorm. Clearing in the morning. Fog patches
dissipating in the morning. Wind becoming south 20 km/h gusting to
40 late in the morning. High 30. Humidex 35. UV index 9 or very
high.
Monday night..Increasing cloudiness. 40 percent chance of showers in
the evening. Showers beginning near midnight. Risk of a thunderstorm
in the evening and overnight. Fog patches developing overnight. Wind
southwest 20 km/h. Low 19.

Pickering - Oshawa - Southern Durham Region.
Tonight..Increasing cloudiness. 60 percent chance of showers late
this evening and overnight with risk of a thunderstorm. Fog patches
developing overnight. Low 14.
Monday..Cloudy with 30 percent chance of showers early in the morning
then a mix of sun and cloud. Risk of a thunderstorm early in the
morning. Fog patches dissipating in the morning. Wind becoming south
20 km/h in the afternoon. High 29. Humidex 33. UV index 9 or very
high.
Monday night..Increasing cloudiness. 60 percent chance of showers
late in the evening and overnight with risk of a thunderstorm. Fog
patches developing overnight. Low 16.

Uxbridge - Beaverton - Northern Durham Region.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Fog patches developing overnight. Wind becoming
southeast 20 km/h late this evening. Low 14.
Monday..Mainly cloudy. 30 percent chance of showers early in the
morning with risk of a thunderstorm. Clearing in the morning. Fog
patches dissipating in the morning. Wind becoming south 30 km/h
gusting to 50 in the morning. High 29. Humidex 34. UV index 9 or
very high.
Monday night..Increasing cloudiness early in the evening. 60 percent
chance of showers late in the evening and overnight with risk of a
thunderstorm. Fog patches developing overnight. Wind southwest
20 km/h gusting to 40 becoming light in the evening. Wind becoming
southwest 20 after midnight. Low 18.

Goderich - Bluewater - Southern Huron County.
Tonight..Mainly cloudy. 60 percent chance of showers this evening and
after midnight with risk of a thunderstorm. Clearing before morning.
Wind becoming east 30 km/h this evening then south 20 after
midnight. Low 17.
Monday..Mainly sunny. Wind south 30 km/h gusting to 50 becoming west
50 gusting to 70 late in the afternoon. High 30. Humidex 35. UV
index 8 or very high.
Monday night..Cloudy. 40 percent chance of showers in the evening.
Showers beginning near midnight. Risk of a thunderstorm in the
evening and overnight. Fog patches developing overnight. Wind west
50 km/h gusting to 70 becoming south 30 in the evening. Low 18.

Wingham - Blyth - Northern Huron County.
Tonight..Mainly cloudy. 60 percent chance of showers this evening and
after midnight with risk of a thunderstorm. Clearing before morning.
Wind becoming southeast 30 km/h this evening then light late this
evening. Low 17.
Monday..Mainly sunny. Wind becoming southwest 40 km/h gusting to 70
in the morning. High 30. Humidex 35. UV index 8 or very high.
Monday night..Cloudy. 40 percent chance of showers in the evening.
Showers beginning near midnight. Risk of a thunderstorm in the
evening and overnight. Fog patches developing overnight. Wind
southwest 40 km/h gusting to 70 diminishing to 20 near midnight.
Low 18.

Stratford - Mitchell - Southern Perth County.
Tonight..Partly cloudy. 60 percent chance of showers this evening and
after midnight with risk of a thunderstorm. Clearing before morning.
Wind south 20 km/h becoming light this evening. Low 16.
Monday..Sunny. Wind becoming southwest 20 km/h gusting to 50 in the
morning then increasing to 40 gusting to 60 late in the afternoon.
High 31. Humidex 36. UV index 9 or very high.
Monday night..Becoming cloudy in the evening with 40 percent chance
of showers later in the evening. Showers beginning near midnight.
Risk of a thunderstorm in the evening and overnight. Fog patches
developing overnight. Wind southwest 50 km/h gusting to 90
diminishing to 20 near midnight. Low 19.

Listowel - Milverton - Northern Perth County.
Tonight..Mainly cloudy. 60 percent chance of showers this evening and
after midnight with risk of a thunderstorm. Clearing before morning.
Low 17.
Monday..Mainly sunny. Wind becoming southwest 40 km/h gusting to 60
in the morning. High 30. Humidex 35. UV index 9 or very high.
Monday night..Becoming cloudy in the evening with 40 percent chance
of showers later in the evening. Showers beginning near midnight.
Risk of a thunderstorm in the evening and overnight. Fog patches
developing overnight. Wind south 40 km/h gusting to 60 becoming
southwest 20 near midnight. Low 19.

Kitchener - Cambridge - Region of Waterloo.
Tonight..Mainly cloudy. 60 percent chance of showers this evening and
after midnight with risk of a thunderstorm. Clearing before morning.
Wind southwest 20 km/h becoming northwest 20 gusting to 40 early
this evening then light late this evening. Low 14.
Monday..Sunny. Wind becoming southwest 20 km/h gusting to 50 in the
morning then increasing to 40 gusting to 70 late in the afternoon.
High 31. Humidex 35. UV index 9 or very high.
Monday night..Increasing cloudiness. 40 percent chance of showers in
the evening. Showers beginning near midnight. Risk of a thunderstorm
in the evening and overnight. Fog patches developing overnight. Wind
southwest 40 km/h gusting to 70 diminishing to 20 gusting to 40 in
the evening. Low 19.

Guelph - Erin - Southern Wellington County.
Tonight..Mainly cloudy. 60 percent chance of showers this evening and
after midnight with risk of a thunderstorm. Low 14.
Monday..Sunny. Wind becoming southwest 30 km/h gusting to 50 in the
morning. High 31. Humidex 35. UV index 9 or very high.
Monday night..Increasing cloudiness. 40 percent chance of showers in
the evening. Showers beginning near midnight. Risk of a thunderstorm
in the evening and overnight. Fog patches developing overnight. Wind
southwest 30 km/h gusting to 50. Low 18.

Mount Forest - Arthur - Northern Wellington County.
Tonight..Mainly cloudy. 60 percent chance of showers this evening and
after midnight with risk of a thunderstorm. Clearing before morning.
Wind south 20 km/h becoming north 30 gusting to 50 this evening then
light late this evening. Low 16.
Monday..Sunny. Becoming a mix of sun and cloud late in the morning.
Wind becoming southwest 40 km/h gusting to 60 in the morning.
High 29. Humidex 34. UV index 9 or very high.
Monday night..Becoming cloudy in the evening with 40 percent chance
of showers later in the evening. Showers beginning near midnight.
Risk of a thunderstorm in the evening and overnight. Fog patches
developing overnight. Wind southwest 40 km/h gusting to 60
diminishing to 20 in the evening. Low 17.

Orangeville - Grand Valley - Southern Dufferin County.
Tonight..Increasing cloudiness. 30 percent chance of showers changing
to 70 percent chance of showers late this evening. Risk of a
thunderstorm this evening and overnight. Fog patches developing
overnight. Wind northeast 20 km/h becoming west 20 gusting to 40
early this evening then light late this evening. Low 14.
Monday..A mix of sun and cloud. 30 percent chance of showers early in
the morning with risk of a thunderstorm. Fog patches dissipating in
the morning. Wind becoming southwest 40 km/h gusting to 60 in the
morning. High 29. Humidex 36. UV index 9 or very high.
Monday night..Increasing cloudiness. 40 percent chance of showers in
the evening. Showers beginning near midnight. Risk of a thunderstorm
in the evening and overnight. Fog patches developing overnight. Wind
west 40 km/h gusting to 70 becoming southwest 20 gusting to 40 near
midnight. Low 18.

Shelburne - Mansfield - Northern Dufferin County.
Tonight..Increasing cloudiness. 30 percent chance of showers changing
to 70 percent chance of showers late this evening. Risk of a
thunderstorm this evening and overnight. Fog patches developing
overnight. Wind becoming south 20 km/h after midnight. Low 14.
Monday..A mix of sun and cloud. 30 percent chance of showers early in
the morning with risk of a thunderstorm. Fog patches dissipating in
the morning. Wind southwest 30 km/h gusting to 60. High 29. Humidex
36. UV index 9 or very high.
Monday night..Increasing cloudiness. 40 percent chance of showers in
the evening. Showers beginning near midnight. Risk of a thunderstorm
in the evening and overnight. Fog patches developing overnight. Wind
west 40 km/h gusting to 60 becoming southwest 20 gusting to 40 near
midnight. Low 17.

Innisfil - New Tecumseth - Angus.
Tonight..Increasing cloudiness. 30 percent chance of showers changing
to 70 percent chance of showers late this evening. Risk of a
thunderstorm this evening and overnight. Fog patches developing
overnight. Wind becoming south 20 km/h before morning. Low 14.
Monday..Mainly cloudy with 30 percent chance of showers early in the
morning and risk of a thunderstorm. Clearing in the morning. Fog
patches dissipating in the morning. Wind south 20 km/h becoming
light in the morning. Wind becoming southwest 30 gusting to 50 late
in the morning. High 30. Humidex 37. UV index 9 or very high.
Monday night..Increasing cloudiness. 40 percent chance of showers in
the evening. Showers beginning near midnight. Risk of a thunderstorm
in the evening and overnight. Fog patches developing overnight. Wind
west 40 km/h gusting to 90 becoming southwest 20 near midnight then
light after midnight. Low 19.

Saugeen Shores - Kincardine - Southern Bruce County.
Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Wind becoming east 50 km/h gusting to 70 this
evening then light late this evening. Low 17.
Monday..A mix of sun and cloud. 30 percent chance of showers early in
the morning and late in the afternoon. Risk of a thunderstorm. Wind
becoming south 30 km/h gusting to 60 in the morning then southwest
50 gusting to 70 late in the afternoon. High 26. Humidex 29. UV
index 8 or very high.
Monday night..Cloudy. 30 percent chance of showers early in the
evening. Showers beginning in the evening. Risk of a thunderstorm in
the evening and overnight. Fog patches developing overnight. Wind
southwest 50 km/h gusting to 70 diminishing to 30 in the evening.
Low 14.

Bruce Peninsula - Sauble Beach - Tobermory.
Tonight..Mainly cloudy with 60 percent chance of showers and risk of
a thunderstorm. Wind becoming southeast 20 km/h late this evening.
Low 7.
Monday..Mainly cloudy. 30 percent chance of showers early in the
morning and late in the afternoon. Risk of a thunderstorm. Wind
south 30 km/h gusting to 50. High 16. UV index 8 or very high.
Monday night..Cloudy. 30 percent chance of showers early in the
evening. Showers beginning in the evening. Risk of a thunderstorm in
the evening and overnight. Fog patches developing overnight. Wind
south 20 km/h becoming light near midnight. Low 7.

Hanover - Dundalk - Southern Grey County.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers with risk of a thunderstorm. Wind becoming southwest
20 km/h before morning. Low 17.
Monday..A mix of sun and cloud. 30 percent chance of showers early in
the morning and late in the afternoon. Risk of a thunderstorm. Wind
southwest 30 km/h gusting to 50. High 29. Humidex 34. UV index 9 or
very high.
Monday night..Mainly cloudy. 30 percent chance of showers early in
the evening. Showers beginning in the evening. Risk of a
thunderstorm in the evening and overnight. Fog patches developing
overnight. Wind southwest 30 km/h gusting to 50. Low 18.

Owen Sound - Blue Mountains - Northern Grey County.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers with risk of a thunderstorm. Low 14.
Monday..A mix of sun and cloud. 30 percent chance of showers early in
the morning and late in the afternoon. Risk of a thunderstorm. Wind
becoming southwest 20 km/h gusting to 50 in the morning then
increasing to 40 gusting to 60 late in the afternoon. High 28.
Humidex 33. UV index 8 or very high.
Monday night..Cloudy. 30 percent chance of showers early in the
evening. Showers beginning in the evening. Risk of a thunderstorm in
the evening and overnight. Fog patches developing overnight. Wind
southwest 40 km/h gusting to 60 diminishing to 20 in the evening.
Low 15.

Barrie - Collingwood - Hillsdale.
Tonight..Increasing cloudiness. 30 percent chance of showers changing
to 70 percent chance of showers late this evening. Risk of a
thunderstorm this evening and overnight. Fog patches developing
overnight. Wind becoming south 20 km/h after midnight. Low 14.
Monday..Cloudy with 30 percent chance of showers early in the morning
and risk of a thunderstorm. Clearing in the morning. Fog patches
dissipating in the morning. Wind becoming south 20 km/h gusting to
40 late in the morning. High 30. Humidex 33. UV index 9 or very
high.
Monday night..Mainly cloudy with 40 percent chance of showers in the
evening. Showers beginning near midnight. Risk of a thunderstorm in
the evening and overnight. Fog patches developing overnight. Wind
southwest 20 km/h gusting to 40 becoming northwest 20 in the evening
then becoming southwest 20 after midnight. Low 18.

Midland - Coldwater - Orr Lake.
Tonight..Increasing cloudiness. 30 percent chance of showers changing
to 70 percent chance of showers late this evening. Risk of a
thunderstorm this evening and overnight. Fog patches developing
overnight. Low 14.
Monday..A mix of sun and cloud. 30 percent chance of showers early in
the morning with risk of a thunderstorm. Fog patches dissipating in
the morning. Wind becoming southwest 30 km/h gusting to 50 late in
the morning. High 27. Humidex 31. UV index 9 or very high.
Monday night..Becoming cloudy in the evening with 40 percent chance
of showers later in the evening. Showers beginning near midnight.
Risk of a thunderstorm in the evening and overnight. Fog patches
developing overnight. Wind southwest 20 km/h becoming light near
midnight. Low 15.

Orillia - Lagoon City - Washago.
Tonight..Increasing cloudiness. 30 percent chance of showers changing
to 70 percent chance of showers late this evening. Risk of a
thunderstorm this evening and overnight. Fog patches developing
overnight. Wind becoming southeast 20 km/h late this evening.
Low 14.
Monday..Mainly cloudy with 30 percent chance of showers early in the
morning and risk of a thunderstorm. Clearing in the morning. Fog
patches dissipating in the morning. Wind becoming south 30 km/h late
in the morning. High 27. Humidex 31. UV index 9 or very high.
Monday night..Increasing cloudiness. 40 percent chance of showers in
the evening. Showers beginning near midnight. Risk of a thunderstorm
in the evening and overnight. Fog patches developing overnight. Wind
south 30 km/h becoming northwest 20 then south 30 near midnight.
Low 17.

Cobourg - Colborne - Western Northumberland County.
Tonight..A few clouds. Increasing cloudiness this evening then
60 percent chance of showers late this evening and overnight. Risk
of a thunderstorm late this evening and overnight. Fog patches
developing overnight. Low 12.
Monday..Mainly cloudy. 30 percent chance of showers early in the
morning with risk of a thunderstorm. Clearing in the afternoon. Fog
patches dissipating in the morning. High 27. Humidex 32. UV index 9
or very high.
Monday night..Clear. Increasing cloudiness late in the evening then
60 percent chance of showers late in the evening and overnight. Risk
of a thunderstorm late in the evening and overnight. Fog patches
developing overnight. Low 14.

Belleville - Quinte West - Eastern Northumberland County.
Tonight..A few clouds. Increasing cloudiness this evening then
60 percent chance of showers late this evening and overnight. Risk
of a thunderstorm late this evening and overnight. Fog patches
developing overnight. Low 12.
Monday..Mainly cloudy. 30 percent chance of showers early in the
morning with risk of a thunderstorm. Clearing in the afternoon. Fog
patches dissipating in the morning. High 27. Humidex 32. UV index 9
or very high.
Monday night..Clear. Increasing cloudiness late in the evening then
60 percent chance of showers late in the evening and overnight. Risk
of a thunderstorm late in the evening and overnight. Fog patches
developing overnight. Low 14.

Continued in next message...

--- up 2 days, 7 hours, 57 minutes
* Origin: Northern Realms (618:400/23)

FPCN11 CWTO 180900
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 5:00 a.m. EDT Monday 18 May 2026 for today
and Tuesday.
The next scheduled forecast will be issued at 11:00 a.m. EDT.

City of Toronto.
Today..Mainly cloudy. Clearing early this afternoon. Fog patches
dissipating this morning. High 30. Humidex 35. UV index 9 or very
high.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Fog patches developing overnight. Low 19.
Tuesday..Mainly cloudy. 60 percent chance of showers early in the
morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Fog patches dissipating in the morning. Wind southwest
30 km/h becoming light in the morning. Wind becoming southwest 30 in
the afternoon. High 30. Humidex 34. UV index 9 or very high.

Windsor - Leamington - Essex County.
Today..Sunny. Increasing cloudiness this afternoon. Wind south
40 km/h gusting to 60. High 31. Humidex 37. UV index 9 or very high. Tonight..Mainly cloudy with 40 percent chance of showers and risk of
a thunderstorm. Wind south 40 km/h gusting to 60 becoming light this
evening. Wind becoming southwest 30 late this evening. Low 18.
Tuesday..Mainly sunny. Increasing cloudiness in the afternoon then a
few showers. Risk of a thunderstorm in the afternoon. Wind becoming
southwest 40 km/h gusting to 60 late in the morning. High 31.
Humidex 35. UV index 9 or very high.

Chatham-Kent - Rondeau Park.
Today..Sunny. Becoming a mix of sun and cloud this afternoon. Wind
becoming southwest 20 km/h gusting to 50 this morning then south 40
gusting to 60 this afternoon. High 31. Humidex 37. UV index 9 or
very high.
Tonight..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind south 40 km/h gusting to 60 becoming light this
evening. Wind becoming southwest 20 gusting to 40 late this evening.
Low 18.
Tuesday..A mix of sun and cloud. Becoming cloudy in the afternoon
with a few showers. Risk of a thunderstorm in the afternoon. Wind
becoming southwest 40 km/h gusting to 60 late in the morning.
High 31. Humidex 35. UV index 9 or very high.

Sarnia - Petrolia - Western Lambton County.
Today..Sunny. Becoming a mix of sun and cloud this afternoon. Wind
south 20 km/h gusting to 50 increasing to 40 gusting to 60 this
afternoon. High 31. Humidex 36. UV index 9 or very high.
Tonight..Mainly cloudy. 40 percent chance of showers late this
evening and overnight with risk of a thunderstorm. Wind south
40 km/h gusting to 60 becoming southwest 20 this evening. Low 18. Tuesday..Mainly cloudy. 40 percent chance of showers early in the
morning. A few showers beginning in the afternoon. Risk of a
thunderstorm. Wind becoming southwest 40 km/h gusting to 60 in the
morning. High 31. Humidex 36. UV index 9 or very high.

Watford - Pinery Park - Eastern Lambton County.
Today..Sunny. Wind becoming southwest 30 km/h gusting to 50 this
morning. High 31. Humidex 36. UV index 9 or very high.
Tonight..Increasing cloudiness. 40 percent chance of showers late
this evening and overnight with risk of a thunderstorm. Wind west
30 km/h gusting to 50 becoming light late this evening. Wind
becoming southwest 20 after midnight. Low 19.
Tuesday..Mainly cloudy. 40 percent chance of showers early in the
morning. A few showers beginning in the afternoon. Risk of a
thunderstorm. Wind southwest 30 km/h increasing to 50 gusting to 70
in the afternoon. High 31. Humidex 36. UV index 9 or very high.

Rodney - Shedden - Western Elgin County.
Today..Sunny. Wind becoming southwest 30 km/h gusting to 50 this
morning. High 30. Humidex 34. UV index 9 or very high.
Tonight..Cloudy. 40 percent chance of showers late this evening and
overnight with risk of a thunderstorm. Wind southwest 30 km/h
gusting to 50. Low 19.
Tuesday..A mix of sun and cloud. 40 percent chance of showers early
in the morning. A few showers beginning in the afternoon. Risk of a
thunderstorm. Wind becoming southwest 40 km/h gusting to 60 late in
the morning. High 29. Humidex 34. UV index 9 or very high.

St. Thomas - Aylmer - Eastern Elgin County.
Today..Sunny. Wind becoming southwest 20 km/h gusting to 40 this
morning. High 30. Humidex 34. UV index 9 or very high.
Tonight..Becoming cloudy this evening with 40 percent chance of
showers late this evening and overnight. Risk of a thunderstorm late
this evening and overnight. Wind southwest 20 km/h gusting to 40.
Low 19.
Tuesday..A mix of sun and cloud. 40 percent chance of showers early
in the morning. A few showers beginning in the afternoon. Risk of a
thunderstorm. Wind becoming southwest 40 km/h gusting to 60 late in
the morning. High 29. Humidex 34. UV index 9 or very high.

Strathroy - Komoka - Western Middlesex County.
Today..Sunny. Wind becoming south 40 km/h gusting to 60 this morning.
High 31. Humidex 36. UV index 9 or very high.
Tonight..Cloudy. 40 percent chance of showers late this evening and
overnight with risk of a thunderstorm. Wind south 40 km/h gusting to
60 becoming light this evening. Wind becoming southwest 20 gusting
to 40 late this evening. Low 18.
Tuesday..A mix of sun and cloud. 40 percent chance of showers early
in the morning. A few showers beginning in the afternoon. Risk of a
thunderstorm. Wind southwest 20 km/h increasing to 50 gusting to 70
late in the morning. High 30. Humidex 35. UV index 9 or very high.

London - Parkhill - Eastern Middlesex County.
Today..Sunny. Wind becoming south 20 km/h gusting to 40 this morning
then increasing to 40 gusting to 60 this afternoon. High 30. Humidex
35. UV index 9 or very high.
Tonight..Becoming cloudy this evening with 40 percent chance of
showers late this evening and overnight. Risk of a thunderstorm late
this evening and overnight. Wind south 40 km/h gusting to 60
becoming southwest 20 this evening. Low 18.
Tuesday..Mainly cloudy. 40 percent chance of showers early in the
morning. A few showers beginning in the afternoon. Risk of a
thunderstorm. Wind south 30 km/h becoming southwest 50 gusting to 70
in the afternoon. High 30. Humidex 35. UV index 9 or very high.

Simcoe - Delhi - Norfolk.
Today..Sunny. Fog patches dissipating this morning. Wind becoming
southwest 30 km/h gusting to 50 this morning. High 30 except 19
along the lakeshore. Humidex 35. UV index 9 or very high.
Tonight..Increasing cloudiness early this evening. 40 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Wind southwest 30 km/h gusting to 50 becoming west 50
gusting to 90 this evening then southwest 20 after midnight. Low 19. Tuesday..A mix of sun and cloud. 40 percent chance of showers early
in the morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Wind southwest 40 km/h gusting to 60. High 29. Humidex
34. UV index 9 or very high.

Dunnville - Caledonia - Haldimand.
Today..Sunny. Fog patches dissipating this morning. Wind becoming
southwest 30 km/h gusting to 50 this morning. High 30. Humidex 36.
UV index 9 or very high.
Tonight..Increasing cloudiness early this evening. 40 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40 becoming light
late this evening. Wind becoming southwest 20 after midnight.
Low 18.
Tuesday..A mix of sun and cloud. 40 percent chance of showers early
in the morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Wind southwest 30 km/h. High 29. Humidex 34. UV
index 9 or very high.

Woodstock - Tillsonburg - Oxford County.
Today..Sunny. Fog patches dissipating this morning. Wind becoming
southwest 20 km/h gusting to 50 this morning then increasing to 40
gusting to 60 late this afternoon. High 30. Humidex 35. UV index 9
or very high.
Tonight..Becoming cloudy this evening with 40 percent chance of
showers late this evening and overnight. Risk of a thunderstorm late
this evening and overnight. Wind southwest 40 km/h gusting to 60
diminishing to 20 late this evening. Low 19.
Tuesday..Mainly cloudy. 40 percent chance of showers early in the
morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Wind southwest 30 km/h increasing to 50 gusting to 70
in the afternoon. High 30. Humidex 35. UV index 9 or very high.

Brantford - County of Brant.
Today..Sunny. Fog patches dissipating this morning. Wind becoming
southwest 30 km/h gusting to 50 this morning. High 30. Humidex 35.
UV index 9 or very high.
Tonight..Increasing cloudiness early this evening. 40 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40 becoming light
late this evening. Wind becoming southwest 20 gusting to 40 after
midnight. Low 19.
Tuesday..Mainly cloudy. 40 percent chance of showers early in the
morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Wind southwest 30 km/h increasing to 50 gusting to 70
in the afternoon. High 30. Humidex 35. UV index 9 or very high.

Niagara Falls - Welland - Southern Niagara Region.
Today..Clearing this morning. Fog patches dissipating this morning.
Wind becoming southwest 30 km/h gusting to 50 this morning. High 30
except 22 along the lakeshore. Humidex 37. UV index 9 or very high. Tonight..Increasing cloudiness. 40 percent chance of showers late
this evening and overnight with risk of a thunderstorm. Wind
becoming southwest 20 km/h before morning. Low 16.
Tuesday..A mix of sun and cloud. 40 percent chance of showers early
in the morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Wind southwest 30 km/h becoming light in the morning.
Wind becoming southwest 20 in the afternoon. High 29. Humidex 33. UV
index 9 or very high.

St. Catharines - Grimsby - Northern Niagara Region.
Today..A mix of sun and cloud. Clearing this morning. Fog patches
dissipating this morning. Wind becoming southwest 30 km/h gusting to
50 late this morning. High 30. Humidex 36. UV index 9 or very high. Tonight..Clear this evening then partly cloudy with 40 percent chance
of showers late this evening and overnight. Risk of a thunderstorm
late this evening and overnight. Wind southwest 20 km/h gusting to
40 becoming light late this evening. Wind becoming southwest 20
before morning. Low 20.
Tuesday..A mix of sun and cloud. 40 percent chance of showers early
in the morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Wind southwest 30 km/h. High 29. Humidex 33. UV
index 9 or very high.

City of Hamilton.
Today..Clearing this morning. Fog patches dissipating this morning.
Wind becoming southwest 30 km/h gusting to 50 this morning. High 30.
Humidex 35. UV index 9 or very high.
Tonight..Increasing cloudiness. 40 percent chance of showers late
this evening and overnight with risk of a thunderstorm. Wind
southwest 20 km/h gusting to 40 becoming light late this evening.
Wind becoming southwest 20 gusting to 40 after midnight. Low 18.
Tuesday..A mix of sun and cloud. 40 percent chance of showers early
in the morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Wind southwest 20 km/h increasing to 40 gusting to 60
in the afternoon. High 29. Humidex 33. UV index 9 or very high.

Burlington - Oakville.
Today..Mainly cloudy. Clearing late this morning. Fog patches
dissipating this morning. Wind becoming southwest 30 km/h gusting to
50 this afternoon. High 28. Humidex 32. UV index 9 or very high. Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Fog patches developing overnight. Wind southwest
30 km/h gusting to 50 becoming light late this evening. Wind
becoming southwest 20 before morning. Low 18.
Tuesday..A mix of sun and cloud. 60 percent chance of showers early
in the morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Fog patches dissipating in the morning. Wind southwest
30 km/h becoming light in the morning. Wind becoming southwest 40
gusting to 60 in the afternoon. High 26. Humidex 30. UV index 9 or
very high.

Halton Hills - Milton.
Today..A mix of sun and cloud. Clearing this morning. Fog patches
dissipating this morning. Wind becoming southwest 30 km/h gusting to
50 this morning. High 30. Humidex 35. UV index 9 or very high. Tonight..Increasing cloudiness. 60 percent chance of showers late
this evening and overnight with risk of a thunderstorm. Fog patches
developing overnight. Wind west 30 km/h gusting to 50 becoming light
after midnight. Wind becoming southwest 20 before morning. Low 19. Tuesday..Mainly cloudy. 60 percent chance of showers early in the
morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Fog patches dissipating in the morning. Wind southwest
30 km/h becoming light in the morning. Wind becoming southwest 30 in
the afternoon. High 30. Humidex 34. UV index 9 or very high.

Mississauga - Brampton.
Today..Clearing this morning. Fog patches dissipating this morning.
Wind becoming southwest 30 km/h gusting to 50 late this afternoon.
High 30. Humidex 35. UV index 9 or very high.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Fog patches developing overnight. Wind southwest
30 km/h gusting to 50 becoming light late this evening. Wind
becoming southwest 20 before morning. Low 19.
Tuesday..Mainly cloudy. 60 percent chance of showers early in the
morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Fog patches dissipating in the morning. Wind southwest
30 km/h becoming light in the morning. Wind becoming southwest 30 in
the afternoon. High 30. Humidex 34. UV index 9 or very high.

Caledon.
Today..A mix of sun and cloud. 30 percent chance of showers early
this morning with risk of a thunderstorm. Fog patches dissipating
this morning. Wind becoming southwest 30 km/h gusting to 50 this
morning. High 30. Humidex 35. UV index 9 or very high.
Tonight..Increasing cloudiness. 40 percent chance of showers this
evening. Showers beginning late this evening. Risk of a thunderstorm
this evening and overnight. Fog patches developing overnight. Wind
west 40 km/h gusting to 60 becoming southwest 20 after midnight.
Low 19.
Tuesday..A mix of sun and cloud with 40 percent chance of showers.
Showers beginning late in the afternoon. Risk of a thunderstorm in
the morning and afternoon. Fog patches dissipating in the morning.
Wind west 30 km/h. High 30. Humidex 34. UV index 9 or very high.

Vaughan - Richmond Hill - Markham.
Today..Clearing. Fog patches dissipating this morning. Wind becoming
southwest 30 km/h gusting to 50 late this morning. High 30. Humidex
35. UV index 9 or very high.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Fog patches developing overnight. Wind southwest
30 km/h gusting to 50 becoming light late this evening. Wind
becoming southwest 20 before morning. Low 19.
Tuesday..A mix of sun and cloud. 60 percent chance of showers early
in the morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Fog patches dissipating in the morning. Wind southwest
20 km/h increasing to 40 gusting to 60 in the afternoon. High 30.
Humidex 33. UV index 9 or very high.

Newmarket - Georgina - Northern York Region.
Today..Cloudy with 30 percent chance of showers early this morning
and risk of a thunderstorm. Clearing this morning. Fog patches
dissipating this morning. Wind becoming south 20 km/h gusting to 40
late this morning. High 30. Humidex 35. UV index 9 or very high. Tonight..Increasing cloudiness. 40 percent chance of showers this
evening. Showers beginning late this evening. Risk of a thunderstorm
this evening and overnight. Fog patches developing overnight. Wind
southwest 20 km/h. Low 19.
Tuesday..A mix of sun and cloud with 40 percent chance of showers.
Showers beginning late in the afternoon. Risk of a thunderstorm in
the morning and afternoon. Fog patches dissipating in the morning.
Wind southwest 20 km/h increasing to 40 gusting to 60 in the
afternoon. High 30. Humidex 33. UV index 9 or very high.

Pickering - Oshawa - Southern Durham Region.
Today..Cloudy with 30 percent chance of showers early this morning
then a mix of sun and cloud. Fog patches dissipating this morning.
Wind becoming south 20 km/h this afternoon. High 29. Humidex 33. UV
index 9 or very high.
Tonight..Increasing cloudiness. 60 percent chance of showers late
this evening and overnight with risk of a thunderstorm. Fog patches
developing overnight. Low 16.
Tuesday..A mix of sun and cloud with 70 percent chance of showers.
Risk of a thunderstorm. Fog patches dissipating in the morning. Wind
southwest 20 km/h. High 27. Humidex 30. UV index 9 or very high.

Uxbridge - Beaverton - Northern Durham Region.
Today..Mainly cloudy. 30 percent chance of showers early this
morning. Clearing this morning. Fog patches dissipating this
morning. Wind becoming south 30 km/h gusting to 50 this morning.
High 29. Humidex 34. UV index 9 or very high.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Fog patches developing overnight. Wind southwest
20 km/h gusting to 40 becoming light this evening. Wind becoming
southwest 20 after midnight. Low 18.
Tuesday..Mainly cloudy with 70 percent chance of showers. Risk of a
thunderstorm. Fog patches dissipating in the morning. Wind southwest
30 km/h becoming light in the morning. Wind becoming southwest 30 in
the afternoon. High 29. Humidex 33. UV index 9 or very high.

Goderich - Bluewater - Southern Huron County.
Today..Mainly sunny. Wind south 20 km/h gusting to 50 becoming
southwest 40 gusting to 60 late this afternoon. High 30. Humidex 35.
UV index 8 or very high.
Tonight..Cloudy. 40 percent chance of showers this evening. Showers
beginning near midnight. Risk of a thunderstorm this evening and
overnight. Fog patches developing overnight. Wind southwest 40 km/h
gusting to 60 becoming south 20 this evening. Low 18.
Tuesday..Showers ending early in the morning then cloudy with
40 percent chance of showers in the morning. Showers beginning late
in the afternoon. Risk of a thunderstorm. Fog patches dissipating in
the morning. Wind south 20 km/h becoming southwest 40 gusting to 60
in the afternoon. High 29. Humidex 33. UV index 8 or very high.

Wingham - Blyth - Northern Huron County.
Today..Mainly sunny. Wind becoming southwest 40 km/h gusting to 60
this morning. High 30. Humidex 35. UV index 8 or very high.
Tonight..Cloudy. 40 percent chance of showers this evening. Showers
beginning near midnight. Risk of a thunderstorm this evening and
overnight. Fog patches developing overnight. Wind southwest 40 km/h
gusting to 60 diminishing to 20 near midnight. Low 18.
Tuesday..Showers ending early in the morning then cloudy with
40 percent chance of showers in the morning. Showers beginning late
in the afternoon. Risk of a thunderstorm. Fog patches dissipating in
the morning. Wind southwest 30 km/h becoming west 50 gusting to 70
in the afternoon. High 28. Humidex 32. UV index 8 or very high.

Stratford - Mitchell - Southern Perth County.
Today..Sunny. Wind becoming southwest 20 km/h gusting to 50 this
morning then increasing to 40 gusting to 60 late this afternoon.
High 31. Humidex 36. UV index 9 or very high.
Tonight..Becoming cloudy this evening with 40 percent chance of
showers later this evening. Showers beginning near midnight. Risk of
a thunderstorm this evening and overnight. Fog patches developing
overnight. Wind southwest 40 km/h gusting to 60 diminishing to 20
late this evening. Low 19.
Tuesday..Showers ending early in the morning then a mix of sun and
cloud with 40 percent chance of showers in the morning. Showers
beginning late in the afternoon. Risk of a thunderstorm. Fog patches
dissipating in the morning. Wind south 30 km/h becoming southwest 50
gusting to 70 in the afternoon. High 29. Humidex 34. UV index 9 or
very high.

Listowel - Milverton - Northern Perth County.
Today..Mainly sunny. Wind becoming southwest 40 km/h gusting to 60
this morning. High 30. Humidex 35. UV index 9 or very high.
Tonight..Becoming cloudy this evening with 40 percent chance of
showers later this evening. Showers beginning near midnight. Risk of
a thunderstorm this evening and overnight. Fog patches developing
overnight. Wind southwest 40 km/h gusting to 60 diminishing to 20
late this evening. Low 19.
Tuesday..Showers ending early in the morning then a mix of sun and
cloud with 40 percent chance of showers in the morning. Showers
beginning late in the afternoon. Risk of a thunderstorm. Fog patches
dissipating in the morning. Wind south 30 km/h becoming southwest 50
gusting to 70 in the afternoon. High 29. Humidex 34. UV index 9 or
very high.

Kitchener - Cambridge - Region of Waterloo.
Today..Sunny. Wind becoming southwest 20 km/h gusting to 50 this
morning then increasing to 40 gusting to 60 late this afternoon.
High 31. Humidex 35. UV index 9 or very high.
Tonight..Increasing cloudiness. 40 percent chance of showers this
evening. Showers beginning near midnight. Risk of a thunderstorm
this evening and overnight. Fog patches developing overnight. Wind
southwest 40 km/h gusting to 60 diminishing to 20 gusting to 40 late
this evening. Low 19.
Tuesday..Showers ending early in the morning then a mix of sun and
cloud with 40 percent chance of showers in the morning. Showers
beginning late in the afternoon. Risk of a thunderstorm. Fog patches
dissipating in the morning. Wind southwest 20 km/h increasing to 40
gusting to 60 in the afternoon. High 29. Humidex 34. UV index 9 or
very high.

Guelph - Erin - Southern Wellington County.
Today..Sunny. Wind becoming southwest 30 km/h gusting to 50 this
morning. High 31. Humidex 35. UV index 9 or very high.
Tonight..Increasing cloudiness. 40 percent chance of showers this
evening. Showers beginning near midnight. Risk of a thunderstorm
this evening and overnight. Fog patches developing overnight. Wind
southwest 30 km/h gusting to 50. Low 18.
Tuesday..Showers ending early in the morning then a mix of sun and
cloud with 40 percent chance of showers in the morning. Showers
beginning late in the afternoon. Risk of a thunderstorm. Fog patches
dissipating in the morning. Wind southwest 20 km/h increasing to 40
gusting to 60 in the afternoon. High 30. Humidex 35. UV index 9 or
very high.

Mount Forest - Arthur - Northern Wellington County.
Today..Sunny. Becoming a mix of sun and cloud near noon. Wind
becoming southwest 40 km/h gusting to 60 this morning. High 29.
Humidex 34. UV index 9 or very high.
Tonight..Becoming cloudy this evening with 40 percent chance of
showers later this evening. Showers beginning near midnight. Risk of
a thunderstorm this evening and overnight. Fog patches developing
overnight. Wind southwest 40 km/h gusting to 60 diminishing to 20
this evening. Low 17.
Tuesday..Showers ending early in the morning then cloudy with
40 percent chance of showers in the morning. Showers beginning late
in the afternoon. Risk of a thunderstorm. Fog patches dissipating in
the morning. Wind southwest 20 km/h increasing to 40 gusting to 60
in the afternoon. High 26. Humidex 30. UV index 9 or very high.

Orangeville - Grand Valley - Southern Dufferin County.
Today..A mix of sun and cloud. 30 percent chance of showers early
this morning with risk of a thunderstorm. Fog patches dissipating
this morning. Wind becoming southwest 40 km/h gusting to 60 this
morning. High 29. Humidex 36. UV index 9 or very high.
Tonight..Increasing cloudiness. 40 percent chance of showers this
evening. Showers beginning late this evening. Risk of a thunderstorm
this evening and overnight. Fog patches developing overnight. Wind
southwest 40 km/h gusting to 60 diminishing to 20 gusting to 40 late
this evening. Low 18.
Tuesday..Mainly cloudy with 40 percent chance of showers. Showers
beginning late in the afternoon. Risk of a thunderstorm in the
morning and afternoon. Fog patches dissipating in the morning. Wind
southwest 30 km/h. High 30. Humidex 34. UV index 9 or very high.

Shelburne - Mansfield - Northern Dufferin County.
Today..A mix of sun and cloud. 30 percent chance of showers early
this morning with risk of a thunderstorm. Fog patches dissipating
this morning. Wind southwest 30 km/h gusting to 60. High 29. Humidex
36. UV index 9 or very high.
Tonight..Increasing cloudiness. 40 percent chance of showers this
evening. Showers beginning late this evening. Risk of a thunderstorm
this evening and overnight. Fog patches developing overnight. Wind
southwest 40 km/h gusting to 60 diminishing to 20 gusting to 40 near
midnight. Low 17.
Tuesday..Mainly cloudy with 40 percent chance of showers. Showers
beginning late in the afternoon. Risk of a thunderstorm in the
morning and afternoon. Fog patches dissipating in the morning. Wind
southwest 30 km/h. High 30. Humidex 34. UV index 9 or very high.

Innisfil - New Tecumseth - Angus.
Today..Mainly cloudy with 30 percent chance of showers early this
morning and risk of a thunderstorm. Clearing this morning. Fog
patches dissipating this morning. Wind south 20 km/h becoming light
this morning. Wind becoming southwest 30 gusting to 50 late this
morning. High 30. Humidex 37. UV index 9 or very high.
Tonight..Increasing cloudiness. 40 percent chance of showers this
evening. Showers beginning late this evening. Risk of a thunderstorm
this evening and overnight. Fog patches developing overnight. Wind
west 40 km/h gusting to 60 becoming southwest 20 late this evening
then light after midnight. Low 19.
Tuesday..A mix of sun and cloud with 40 percent chance of showers.
Showers beginning late in the afternoon. Risk of a thunderstorm in
the morning and afternoon. Fog patches dissipating in the morning.
Wind southwest 30 km/h. High 30. Humidex 34. UV index 9 or very
high.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..A mix of sun and cloud. 30 percent chance of showers early
this morning and late this afternoon. Risk of a thunderstorm. Wind
becoming south 30 km/h gusting to 60 this morning. High 26. Humidex
29. UV index 8 or very high.
Tonight..Cloudy. 30 percent chance of showers early this evening.
Showers beginning this evening. Risk of a thunderstorm this evening
and overnight. Fog patches developing overnight. Wind southwest
40 km/h gusting to 60 becoming south 20 late this evening. Low 14. Tuesday..Cloudy. 60 percent chance of showers in the morning. A few
showers beginning late in the afternoon. Risk of a thunderstorm. Fog
patches dissipating in the morning. Wind south 40 km/h gusting to
60. High 24. Humidex 27. UV index 3 or moderate.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..Mainly cloudy. 30 percent chance of showers early this morning
and late this afternoon. Risk of a thunderstorm. Wind south 30 km/h
gusting to 50. High 16. UV index 8 or very high.
Tonight..Cloudy. 30 percent chance of showers early this evening.
Showers beginning this evening. Risk of a thunderstorm this evening
and overnight. Fog patches developing overnight. Wind southwest
30 km/h gusting to 50 becoming light late this evening. Low 7. Tuesday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning late in the afternoon. Risk of a thunderstorm. Fog
patches dissipating in the morning. Wind becoming southwest 30 km/h
in the afternoon. High 13. UV index 3 or moderate.

Hanover - Dundalk - Southern Grey County.
Today..A mix of sun and cloud. 30 percent chance of showers early
this morning and late this afternoon. Risk of a thunderstorm. Wind
southwest 30 km/h gusting to 50. High 29. Humidex 34. UV index 9 or
very high.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning this evening. Risk of a thunderstorm this
evening and overnight. Fog patches developing overnight. Wind
southwest 30 km/h gusting to 50. Low 18.
Tuesday..Mainly cloudy. 60 percent chance of showers in the morning.
A few showers beginning late in the afternoon. Risk of a
thunderstorm. Fog patches dissipating in the morning. Wind southwest
20 km/h increasing to 40 gusting to 60 in the afternoon. High 27.
Humidex 31. UV index 9 or very high.

Owen Sound - Blue Mountains - Northern Grey County.
Today..A mix of sun and cloud. 30 percent chance of showers early
this morning and late this afternoon. Risk of a thunderstorm. Wind
becoming southwest 20 km/h gusting to 50 this morning then
increasing to 40 gusting to 60 late this afternoon. High 28. Humidex
33. UV index 8 or very high.
Tonight..Cloudy. 30 percent chance of showers early this evening.
Showers beginning this evening. Risk of a thunderstorm this evening
and overnight. Fog patches developing overnight. Wind southwest
40 km/h gusting to 60 diminishing to 20 this evening. Low 15.
Tuesday..Cloudy. 60 percent chance of showers in the morning. A few
showers beginning late in the afternoon. Risk of a thunderstorm. Fog
patches dissipating in the morning. Wind west 30 km/h becoming light
in the morning. Wind becoming southwest 40 gusting to 60 late in the
afternoon. High 24. Humidex 29. UV index 7 or high.

Barrie - Collingwood - Hillsdale.
Today..Cloudy with 30 percent chance of showers early this morning
and risk of a thunderstorm. Clearing this morning. Fog patches
dissipating this morning. Wind becoming south 20 km/h gusting to 40
late this morning. High 30. Humidex 33. UV index 9 or very high. Tonight..Mainly cloudy with 40 percent chance of showers this
evening. Showers beginning late this evening. Risk of a thunderstorm
this evening and overnight. Fog patches developing overnight. Wind
southwest 20 km/h gusting to 40 becoming northwest 20 this evening
then becoming southwest 20 after midnight. Low 18.
Tuesday..Mainly cloudy with 40 percent chance of showers. Showers
beginning late in the afternoon. Risk of a thunderstorm in the
morning and afternoon. Fog patches dissipating in the morning. Wind
southwest 20 km/h becoming light late in the morning. Wind becoming
west 30 late in the afternoon. High 30. Humidex 34. UV index 9 or
very high.

Midland - Coldwater - Orr Lake.
Today..A mix of sun and cloud. 30 percent chance of showers early
this morning with risk of a thunderstorm. Fog patches dissipating
this morning. Wind becoming southwest 30 km/h gusting to 50 late
this morning. High 27. Humidex 31. UV index 9 or very high.
Tonight..Becoming cloudy this evening with 40 percent chance of
showers later this evening. Showers beginning late this evening.
Risk of a thunderstorm this evening and overnight. Fog patches
developing overnight. Wind southwest 30 km/h gusting to 50 becoming
light late this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Showers beginning
late in the afternoon. Risk of a thunderstorm in the morning and
afternoon. Fog patches dissipating in the morning. Wind west 20 km/h
becoming light late in the morning. Wind becoming west 30 late in
the afternoon. High 27. Humidex 31. UV index 8 or very high.

Continued in next message...

--- up 2 days, 21 hours, 27 minutes
* Origin: Northern Realms (618:400/23)

FPCN11 CWTO 181500
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 11:00 a.m. EDT Monday 18 May 2026 for today
and Tuesday.
The next scheduled forecast will be issued at 3:30 p.m. EDT.

City of Toronto.
Today..Sunny. High 29. Humidex 34. UV index 9 or very high.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Fog patches developing overnight. Low 19.
Tuesday..Mainly cloudy. 60 percent chance of showers early in the
morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Fog patches dissipating in the morning. Wind southwest
30 km/h becoming light in the morning. Wind becoming southwest 30 in
the afternoon. High 30. Humidex 34. UV index 9 or very high.

Windsor - Leamington - Essex County.
Today..Increasing cloudiness this afternoon. Wind south 40 km/h
gusting to 60. High 32. Humidex 38. UV index 9 or very high.
Tonight..Mainly cloudy with 40 percent chance of showers and risk of
a thunderstorm. Wind south 40 km/h gusting to 60 becoming light this
evening. Wind becoming southwest 30 late this evening. Low 18.
Tuesday..Mainly sunny. Increasing cloudiness in the afternoon then a
few showers. Risk of a thunderstorm in the afternoon. Wind becoming
southwest 40 km/h gusting to 60 late in the morning. High 31.
Humidex 35. UV index 9 or very high.

Chatham-Kent - Rondeau Park.
Today..Sunny. Becoming a mix of sun and cloud this afternoon. Wind
south 40 km/h gusting to 60. High 31. Humidex 37. UV index 9 or very
high.
Tonight..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind south 40 km/h gusting to 60 becoming light this
evening. Wind becoming southwest 20 gusting to 40 late this evening.
Low 18.
Tuesday..A mix of sun and cloud. Becoming cloudy in the afternoon
with a few showers. Risk of a thunderstorm in the afternoon. Wind
becoming southwest 40 km/h gusting to 60 late in the morning.
High 31. Humidex 35. UV index 9 or very high.

Sarnia - Petrolia - Western Lambton County.
Today..Sunny. Becoming a mix of sun and cloud this afternoon. Wind
south 40 km/h gusting to 60. High 31. Humidex 36. UV index 9 or very
high.
Tonight..Mainly cloudy with 40 percent chance of showers and risk of
a thunderstorm. Wind south 40 km/h gusting to 60 becoming southwest
20 this evening. Low 18.
Tuesday..Mainly cloudy. 40 percent chance of showers early in the
morning. A few showers beginning in the afternoon. Risk of a
thunderstorm. Wind becoming southwest 40 km/h gusting to 60 in the
morning. High 31. Humidex 36. UV index 9 or very high.

Watford - Pinery Park - Eastern Lambton County.
Today..Sunny. Wind southwest 30 km/h gusting to 50. High 31. Humidex
36. UV index 9 or very high.
Tonight..Partly cloudy with 40 percent chance of showers and risk of
a thunderstorm. Wind west 30 km/h gusting to 50 becoming light late
this evening. Wind becoming southwest 20 after midnight. Low 19. Tuesday..Mainly cloudy. 40 percent chance of showers early in the
morning. A few showers beginning in the afternoon. Risk of a
thunderstorm. Wind southwest 30 km/h increasing to 50 gusting to 70
in the afternoon. High 31. Humidex 36. UV index 9 or very high.

Rodney - Shedden - Western Elgin County.
Today..Sunny. Wind southwest 30 km/h gusting to 50. High 30. Humidex
34. UV index 9 or very high.
Tonight..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind southwest 30 km/h gusting to 50. Low 19.
Tuesday..A mix of sun and cloud. 40 percent chance of showers early
in the morning. A few showers beginning in the afternoon. Risk of a
thunderstorm. Wind becoming southwest 40 km/h gusting to 60 late in
the morning. High 29. Humidex 34. UV index 9 or very high.

St. Thomas - Aylmer - Eastern Elgin County.
Today..Sunny. Wind southwest 20 km/h gusting to 40. High 30. Humidex
34. UV index 9 or very high.
Tonight..Mainly cloudy with 40 percent chance of showers and risk of
a thunderstorm. Wind southwest 20 km/h gusting to 40. Low 19.
Tuesday..A mix of sun and cloud. 40 percent chance of showers early
in the morning. A few showers beginning in the afternoon. Risk of a
thunderstorm. Wind becoming southwest 40 km/h gusting to 60 late in
the morning. High 29. Humidex 34. UV index 9 or very high.

Strathroy - Komoka - Western Middlesex County.
Today..Sunny. Wind south 40 km/h gusting to 60. High 31. Humidex 36.
UV index 9 or very high.
Tonight..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind south 40 km/h gusting to 60 becoming light this
evening. Wind becoming southwest 20 gusting to 40 late this evening.
Low 18.
Tuesday..A mix of sun and cloud. 40 percent chance of showers early
in the morning. A few showers beginning in the afternoon. Risk of a
thunderstorm. Wind southwest 20 km/h increasing to 50 gusting to 70
late in the morning. High 30. Humidex 35. UV index 9 or very high.

London - Parkhill - Eastern Middlesex County.
Today..Sunny. Wind southwest 20 km/h gusting to 40 becoming south 40
gusting to 60 this afternoon. High 30. Humidex 35. UV index 9 or
very high.
Tonight..Cloudy with 40 percent chance of showers and risk of a
thunderstorm. Wind south 40 km/h gusting to 60 becoming southwest 20
this evening. Low 18.
Tuesday..Mainly cloudy. 40 percent chance of showers early in the
morning. A few showers beginning in the afternoon. Risk of a
thunderstorm. Wind south 30 km/h becoming southwest 50 gusting to 70
in the afternoon. High 30. Humidex 35. UV index 9 or very high.

Simcoe - Delhi - Norfolk.
Today..Sunny. Wind southwest 30 km/h gusting to 50. High 30 except 19
along the lakeshore. Humidex 35. UV index 9 or very high.
Tonight..Increasing cloudiness early this evening. 40 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Wind southwest 30 km/h gusting to 50 becoming west 50
gusting to 90 this evening then southwest 20 after midnight. Low 19. Tuesday..A mix of sun and cloud. 40 percent chance of showers early
in the morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Wind southwest 40 km/h gusting to 60. High 29. Humidex
34. UV index 9 or very high.

Dunnville - Caledonia - Haldimand.
Today..Sunny. Wind southwest 30 km/h gusting to 50. High 30. Humidex
36. UV index 9 or very high.
Tonight..Increasing cloudiness early this evening. 40 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40 becoming light
late this evening. Wind becoming southwest 20 after midnight.
Low 18.
Tuesday..A mix of sun and cloud. 40 percent chance of showers early
in the morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Wind southwest 30 km/h. High 29. Humidex 34. UV
index 9 or very high.

Woodstock - Tillsonburg - Oxford County.
Today..Sunny. Wind southwest 40 km/h gusting to 60. High 30. Humidex
35. UV index 9 or very high.
Tonight..Becoming cloudy this evening with 40 percent chance of
showers late this evening and overnight. Risk of a thunderstorm late
this evening and overnight. Wind southwest 40 km/h gusting to 60
diminishing to 20 late this evening. Low 19.
Tuesday..Mainly cloudy. 40 percent chance of showers early in the
morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Wind southwest 30 km/h increasing to 50 gusting to 70
in the afternoon. High 30. Humidex 35. UV index 9 or very high.

Brantford - County of Brant.
Today..Sunny. Wind southwest 30 km/h gusting to 50. High 30. Humidex
35. UV index 9 or very high.
Tonight..Increasing cloudiness early this evening. 40 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Wind southwest 20 km/h gusting to 40 becoming light
late this evening. Wind becoming southwest 20 gusting to 40 after
midnight. Low 19.
Tuesday..Mainly cloudy. 40 percent chance of showers early in the
morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Wind southwest 30 km/h increasing to 50 gusting to 70
in the afternoon. High 30. Humidex 35. UV index 9 or very high.

Niagara Falls - Welland - Southern Niagara Region.
Today..Sunny. Wind southwest 30 km/h gusting to 50. High 30 except 22
along the lakeshore. Humidex 37. UV index 9 or very high.
Tonight..Increasing cloudiness. 40 percent chance of showers late
this evening and overnight with risk of a thunderstorm. Wind
becoming southwest 20 km/h before morning. Low 16.
Tuesday..A mix of sun and cloud. 40 percent chance of showers early
in the morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Wind southwest 30 km/h becoming light in the morning.
Wind becoming southwest 20 in the afternoon. High 29. Humidex 33. UV
index 9 or very high.

St. Catharines - Grimsby - Northern Niagara Region.
Today..Mainly sunny. Wind southwest 30 km/h gusting to 50. High 30.
Humidex 36. UV index 9 or very high.
Tonight..Clear this evening then partly cloudy with 40 percent chance
of showers late this evening and overnight. Risk of a thunderstorm
late this evening and overnight. Wind southwest 20 km/h gusting to
40 becoming light late this evening. Wind becoming southwest 20
before morning. Low 20.
Tuesday..A mix of sun and cloud. 40 percent chance of showers early
in the morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Wind southwest 30 km/h. High 29. Humidex 33. UV
index 9 or very high.

City of Hamilton.
Today..Mainly sunny. Wind southwest 30 km/h gusting to 50. High 30.
Humidex 35. UV index 9 or very high.
Tonight..Increasing cloudiness. 40 percent chance of showers late
this evening and overnight with risk of a thunderstorm. Wind
southwest 20 km/h gusting to 40 becoming light late this evening.
Wind becoming southwest 20 gusting to 40 after midnight. Low 18.
Tuesday..A mix of sun and cloud. 40 percent chance of showers early
in the morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Wind southwest 20 km/h increasing to 40 gusting to 60
in the afternoon. High 29. Humidex 33. UV index 9 or very high.

Burlington - Oakville.
Today..Sunny. Wind becoming southwest 30 km/h gusting to 50 this
afternoon. High 28. Humidex 32. UV index 9 or very high.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Fog patches developing overnight. Wind southwest
30 km/h gusting to 50 becoming light late this evening. Wind
becoming southwest 20 before morning. Low 18.
Tuesday..A mix of sun and cloud. 60 percent chance of showers early
in the morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Fog patches dissipating in the morning. Wind southwest
30 km/h becoming light in the morning. Wind becoming southwest 40
gusting to 60 in the afternoon. High 26. Humidex 30. UV index 9 or
very high.

Halton Hills - Milton.
Today..Sunny. Wind southwest 30 km/h gusting to 50. High 30. Humidex
35. UV index 9 or very high.
Tonight..Increasing cloudiness. 60 percent chance of showers late
this evening and overnight with risk of a thunderstorm. Fog patches
developing overnight. Wind west 30 km/h gusting to 50 becoming light
after midnight. Wind becoming southwest 20 before morning. Low 19. Tuesday..Mainly cloudy. 60 percent chance of showers early in the
morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Fog patches dissipating in the morning. Wind southwest
30 km/h becoming light in the morning. Wind becoming southwest 30 in
the afternoon. High 30. Humidex 34. UV index 9 or very high.

Mississauga - Brampton.
Today..Mainly sunny. Wind becoming southwest 30 km/h gusting to 50
late this afternoon. High 30. Humidex 35. UV index 9 or very high. Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Fog patches developing overnight. Wind southwest
30 km/h gusting to 50 becoming light late this evening. Wind
becoming southwest 20 before morning. Low 19.
Tuesday..Mainly cloudy. 60 percent chance of showers early in the
morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Fog patches dissipating in the morning. Wind southwest
30 km/h becoming light in the morning. Wind becoming southwest 30 in
the afternoon. High 30. Humidex 34. UV index 9 or very high.

Caledon.
Today..Sunny. Wind southwest 30 km/h gusting to 50. High 30. Humidex
35. UV index 9 or very high.
Tonight..Increasing cloudiness. 40 percent chance of showers this
evening. Showers beginning late this evening. Risk of a thunderstorm
this evening and overnight. Fog patches developing overnight. Wind
west 40 km/h gusting to 60 becoming southwest 20 after midnight.
Low 19.
Tuesday..A mix of sun and cloud with 40 percent chance of showers.
Showers beginning late in the afternoon. Risk of a thunderstorm in
the morning and afternoon. Fog patches dissipating in the morning.
Wind west 30 km/h. High 30. Humidex 34. UV index 9 or very high.

Vaughan - Richmond Hill - Markham.
Today..Sunny. Wind southwest 30 km/h gusting to 50. High 30. Humidex
35. UV index 9 or very high.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Fog patches developing overnight. Wind southwest
30 km/h gusting to 50 becoming light late this evening. Wind
becoming southwest 20 before morning. Low 19.
Tuesday..A mix of sun and cloud. 60 percent chance of showers early
in the morning. Showers beginning late in the afternoon. Risk of a
thunderstorm. Fog patches dissipating in the morning. Wind southwest
20 km/h increasing to 40 gusting to 60 in the afternoon. High 30.
Humidex 33. UV index 9 or very high.

Newmarket - Georgina - Northern York Region.
Today..Sunny. Wind south 20 km/h gusting to 40. High 30. Humidex 35.
UV index 9 or very high.
Tonight..Increasing cloudiness. 40 percent chance of showers this
evening. Showers beginning late this evening. Risk of a thunderstorm
this evening and overnight. Fog patches developing overnight. Wind
southwest 20 km/h. Low 19.
Tuesday..A mix of sun and cloud with 40 percent chance of showers.
Showers beginning late in the afternoon. Risk of a thunderstorm in
the morning and afternoon. Fog patches dissipating in the morning.
Wind southwest 20 km/h increasing to 40 gusting to 60 in the
afternoon. High 30. Humidex 33. UV index 9 or very high.

Pickering - Oshawa - Southern Durham Region.
Today..Mainly sunny. Wind becoming south 20 km/h this afternoon.
High 27. Humidex 31. UV index 9 or very high.
Tonight..Increasing cloudiness. 60 percent chance of showers late
this evening and overnight with risk of a thunderstorm. Fog patches
developing overnight. Low 16.
Tuesday..A mix of sun and cloud with 70 percent chance of showers.
Risk of a thunderstorm. Fog patches dissipating in the morning. Wind
southwest 20 km/h. High 27. Humidex 30. UV index 9 or very high.

Uxbridge - Beaverton - Northern Durham Region.
Today..Sunny. Wind south 30 km/h gusting to 50. High 29. Humidex 34.
UV index 9 or very high.
Tonight..Increasing cloudiness early this evening. 60 percent chance
of showers late this evening and overnight with risk of a
thunderstorm. Fog patches developing overnight. Wind southwest
20 km/h gusting to 40 becoming light this evening. Wind becoming
southwest 20 after midnight. Low 18.
Tuesday..Mainly cloudy with 70 percent chance of showers. Risk of a
thunderstorm. Fog patches dissipating in the morning. Wind southwest
30 km/h becoming light in the morning. Wind becoming southwest 30 in
the afternoon. High 29. Humidex 33. UV index 9 or very high.

Goderich - Bluewater - Southern Huron County.
Today..Sunny. Becoming a mix of sun and cloud this afternoon. Wind
southwest 40 km/h gusting to 60. High 30. Humidex 35. UV index 8 or
very high.
Tonight..Cloudy. 40 percent chance of showers this evening. Showers
beginning near midnight. Risk of a thunderstorm this evening and
overnight. Fog patches developing overnight. Wind southwest 40 km/h
gusting to 60 becoming south 20 this evening. Low 18.
Tuesday..Showers ending early in the morning then cloudy with
40 percent chance of showers in the morning. Showers beginning late
in the afternoon. Risk of a thunderstorm. Fog patches dissipating in
the morning. Wind south 20 km/h becoming southwest 40 gusting to 60
in the afternoon. High 29. Humidex 33. UV index 8 or very high.

Wingham - Blyth - Northern Huron County.
Today..A mix of sun and cloud. Wind southwest 40 km/h gusting to 60.
High 30. Humidex 35. UV index 8 or very high.
Tonight..Cloudy. 40 percent chance of showers this evening. Showers
beginning near midnight. Risk of a thunderstorm this evening and
overnight. Fog patches developing overnight. Wind southwest 40 km/h
gusting to 60 diminishing to 20 near midnight. Low 18.
Tuesday..Showers ending early in the morning then cloudy with
40 percent chance of showers in the morning. Showers beginning late
in the afternoon. Risk of a thunderstorm. Fog patches dissipating in
the morning. Wind southwest 30 km/h becoming west 50 gusting to 70
in the afternoon. High 28. Humidex 32. UV index 8 or very high.

Stratford - Mitchell - Southern Perth County.
Today..Sunny. Wind southwest 20 km/h gusting to 50 increasing to 40
gusting to 60 late this afternoon. High 31. Humidex 36. UV index 9
or very high.
Tonight..Cloudy. 40 percent chance of showers this evening. Showers
beginning near midnight. Risk of a thunderstorm this evening and
overnight. Fog patches developing overnight. Wind southwest 40 km/h
gusting to 60 diminishing to 20 late this evening. Low 19.
Tuesday..Showers ending early in the morning then a mix of sun and
cloud with 40 percent chance of showers in the morning. Showers
beginning late in the afternoon. Risk of a thunderstorm. Fog patches
dissipating in the morning. Wind south 30 km/h becoming southwest 50
gusting to 70 in the afternoon. High 29. Humidex 34. UV index 9 or
very high.

Listowel - Milverton - Northern Perth County.
Today..Mainly sunny. Wind southwest 40 km/h gusting to 60. High 28.
Humidex 33. UV index 9 or very high.
Tonight..Cloudy. 40 percent chance of showers this evening. Showers
beginning near midnight. Risk of a thunderstorm this evening and
overnight. Fog patches developing overnight. Wind southwest 40 km/h
gusting to 60 diminishing to 20 late this evening. Low 19.
Tuesday..Showers ending early in the morning then a mix of sun and
cloud with 40 percent chance of showers in the morning. Showers
beginning late in the afternoon. Risk of a thunderstorm. Fog patches
dissipating in the morning. Wind south 30 km/h becoming southwest 50
gusting to 70 in the afternoon. High 29. Humidex 34. UV index 9 or
very high.

Kitchener - Cambridge - Region of Waterloo.
Today..Sunny. Wind southwest 40 km/h gusting to 60. High 31. Humidex
35. UV index 9 or very high.
Tonight..Mainly cloudy. 40 percent chance of showers this evening.
Showers beginning near midnight. Risk of a thunderstorm this evening
and overnight. Fog patches developing overnight. Wind southwest
40 km/h gusting to 60 diminishing to 20 gusting to 40 late this
evening. Low 19.
Tuesday..Showers ending early in the morning then a mix of sun and
cloud with 40 percent chance of showers in the morning. Showers
beginning late in the afternoon. Risk of a thunderstorm. Fog patches
dissipating in the morning. Wind southwest 20 km/h increasing to 40
gusting to 60 in the afternoon. High 29. Humidex 34. UV index 9 or
very high.

Guelph - Erin - Southern Wellington County.
Today..Sunny. Wind southwest 30 km/h gusting to 50. High 31. Humidex
35. UV index 9 or very high.
Tonight..Mainly cloudy with 40 percent chance of showers this
evening. Showers beginning near midnight. Risk of a thunderstorm
this evening and overnight. Fog patches developing overnight. Wind
southwest 30 km/h gusting to 50. Low 18.
Tuesday..Showers ending early in the morning then a mix of sun and
cloud with 40 percent chance of showers in the morning. Showers
beginning late in the afternoon. Risk of a thunderstorm. Fog patches
dissipating in the morning. Wind southwest 20 km/h increasing to 40
gusting to 60 in the afternoon. High 30. Humidex 35. UV index 9 or
very high.

Mount Forest - Arthur - Northern Wellington County.
Today..A mix of sun and cloud. Wind southwest 20 km/h gusting to 50
increasing to 40 gusting to 60 late this afternoon. High 28. Humidex
33. UV index 9 or very high.
Tonight..Cloudy. 40 percent chance of showers this evening. Showers
beginning near midnight. Risk of a thunderstorm this evening and
overnight. Fog patches developing overnight. Wind southwest 40 km/h
gusting to 60 diminishing to 20 this evening. Low 17.
Tuesday..Showers ending early in the morning then cloudy with
40 percent chance of showers in the morning. Showers beginning late
in the afternoon. Risk of a thunderstorm. Fog patches dissipating in
the morning. Wind southwest 20 km/h increasing to 40 gusting to 60
in the afternoon. High 26. Humidex 30. UV index 9 or very high.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Mainly sunny. Wind southwest 40 km/h gusting to 60. High 29.
Humidex 36. UV index 9 or very high.
Tonight..Increasing cloudiness. 40 percent chance of showers this
evening. Showers beginning late this evening. Risk of a thunderstorm
this evening and overnight. Fog patches developing overnight. Wind
southwest 40 km/h gusting to 60 diminishing to 20 gusting to 40 late
this evening. Low 18.
Tuesday..Mainly cloudy with 40 percent chance of showers. Showers
beginning late in the afternoon. Risk of a thunderstorm in the
morning and afternoon. Fog patches dissipating in the morning. Wind
southwest 30 km/h. High 30. Humidex 34. UV index 9 or very high.

Shelburne - Mansfield - Northern Dufferin County.
Today..Mainly sunny. Wind southwest 30 km/h gusting to 60. High 29.
Humidex 36. UV index 9 or very high.
Tonight..Increasing cloudiness. 40 percent chance of showers this
evening. Showers beginning late this evening. Risk of a thunderstorm
this evening and overnight. Fog patches developing overnight. Wind
southwest 40 km/h gusting to 60 diminishing to 20 gusting to 40 near
midnight. Low 17.
Tuesday..Mainly cloudy with 40 percent chance of showers. Showers
beginning late in the afternoon. Risk of a thunderstorm in the
morning and afternoon. Fog patches dissipating in the morning. Wind
southwest 30 km/h. High 30. Humidex 34. UV index 9 or very high.

Innisfil - New Tecumseth - Angus.
Today..Mainly sunny. Wind southwest 30 km/h gusting to 50. High 30.
Humidex 37. UV index 9 or very high.
Tonight..Increasing cloudiness. 40 percent chance of showers this
evening. Showers beginning late this evening. Risk of a thunderstorm
this evening and overnight. Fog patches developing overnight. Wind
west 40 km/h gusting to 60 becoming southwest 20 late this evening
then light after midnight. Low 19.
Tuesday..A mix of sun and cloud with 40 percent chance of showers.
Showers beginning late in the afternoon. Risk of a thunderstorm in
the morning and afternoon. Fog patches dissipating in the morning.
Wind southwest 30 km/h. High 30. Humidex 34. UV index 9 or very
high.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind south 30 km/h gusting to
60. High 27. Humidex 30. UV index 8 or very high.
Tonight..Cloudy. 40 percent chance of showers early this evening.
Showers beginning this evening. Risk of a thunderstorm this evening
and overnight. Fog patches developing overnight. Wind southwest
40 km/h gusting to 60 becoming south 20 late this evening. Low 14. Tuesday..Cloudy. 60 percent chance of showers in the morning. A few
showers beginning late in the afternoon. Risk of a thunderstorm. Fog
patches dissipating in the morning. Wind south 40 km/h gusting to
60. High 24. Humidex 27. UV index 3 or moderate.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..A mix of sun and cloud. Becoming cloudy this afternoon with
30 percent chance of showers late this afternoon. Risk of a
thunderstorm late this afternoon. Wind southwest 30 km/h gusting to
50. High 20. UV index 8 or very high.
Tonight..Cloudy. 30 percent chance of showers early this evening.
Showers beginning this evening. Risk of a thunderstorm this evening
and overnight. Fog patches developing overnight. Wind southwest
30 km/h gusting to 50 becoming light late this evening. Low 7. Tuesday..Cloudy. 40 percent chance of showers in the morning. A few
showers beginning late in the afternoon. Risk of a thunderstorm. Fog
patches dissipating in the morning. Wind becoming southwest 30 km/h
in the afternoon. High 13. UV index 3 or moderate.

Hanover - Dundalk - Southern Grey County.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind southwest 30 km/h
gusting to 50. High 28. Humidex 33. UV index 9 or very high.
Tonight..Mainly cloudy. 40 percent chance of showers early this
evening. Showers beginning this evening. Risk of a thunderstorm this
evening and overnight. Fog patches developing overnight. Wind
southwest 30 km/h gusting to 50. Low 18.
Tuesday..Mainly cloudy. 60 percent chance of showers in the morning.
A few showers beginning late in the afternoon. Risk of a
thunderstorm. Fog patches dissipating in the morning. Wind southwest
20 km/h increasing to 40 gusting to 60 in the afternoon. High 27.
Humidex 31. UV index 9 or very high.

Owen Sound - Blue Mountains - Northern Grey County.
Today..A mix of sun and cloud. 40 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind southwest 20 km/h
gusting to 50 increasing to 40 gusting to 60 late this afternoon.
High 27. Humidex 32. UV index 8 or very high.
Tonight..Cloudy. 40 percent chance of showers early this evening.
Showers beginning this evening. Risk of a thunderstorm this evening
and overnight. Fog patches developing overnight. Wind southwest
40 km/h gusting to 60 diminishing to 20 this evening. Low 15.
Tuesday..Cloudy. 60 percent chance of showers in the morning. A few
showers beginning late in the afternoon. Risk of a thunderstorm. Fog
patches dissipating in the morning. Wind west 30 km/h becoming light
in the morning. Wind becoming southwest 40 gusting to 60 late in the
afternoon. High 24. Humidex 29. UV index 7 or high.

Barrie - Collingwood - Hillsdale.
Today..A mix of sun and cloud. Wind south 20 km/h gusting to 40.
High 30. Humidex 34. UV index 9 or very high.
Tonight..Mainly cloudy. 40 percent chance of showers this evening.
Showers beginning late this evening. Risk of a thunderstorm this
evening and overnight. Fog patches developing overnight. Wind
southwest 20 km/h gusting to 40 becoming northwest 20 this evening
then becoming southwest 20 after midnight. Low 18.
Tuesday..Mainly cloudy with 40 percent chance of showers. Showers
beginning late in the afternoon. Risk of a thunderstorm in the
morning and afternoon. Fog patches dissipating in the morning. Wind
southwest 20 km/h becoming light late in the morning. Wind becoming
west 30 late in the afternoon. High 30. Humidex 34. UV index 9 or
very high.

Midland - Coldwater - Orr Lake.
Today..A mix of sun and cloud. Wind southwest 30 km/h gusting to 50.
High 27. Humidex 31. UV index 9 or very high.
Tonight..Becoming cloudy this evening with 40 percent chance of
showers later this evening. Showers beginning late this evening.
Risk of a thunderstorm this evening and overnight. Fog patches
developing overnight. Wind southwest 30 km/h gusting to 50 becoming
light late this evening. Low 15.
Tuesday..Cloudy with 40 percent chance of showers. Showers beginning
late in the afternoon. Risk of a thunderstorm in the morning and
afternoon. Fog patches dissipating in the morning. Wind west 20 km/h
becoming light late in the morning. Wind becoming west 30 late in
the afternoon. High 27. Humidex 31. UV index 8 or very high.

Orillia - Lagoon City - Washago.
Today..A mix of sun and cloud. Wind south 30 km/h gusting to 50.
High 27. Humidex 31. UV index 9 or very high.
Tonight..Mainly cloudy with 40 percent chance of showers this
evening. Showers beginning late this evening. Risk of a thunderstorm
this evening and overnight. Fog patches developing overnight. Wind
south 30 km/h gusting to 50 becoming northwest 20 then south 30 late
this evening. Low 17.
Tuesday..Cloudy with 40 percent chance of showers. Showers beginning
late in the afternoon. Risk of a thunderstorm in the morning and
afternoon. Fog patches dissipating in the morning. Wind west 20 km/h
becoming light late in the morning. Wind becoming west 30 late in
the afternoon. High 27. Humidex 32. UV index 8 or very high.

Cobourg - Colborne - Western Northumberland County.
Today..Sunny. High 27. Humidex 32. UV index 9 or very high.
Tonight..Clear. Increasing cloudiness late this evening then
60 percent chance of showers late this evening and overnight. Risk
of a thunderstorm late this evening and overnight. Fog patches
developing overnight. Low 14.
Tuesday..A mix of sun and cloud with 70 percent chance of showers.
Risk of a thunderstorm. Fog patches dissipating in the morning. Wind
southwest 30 km/h. High 28. Humidex 33. UV index 8 or very high.

Belleville - Quinte West - Eastern Northumberland County.
Today..Sunny. High 27. Humidex 32. UV index 9 or very high.
Tonight..Clear. Increasing cloudiness late this evening then
60 percent chance of showers late this evening and overnight. Risk
of a thunderstorm late this evening and overnight. Fog patches
developing overnight. Low 14.
Tuesday..A mix of sun and cloud with 70 percent chance of showers.
Risk of a thunderstorm. Fog patches dissipating in the morning. Wind
southwest 30 km/h. High 28. Humidex 33. UV index 8 or very high.

Picton - Sandbanks Park.
Today..Sunny. High 27 except 17 along the lakeshore. Humidex 32. UV
index 9 or very high.
Tonight..Clear this evening then partly cloudy with 60 percent chance
of showers late this evening and overnight. Risk of a thunderstorm
late this evening and overnight. Low 14.
Tuesday..A mix of sun and cloud. 60 percent chance of showers in the
morning. Showers beginning late in the afternoon. Risk of a
thunderstorm in the morning. Wind southwest 30 km/h. High 28.
Humidex 33. UV index 8 or very high.

Napanee - Consecon.
Today..Sunny. High 27. Humidex 32. UV index 9 or very high.
Tonight..Clear this evening then partly cloudy with 60 percent chance
of showers late this evening and overnight. Risk of a thunderstorm
late this evening and overnight. Low 14.
Tuesday..A mix of sun and cloud. 60 percent chance of showers in the
morning. Showers beginning late in the afternoon. Risk of a
thunderstorm in the morning. Wind southwest 30 km/h. High 28.
Humidex 33. UV index 8 or very high.

Continued in next message...

--- up 3 days, 3 hours, 27 minutes
* Origin: Northern Realms (618:400/23)

FPCN11 CWTO 190900
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 5:00 a.m. EDT Tuesday 19 May 2026 for today
and Wednesday.
The next scheduled forecast will be issued at 11:00 a.m. EDT.

City of Toronto.
Today..Mainly cloudy. 30 percent chance of showers changing to
70 percent chance of showers this afternoon. Risk of a thunderstorm
late this afternoon. Wind becoming west 30 km/h gusting to 50 this
morning. High 29. Humidex 34. UV index 9 or very high.
Tonight..Mainly cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40
becoming light late this evening. Wind becoming northwest 20 gusting
to 40 overnight. Low 10.
Wednesday..Clearing in the morning. Wind northwest 20 km/h. High 18.
UV index 9 or very high.

Windsor - Leamington - Essex County.
Today..Becoming cloudy this morning with 30 percent chance of showers
late this morning and early this afternoon. Showers beginning this
afternoon. Risk of a thunderstorm late this afternoon. Wind becoming
southwest 20 km/h gusting to 40 then increasing to 40 gusting to 60
late this morning. High 30. Humidex 38. UV index 6 or high.
Tonight..Showers ending late this evening then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 20 km/h gusting to 40 becoming light late this evening.
Wind becoming north 20 gusting to 40 after midnight. Low 12.
Wednesday..Mainly cloudy. Wind northeast 20 km/h becoming light in
the morning. High 18. UV index 8 or very high.

Chatham-Kent - Rondeau Park.
Today..Becoming cloudy this morning with 30 percent chance of showers
late this morning and early this afternoon. Showers beginning this
afternoon. Risk of a thunderstorm late this afternoon. Wind becoming
southwest 20 km/h gusting to 40 then increasing to 40 gusting to 60
late this morning. High 30. Humidex 38. UV index 6 or high.
Tonight..Showers ending late this evening then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 20 km/h gusting to 40 becoming light late this evening.
Wind becoming north 20 gusting to 40 after midnight. Low 9. Wednesday..Clearing in the morning. Wind becoming north 30 km/h late
in the morning. High 14. UV index 9 or very high.

Sarnia - Petrolia - Western Lambton County.
Today..Mainly cloudy. 30 percent chance of showers late this morning
and early this afternoon. Showers beginning this afternoon. Risk of
a thunderstorm late this afternoon. Wind becoming south 20 km/h
gusting to 40 then southwest 40 gusting to 60 late this morning.
High 30. Humidex 36. UV index 6 or high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 20 km/h gusting to 40 becoming light late this evening.
Wind becoming north 20 gusting to 40 after midnight. Low 9. Wednesday..Clearing in the morning. Wind north 30 km/h. High 11. UV
index 9 or very high.

Watford - Pinery Park - Eastern Lambton County.
Today..Mainly cloudy. 30 percent chance of showers late this morning
and early this afternoon. Showers beginning this afternoon. Risk of
a thunderstorm late this afternoon. Wind becoming south 20 km/h
gusting to 40 then southwest 40 gusting to 60 late this morning.
High 30. Humidex 38. UV index 6 or high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 20 km/h gusting to 40 becoming light late this evening.
Wind becoming north 20 gusting to 40 after midnight. Low 8.
Wednesday..A mix of sun and cloud. Wind north 30 km/h. High 10. UV
index 9 or very high.

Rodney - Shedden - Western Elgin County.
Today..Mainly cloudy. 30 percent chance of showers late this morning
and early this afternoon. Showers beginning this afternoon. Risk of
a thunderstorm late this afternoon. Wind becoming south 20 km/h
gusting to 40 then southwest 40 gusting to 60 late this morning.
High 29. Humidex 37. UV index 6 or high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 20 km/h gusting to 40 becoming light late this evening.
Wind becoming north 20 gusting to 40 after midnight. Low 8. Wednesday..Clearing in the morning. Wind north 30 km/h. High 13. UV
index 9 or very high.

St. Thomas - Aylmer - Eastern Elgin County.
Today..Mainly cloudy. 30 percent chance of showers late this morning
and early this afternoon. Showers beginning this afternoon. Risk of
a thunderstorm late this afternoon. Wind becoming south 20 km/h
gusting to 40 then southwest 40 gusting to 60 late this morning.
High 29. Humidex 37. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 20 km/h gusting to 40 becoming light late this evening.
Wind becoming north 20 gusting to 40 after midnight. Low 8. Wednesday..Clearing in the morning. Wind north 30 km/h. High 13. UV
index 9 or very high.

Strathroy - Komoka - Western Middlesex County.
Today..Becoming cloudy this morning with 30 percent chance of showers
late this morning and early this afternoon. Showers beginning this
afternoon. Risk of a thunderstorm late this afternoon. Wind becoming
south 20 km/h gusting to 40 then southwest 40 gusting to 60 late
this morning. High 30. Humidex 38. UV index 6 or high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 20 km/h gusting to 40 becoming light late this evening.
Wind becoming north 20 gusting to 40 after midnight. Low 8.
Wednesday..Mainly sunny. Wind northwest 30 km/h. High 12. UV index 9
or very high.

London - Parkhill - Eastern Middlesex County.
Today..Mainly cloudy. 30 percent chance of showers late this morning
and early this afternoon. Showers beginning this afternoon. Risk of
a thunderstorm late this afternoon. Wind becoming south 20 km/h
gusting to 40 then southwest 40 gusting to 60 late this morning.
High 30. Humidex 37. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 20 km/h gusting to 40 becoming light late this evening.
Wind becoming north 20 gusting to 40 after midnight. Low 7. Wednesday..Clearing in the morning. Wind northwest 30 km/h. High 11.
UV index 9 or very high.

Simcoe - Delhi - Norfolk.
Today..Mainly cloudy. 30 percent chance of showers late this morning
and this afternoon. Showers beginning late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming southwest 20 km/h
gusting to 40 then increasing to 40 gusting to 70 late this morning.
High 29. Humidex 34. UV index 9 or very high.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening and after
midnight. Wind southwest 40 km/h gusting to 70 diminishing to 20
gusting to 40 this evening then becoming northwest 20 gusting to 40
after midnight. Low 9.
Wednesday..Cloudy with 40 percent chance of showers early in the
morning. Clearing in the morning. Wind becoming northwest 30 km/h
late in the morning. High 16. UV index 9 or very high.

Dunnville - Caledonia - Haldimand.
Today..A mix of sun and cloud. 30 percent chance of showers late this
morning and this afternoon. Showers beginning late this afternoon.
Risk of a thunderstorm late this afternoon. Wind becoming southwest
20 km/h gusting to 40 then increasing to 40 gusting to 70 late this
morning. High 29. Humidex 35. UV index 9 or very high.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening and after
midnight. Wind southwest 40 km/h gusting to 70 diminishing to 20
gusting to 40 this evening then becoming northwest 20 gusting to 40
after midnight. Low 10.
Wednesday..Cloudy with 40 percent chance of showers early in the
morning. Clearing in the morning. Wind northwest 20 km/h. High 16.
UV index 9 or very high.

Woodstock - Tillsonburg - Oxford County.
Today..Mainly cloudy. 30 percent chance of showers late this morning
and this afternoon. Showers beginning late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming southwest 20 km/h
gusting to 40 then increasing to 40 gusting to 70 late this morning.
High 30. Humidex 36. UV index 9 or very high.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening and after
midnight. Wind southwest 40 km/h gusting to 70 diminishing to 20
gusting to 40 this evening then becoming northwest 20 gusting to 40
after midnight. Low 7.
Wednesday..Mainly cloudy with 40 percent chance of showers early in
the morning. Clearing in the morning. Wind northwest 30 km/h.
High 16. UV index 9 or very high.

Brantford - County of Brant.
Today..Mainly cloudy. 30 percent chance of showers late this morning
and this afternoon. Showers beginning late this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming southwest 20 km/h
gusting to 40 then increasing to 40 gusting to 70 late this morning.
High 30. Humidex 36. UV index 9 or very high.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening and after
midnight. Wind southwest 40 km/h gusting to 70 diminishing to 20
gusting to 40 this evening then becoming northwest 20 gusting to 40
after midnight. Low 7.
Wednesday..Mainly cloudy with 40 percent chance of showers early in
the morning. Clearing in the morning. Wind northwest 30 km/h.
High 16. UV index 9 or very high.

Niagara Falls - Welland - Southern Niagara Region.
Today..Becoming a mix of sun and cloud this morning with 30 percent
chance of showers late this morning and this afternoon. Showers
beginning late this afternoon. Risk of a thunderstorm late this
afternoon. Wind becoming southwest 20 km/h gusting to 40 then
increasing to 40 gusting to 70 late this morning. High 29. Humidex
36. UV index 9 or very high.
Tonight..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening
and after midnight. Wind southwest 40 km/h gusting to 70 diminishing
to 20 gusting to 40 this evening then becoming northwest 20 gusting
to 40 after midnight. Low 10.
Wednesday..Cloudy with 40 percent chance of showers early in the
morning. Clearing in the morning. Wind northwest 20 km/h becoming
light in the afternoon. High 16. UV index 9 or very high.

St. Catharines - Grimsby - Northern Niagara Region.
Today..Becoming a mix of sun and cloud this morning with 30 percent
chance of showers late this morning and this afternoon. Showers
beginning late this afternoon. Risk of a thunderstorm late this
afternoon. Wind becoming southwest 20 km/h gusting to 40 then
increasing to 40 gusting to 70 late this morning. High 30. Humidex
37. UV index 9 or very high.
Tonight..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening
and after midnight. Wind southwest 40 km/h gusting to 70 diminishing
to 20 gusting to 40 this evening then becoming northwest 20 gusting
to 40 after midnight. Low 13.
Wednesday..Cloudy with 40 percent chance of showers early in the
morning. Clearing in the morning. Wind west 20 km/h becoming light
in the afternoon. High 17. UV index 9 or very high.

City of Hamilton.
Today..A mix of sun and cloud. 30 percent chance of showers late this
morning and this afternoon. Showers beginning late this afternoon.
Risk of a thunderstorm late this afternoon. Wind becoming southwest
20 km/h gusting to 40 then increasing to 40 gusting to 70 late this
morning. High 30. Humidex 35. UV index 9 or very high.
Tonight..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening
and after midnight. Wind southwest 40 km/h gusting to 70 diminishing
to 20 gusting to 40 this evening then becoming northwest 20 gusting
to 40 after midnight. Low 10.
Wednesday..Mainly cloudy with 40 percent chance of showers early in
the morning. Clearing in the morning. Wind northwest 20 km/h
becoming light in the afternoon. High 16. UV index 9 or very high.

Burlington - Oakville.
Today..A mix of sun and cloud. 30 percent chance of showers changing
to 70 percent chance of showers this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming west 30 km/h gusting
to 50 this morning. High 29. Humidex 34. UV index 9 or very high. Tonight..Mainly cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40
becoming light late this evening. Wind becoming northwest 20 gusting
to 40 overnight. Low 11.
Wednesday..Clearing in the morning. Wind northwest 20 km/h becoming
light late in the morning. High 15. UV index 9 or very high.

Halton Hills - Milton.
Today..Mainly cloudy. 30 percent chance of showers changing to
70 percent chance of showers this afternoon. Risk of a thunderstorm
late this afternoon. Wind becoming west 30 km/h gusting to 50 this
morning. High 30. Humidex 35. UV index 8 or very high.
Tonight..Mainly cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40
becoming light late this evening. Wind becoming northwest 20 gusting
to 40 overnight. Low 9.
Wednesday..A mix of sun and cloud. Becoming sunny late in the
morning. Wind northwest 20 km/h becoming light late in the morning.
High 17. UV index 9 or very high.

Mississauga - Brampton.
Today..Mainly cloudy. 30 percent chance of showers changing to
70 percent chance of showers this afternoon. Risk of a thunderstorm
late this afternoon. Wind becoming west 30 km/h gusting to 50 this
morning. High 30. Humidex 35. UV index 9 or very high.
Tonight..Mainly cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40
becoming light late this evening. Wind becoming northwest 20 gusting
to 40 overnight. Low 9.
Wednesday..A mix of sun and cloud. Becoming sunny late in the
morning. Wind northwest 20 km/h becoming light late in the morning.
High 17. UV index 9 or very high.

Caledon.
Today..Cloudy with 40 percent chance of showers. Showers beginning
late this afternoon. Risk of a thunderstorm late this afternoon.
Wind becoming south 20 km/h gusting to 40 this morning then
southwest 40 gusting to 60 near noon. High 29. Humidex 36. UV
index 8 or very high.
Tonight..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening
and after midnight. Wind southwest 40 km/h gusting to 60 diminishing
to 20 gusting to 40 this evening then becoming northwest 20 gusting
to 40 after midnight. Low 8.
Wednesday..Mainly sunny. High 15. UV index 8 or very high.

Vaughan - Richmond Hill - Markham.
Today..Mainly cloudy. 30 percent chance of showers changing to
70 percent chance of showers this afternoon. Risk of a thunderstorm
late this afternoon. Wind becoming west 30 km/h gusting to 50 this
morning. High 30. Humidex 36. UV index 9 or very high.
Tonight..Mainly cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40
becoming light late this evening. Wind becoming northwest 20 gusting
to 40 overnight. Low 8.
Wednesday..Clearing early in the morning. Wind northwest 20 km/h.
High 15. UV index 9 or very high.

Newmarket - Georgina - Northern York Region.
Today..Cloudy with 40 percent chance of showers. Showers beginning
late this afternoon. Risk of a thunderstorm late this afternoon.
Wind becoming south 20 km/h gusting to 40 this morning then
southwest 40 gusting to 60 near noon. High 29. Humidex 35. UV
index 8 or very high.
Tonight..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening
and after midnight. Wind southwest 40 km/h gusting to 60 diminishing
to 20 gusting to 40 this evening then becoming northwest 20 gusting
to 40 after midnight. Low 8.
Wednesday..Clearing early in the morning. Wind northwest 20 km/h.
High 14. UV index 9 or very high.

Pickering - Oshawa - Southern Durham Region.
Today..Mainly cloudy. 30 percent chance of showers changing to
70 percent chance of showers this afternoon. Risk of a thunderstorm
late this afternoon. Wind west 30 km/h gusting to 50. High 27.
Humidex 32. UV index 9 or very high.
Tonight..Mainly cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind west 30 km/h gusting to 50 becoming
light late this evening. Wind becoming north 20 gusting to 40 after
midnight. Low 10.
Wednesday..Clearing in the morning. Wind becoming northwest 20 km/h
in the morning. High 15. UV index 9 or very high.

Uxbridge - Beaverton - Northern Durham Region.
Today..Cloudy with 60 percent chance of showers. Risk of a
thunderstorm late this afternoon. Fog patches dissipating this
morning. Wind becoming southwest 20 km/h gusting to 40 this morning.
High 28. Humidex 33. UV index 8 or very high.
Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 20 km/h gusting to 40
becoming light this evening. Wind becoming north 20 gusting to 40
after midnight. Low 7.
Wednesday..A mix of sun and cloud. Becoming sunny in the afternoon.
Wind northwest 20 km/h. High 13. UV index 8 or very high.

Goderich - Bluewater - Southern Huron County.
Today..Cloudy. 30 percent chance of showers late this morning and
early this afternoon. Showers beginning this afternoon. Risk of a
thunderstorm late this afternoon. Fog patches dissipating this
morning. Wind becoming southwest 20 km/h gusting to 40 then
increasing to 40 gusting to 60 late this morning. High 28. Humidex
36. UV index 6 or high.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind west
20 km/h gusting to 40 becoming light this evening. Wind becoming
northwest 20 gusting to 40 after midnight. Low plus 5.
Wednesday..Sunny. Wind northwest 40 km/h gusting to 60. High 10. UV
index 8 or very high.

Wingham - Blyth - Northern Huron County.
Today..Cloudy. 30 percent chance of showers late this morning and
early this afternoon. Showers beginning this afternoon. Risk of a
thunderstorm late this afternoon. Fog patches dissipating this
morning. Wind becoming southwest 20 km/h gusting to 40 then
increasing to 40 gusting to 60 late this morning. High 28. Humidex
36. UV index 6 or high.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind west
20 km/h gusting to 40 becoming light this evening. Wind becoming
northwest 20 gusting to 40 after midnight. Low plus 5.
Wednesday..Sunny. Wind northwest 40 km/h gusting to 60. High 10. UV
index 8 or very high.

Stratford - Mitchell - Southern Perth County.
Today..Mainly cloudy. 30 percent chance of showers late this morning
and early this afternoon. Showers beginning this afternoon. Risk of
a thunderstorm late this afternoon. Wind becoming southwest 20 km/h
gusting to 40 then increasing to 40 gusting to 60 late this morning.
High 30. Humidex 38. UV index 8 or very high.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind west
20 km/h gusting to 40 becoming light this evening. Wind becoming
northwest 20 gusting to 40 after midnight. Low plus 5.
Wednesday..Mainly sunny. Wind northwest 30 km/h. High 12. UV index 9
or very high.

Listowel - Milverton - Northern Perth County.
Today..Cloudy. 30 percent chance of showers late this morning and
early this afternoon. Showers beginning this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming southwest 20 km/h
gusting to 40 then increasing to 40 gusting to 60 late this morning.
High 27. Humidex 34. UV index 6 or high.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind west
20 km/h gusting to 40 becoming light this evening. Wind becoming
northwest 20 gusting to 40 after midnight. Low plus 5.
Wednesday..Mainly sunny. Wind northwest 30 km/h. High 11. UV index 8
or very high.

Kitchener - Cambridge - Region of Waterloo.
Today..Mainly cloudy. 30 percent chance of showers late this morning
and early this afternoon. Showers beginning this afternoon. Risk of
a thunderstorm late this afternoon. Wind becoming southwest 20 km/h
gusting to 40 then increasing to 40 gusting to 60 late this morning.
High 29. Humidex 34. UV index 8 or very high.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind west
20 km/h gusting to 40 becoming light this evening. Wind becoming
northwest 20 gusting to 40 after midnight. Low 6.
Wednesday..Mainly sunny. Wind northwest 20 km/h. High 15. UV index 9
or very high.

Guelph - Erin - Southern Wellington County.
Today..Mainly cloudy. 30 percent chance of showers late this morning
and early this afternoon. Showers beginning this afternoon. Risk of
a thunderstorm late this afternoon. Wind becoming southwest 20 km/h
gusting to 40 then increasing to 40 gusting to 60 late this morning.
High 28. Humidex 33. UV index 8 or very high.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind west
20 km/h gusting to 40 becoming light this evening. Wind becoming
northwest 20 gusting to 40 after midnight. Low 6.
Wednesday..Mainly sunny. Wind northwest 20 km/h. High 15. UV index 9
or very high.

Mount Forest - Arthur - Northern Wellington County.
Today..Cloudy. 30 percent chance of showers late this morning and
early this afternoon. Showers beginning this afternoon. Risk of a
thunderstorm late this afternoon. Wind becoming southwest 20 km/h
gusting to 40 then increasing to 40 gusting to 60 late this morning.
High 26. Humidex 33. UV index 6 or high.
Tonight..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind west 20 km/h gusting to 40 becoming light this evening. Wind
becoming northwest 20 gusting to 40 after midnight. Low plus 4.
Wednesday..A mix of sun and cloud. Clearing late in the morning. Wind
becoming northwest 30 km/h late in the morning. High 11. UV index 8
or very high.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Cloudy with 40 percent chance of showers. Showers beginning
late this afternoon. Risk of a thunderstorm late this afternoon.
Wind becoming south 20 km/h gusting to 40 this morning then
southwest 40 gusting to 60 near noon. High 27. Humidex 35. UV
index 6 or high.
Tonight..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening
and after midnight. Wind southwest 40 km/h gusting to 60 diminishing
to 20 gusting to 40 this evening then becoming northwest 20 gusting
to 40 after midnight. Low plus 5.
Wednesday..Mainly sunny. Wind northwest 20 km/h becoming light in the
afternoon. High 14. UV index 8 or very high.

Shelburne - Mansfield - Northern Dufferin County.
Today..Cloudy with 40 percent chance of showers. Showers beginning
late this afternoon. Risk of a thunderstorm late this afternoon.
Wind becoming south 20 km/h gusting to 40 this morning then
southwest 40 gusting to 60 near noon. High 27. Humidex 35. UV
index 6 or high.
Tonight..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening
and after midnight. Wind southwest 40 km/h gusting to 60 diminishing
to 20 gusting to 40 this evening then becoming northwest 20 gusting
to 40 after midnight. Low plus 5.
Wednesday..Mainly sunny. Wind northwest 20 km/h becoming light in the
afternoon. High 14. UV index 8 or very high.

Innisfil - New Tecumseth - Angus.
Today..Cloudy with 40 percent chance of showers. Showers beginning
late this afternoon. Risk of a thunderstorm late this afternoon.
Wind becoming south 20 km/h gusting to 40 this morning then
southwest 40 gusting to 60 near noon. High 28. Humidex 36. UV
index 6 or high.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening and after
midnight. Wind southwest 40 km/h gusting to 60 diminishing to 20
gusting to 40 this evening then becoming northwest 20 gusting to 40
after midnight. Low plus 5.
Wednesday..Mainly sunny. Wind northwest 20 km/h becoming light in the
afternoon. High 14. UV index 8 or very high.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..Mainly cloudy. 30 percent chance of showers late this morning
and early this afternoon. Showers beginning this afternoon. Risk of
a thunderstorm late this afternoon. Fog patches dissipating this
morning. Wind becoming southwest 20 km/h gusting to 40 then
increasing to 40 gusting to 60 late this morning. High 26. Humidex
31. UV index 8 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 40 km/h gusting to 60 becoming west 20 gusting to 40 this
evening then becoming north 20 gusting to 40 near midnight. Low
plus 4.
Wednesday..Mainly sunny. Wind northwest 40 km/h gusting to 60.
High 9. UV index 8 or very high.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..Cloudy. 30 percent chance of showers late this morning and
early this afternoon then 70 percent chance of showers this
afternoon. Risk of a thunderstorm this afternoon. Fog patches
dissipating this morning. Wind becoming south 20 km/h gusting to 40
then southwest 40 gusting to 60 late this morning. High 22. UV
index 6 or high.
Tonight..Mainly cloudy. 70 percent chance of showers this evening and
after midnight. Risk of a thunderstorm early this evening. Wind
northwest 30 km/h gusting to 50. Low plus 4.
Wednesday..Sunny. Wind northwest 30 km/h. High 8. UV index 8 or very
high.

Hanover - Dundalk - Southern Grey County.
Today..Cloudy. 30 percent chance of showers late this morning and
early this afternoon. Showers beginning this afternoon. Risk of a
thunderstorm late this afternoon. Fog patches dissipating this
morning. Wind becoming southwest 20 km/h gusting to 40 then
increasing to 40 gusting to 60 late this morning. High 26. Humidex
34. UV index 7 or high.
Tonight..Showers ending near midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind southwest 40 km/h gusting to 60 becoming west 20 gusting to 40
this evening then becoming north 20 gusting to 40 near midnight. Low
plus 4.
Wednesday..A mix of sun and cloud. Becoming sunny late in the
morning. Wind northwest 20 km/h becoming light in the afternoon.
High 11. UV index 8 or very high.

Owen Sound - Blue Mountains - Northern Grey County.
Today..Mainly cloudy. 30 percent chance of showers late this morning
and early this afternoon. Showers beginning this afternoon. Risk of
a thunderstorm late this afternoon. Fog patches dissipating this
morning. Wind becoming southwest 20 km/h gusting to 40 then
increasing to 40 gusting to 60 late this morning. High 25. Humidex
30. UV index 8 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 40 km/h gusting to 60 becoming west 20 gusting to 40 this
evening then becoming north 20 gusting to 40 near midnight. Low
plus 4.
Wednesday..A mix of sun and cloud. Becoming sunny late in the
morning. Wind becoming northwest 20 km/h late in the morning.
High 10. UV index 8 or very high.

Barrie - Collingwood - Hillsdale.
Today..Cloudy with 40 percent chance of showers. Showers beginning
late this afternoon. Risk of a thunderstorm late this afternoon. Fog
patches dissipating this morning. Wind becoming south 20 km/h
gusting to 40 this morning then southwest 40 gusting to 60 near
noon. High 28. Humidex 33. UV index 6 or high.
Tonight..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening
and after midnight. Wind southwest 40 km/h gusting to 60 diminishing
to 20 gusting to 40 this evening then becoming northwest 20 gusting
to 40 after midnight. Low 7.
Wednesday..A mix of sun and cloud. Clearing late in the morning. Wind
northwest 20 km/h. High 11. UV index 8 or very high.

Midland - Coldwater - Orr Lake.
Today..Mainly cloudy with 40 percent chance of showers. Showers
beginning late this afternoon. Risk of a thunderstorm late this
afternoon. Fog patches dissipating this morning. Wind becoming south
20 km/h gusting to 40 this morning then southwest 40 gusting to 60
near noon. High 27. Humidex 34. UV index 6 or high.
Tonight..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening
and after midnight. Wind southwest 40 km/h gusting to 60 diminishing
to 20 gusting to 40 this evening then becoming northwest 20 gusting
to 40 after midnight. Low 6.
Wednesday..Mainly cloudy. Clearing in the afternoon. Wind northwest
20 km/h. High 9. UV index 7 or high.

Orillia - Lagoon City - Washago.
Today..Cloudy with 40 percent chance of showers. Showers beginning
late this afternoon. Risk of a thunderstorm late this afternoon. Fog
patches dissipating this morning. Wind becoming south 20 km/h
gusting to 40 this morning then southwest 40 gusting to 60 near
noon. High 27. Humidex 32. UV index 6 or high.
Tonight..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening
and after midnight. Wind southwest 40 km/h gusting to 60 diminishing
to 20 gusting to 40 this evening then becoming northwest 20 gusting
to 40 after midnight. Low 7.
Wednesday..A mix of sun and cloud. Clearing late in the morning. Wind
northwest 20 km/h. High 11. UV index 8 or very high.

Cobourg - Colborne - Western Northumberland County.
Today..Mainly cloudy. 30 percent chance of showers changing to
70 percent chance of showers this afternoon. Risk of a thunderstorm
late this afternoon. Wind west 30 km/h gusting to 50. High 27.
Humidex 32. UV index 8 or very high.
Tonight..Mainly cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind west 30 km/h gusting to 50 becoming
light late this evening. Wind becoming north 20 gusting to 40 after
midnight. Low 13.
Wednesday..A mix of sun and cloud. Becoming sunny late in the
morning. Wind northwest 20 km/h. High 18. UV index 9 or very high.

Continued in next message...

--- up 3 days, 21 hours, 27 minutes
* Origin: Northern Realms (618:400/23)

FPCN11 CWTO 191500
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 11:00 a.m. EDT Tuesday 19 May 2026 for today
and Wednesday.
The next scheduled forecast will be issued at 3:30 p.m. EDT.

City of Toronto.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm late this
afternoon. Wind west 30 km/h gusting to 50. High 30. Humidex 34. UV
index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 20 km/h gusting to 40 becoming light late this evening.
Wind becoming northwest 20 gusting to 40 overnight. Low 10. Wednesday..Clearing in the morning. Wind northwest 20 km/h. High 18.
UV index 9 or very high.

Windsor - Leamington - Essex County.
Today..Showers. Risk of a thunderstorm late this afternoon. Wind
southwest 40 km/h gusting to 60. High 32. Humidex 37. UV index 9 or
very high.
Tonight..Showers ending overnight then cloudy with 40 percent chance
of showers. Risk of a thunderstorm this evening and after midnight.
Wind southwest 20 km/h gusting to 40 becoming light late this
evening. Wind becoming north 20 gusting to 40 after midnight.
Low 12.
Wednesday..Mainly cloudy. 40 percent chance of showers early in the
morning. Wind northeast 20 km/h becoming light in the morning.
High 18. UV index 8 or very high.

Chatham-Kent - Rondeau Park.
Today..Showers. Risk of a thunderstorm late this afternoon. Wind
southwest 40 km/h gusting to 60. High 30. Humidex 38. UV index 9 or
very high.
Tonight..Showers ending overnight then cloudy with 40 percent chance
of showers. Risk of a thunderstorm this evening and after midnight.
Wind southwest 20 km/h gusting to 40 becoming light late this
evening. Wind becoming north 20 gusting to 40 after midnight. Low 9. Wednesday..Mainly cloudy. 40 percent chance of showers early in the
morning. Wind becoming north 30 km/h late in the morning. High 14.
UV index 8 or very high.

Sarnia - Petrolia - Western Lambton County.
Today..Showers. Risk of a thunderstorm late this afternoon. Wind
southwest 40 km/h gusting to 60. High 27. Humidex 35. UV index 9 or
very high.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening and after
midnight. Wind southwest 20 km/h gusting to 40 becoming light late
this evening. Wind becoming north 20 gusting to 40 after midnight.
Low 9.
Wednesday..Mainly cloudy. Wind north 30 km/h. High 11. UV index 7 or
high.

Watford - Pinery Park - Eastern Lambton County.
Today..Showers. Risk of a thunderstorm late this afternoon. Wind
southwest 40 km/h gusting to 60. High 30. Humidex 38. UV index 9 or
very high.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening and after
midnight. Wind southwest 20 km/h gusting to 40 becoming light late
this evening. Wind becoming north 20 gusting to 40 after midnight.
Low 8.
Wednesday..Mainly cloudy. Wind north 30 km/h. High 10. UV index 7 or
high.

Rodney - Shedden - Western Elgin County.
Today..Sunny near noon then a mix of sun and cloud with 30 percent
chance of showers early this afternoon. Showers beginning this
afternoon. Risk of a thunderstorm late this afternoon. Wind
southwest 40 km/h gusting to 60. High 30. Humidex 38. UV index 9 or
very high.
Tonight..Showers ending overnight then cloudy with 40 percent chance
of showers. Risk of a thunderstorm this evening and after midnight.
Wind southwest 20 km/h gusting to 40 becoming light late this
evening. Wind becoming north 20 gusting to 40 after midnight. Low 8. Wednesday..Mainly cloudy with 40 percent chance of showers early in
the morning. Clearing in the morning. Wind north 30 km/h. High 13.
UV index 9 or very high.

St. Thomas - Aylmer - Eastern Elgin County.
Today..Sunny near noon then a mix of sun and cloud with 30 percent
chance of showers early this afternoon. Showers beginning this
afternoon. Risk of a thunderstorm late this afternoon. Wind
southwest 40 km/h gusting to 60. High 29. Humidex 37. UV index 9 or
very high.
Tonight..Showers ending overnight then cloudy with 40 percent chance
of showers. Risk of a thunderstorm this evening and after midnight.
Wind southwest 20 km/h gusting to 40 becoming light late this
evening. Wind becoming north 20 gusting to 40 after midnight. Low 8. Wednesday..Mainly cloudy with 40 percent chance of showers early in
the morning. Clearing in the morning. Wind north 30 km/h. High 13.
UV index 9 or very high.

Strathroy - Komoka - Western Middlesex County.
Today..Sunny near noon then a mix of sun and cloud with 30 percent
chance of showers early this afternoon. Showers beginning this
afternoon. Risk of a thunderstorm late this afternoon. Wind
southwest 40 km/h gusting to 60. High 29. Humidex 37. UV index 9 or
very high.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening and after
midnight. Wind southwest 20 km/h gusting to 40 becoming light late
this evening. Wind becoming north 20 gusting to 40 after midnight.
Low 8.
Wednesday..Clearing in the morning. Wind northwest 30 km/h. High 12.
UV index 9 or very high.

London - Parkhill - Eastern Middlesex County.
Today..Sunny near noon then a mix of sun and cloud with 30 percent
chance of showers early this afternoon. Showers beginning this
afternoon. Risk of a thunderstorm late this afternoon. Wind
southwest 40 km/h gusting to 60. High 29. Humidex 37. UV index 9 or
very high.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening and after
midnight. Wind southwest 20 km/h gusting to 40 becoming light late
this evening. Wind becoming north 20 gusting to 40 after midnight.
Low 7.
Wednesday..Clearing in the morning. Wind northwest 30 km/h. High 11.
UV index 9 or very high.

Simcoe - Delhi - Norfolk.
Today..Sunny near noon then a mix of sun and cloud with 30 percent
chance of showers early this afternoon. Showers beginning this
afternoon. Risk of a thunderstorm late this afternoon. Wind
southwest 40 km/h gusting to 70. High 30. Humidex 35. UV index 9 or
very high.
Tonight..Showers ending overnight then cloudy with 40 percent chance
of showers. Risk of a thunderstorm this evening and after midnight.
Wind southwest 40 km/h gusting to 70 diminishing to 20 gusting to 40
this evening then becoming northwest 20 gusting to 40 after
midnight. Low 9.
Wednesday..Mainly cloudy with 40 percent chance of showers early in
the morning. Clearing in the morning. Wind becoming northwest
30 km/h late in the morning. High 16. UV index 9 or very high.

Dunnville - Caledonia - Haldimand.
Today..Sunny near noon then a mix of sun and cloud with 30 percent
chance of showers early this afternoon. Showers beginning this
afternoon. Risk of a thunderstorm late this afternoon. Wind
southwest 40 km/h gusting to 70. High 30. Humidex 36. UV index 9 or
very high.
Tonight..Showers ending overnight then cloudy with 40 percent chance
of showers. Risk of a thunderstorm this evening and after midnight.
Wind southwest 40 km/h gusting to 70 diminishing to 20 gusting to 40
this evening then becoming northwest 20 gusting to 40 after
midnight. Low 10.
Wednesday..Mainly cloudy with 40 percent chance of showers early in
the morning. Clearing in the morning. Wind northwest 20 km/h.
High 16. UV index 9 or very high.

Woodstock - Tillsonburg - Oxford County.
Today..Sunny near noon then a mix of sun and cloud with 30 percent
chance of showers early this afternoon. Showers beginning this
afternoon. Risk of a thunderstorm late this afternoon. Wind
southwest 40 km/h gusting to 70. High 30. Humidex 36. UV index 9 or
very high.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening and after
midnight. Wind southwest 40 km/h gusting to 70 diminishing to 20
gusting to 40 this evening then becoming northwest 20 gusting to 40
after midnight. Low 7.
Wednesday..Clearing in the morning. Wind northwest 30 km/h. High 16.
UV index 9 or very high.

Brantford - County of Brant.
Today..Sunny near noon then a mix of sun and cloud with 30 percent
chance of showers early this afternoon. Showers beginning this
afternoon. Risk of a thunderstorm late this afternoon. Wind
southwest 40 km/h gusting to 70. High 30. Humidex 36. UV index 9 or
very high.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening and after
midnight. Wind southwest 40 km/h gusting to 70 diminishing to 20
gusting to 40 this evening then becoming northwest 20 gusting to 40
after midnight. Low 7.
Wednesday..Clearing in the morning. Wind northwest 30 km/h. High 16.
UV index 9 or very high.

Niagara Falls - Welland - Southern Niagara Region.
Today..Sunny early this afternoon then a mix of sun and cloud with
30 percent chance of showers this afternoon. Showers beginning late
this afternoon. Risk of a thunderstorm late this afternoon. Wind
southwest 40 km/h gusting to 70. High 30. Humidex 36. UV index 9 or
very high.
Tonight..Showers ending overnight then mainly cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening and after
midnight. Wind southwest 40 km/h gusting to 70 diminishing to 20
gusting to 40 this evening then becoming northwest 20 gusting to 40
after midnight. Low 10.
Wednesday..Cloudy with 40 percent chance of showers early in the
morning. Clearing in the morning. Wind northwest 20 km/h becoming
light in the afternoon. High 16. UV index 9 or very high.

St. Catharines - Grimsby - Northern Niagara Region.
Today..Sunny early this afternoon then a mix of sun and cloud with
30 percent chance of showers this afternoon. Showers beginning late
this afternoon. Risk of a thunderstorm late this afternoon. Wind
southwest 40 km/h gusting to 70. High 30. Humidex 35. UV index 9 or
very high.
Tonight..Showers ending overnight then mainly cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening and after
midnight. Wind southwest 40 km/h gusting to 70 diminishing to 20
gusting to 40 this evening then becoming northwest 20 gusting to 40
after midnight. Low 13.
Wednesday..Cloudy with 40 percent chance of showers early in the
morning. Clearing in the morning. Wind west 20 km/h becoming light
in the afternoon. High 17. UV index 9 or very high.

City of Hamilton.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm late this
afternoon. Wind southwest 40 km/h gusting to 70. High 30. Humidex
35. UV index 9 or very high.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening and after
midnight. Wind southwest 40 km/h gusting to 70 diminishing to 20
gusting to 40 this evening then becoming northwest 20 gusting to 40
after midnight. Low 10.
Wednesday..Clearing in the morning. Wind northwest 20 km/h becoming
light in the afternoon. High 16. UV index 9 or very high.

Burlington - Oakville.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm late this
afternoon. Wind west 30 km/h gusting to 50. High 30. Humidex 35. UV
index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 20 km/h gusting to 40 becoming light late this evening.
Wind becoming northwest 20 gusting to 40 overnight. Low 11. Wednesday..Clearing in the morning. Wind northwest 20 km/h becoming
light late in the morning. High 15. UV index 9 or very high.

Halton Hills - Milton.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm late this
afternoon. Wind west 30 km/h gusting to 50. High 30. Humidex 35. UV
index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 20 km/h gusting to 40 becoming light late this evening.
Wind becoming northwest 20 gusting to 40 overnight. Low 9.
Wednesday..Clearing in the morning. Wind northwest 20 km/h becoming
light late in the morning. High 17. UV index 9 or very high.

Mississauga - Brampton.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm late this
afternoon. Wind west 30 km/h gusting to 50. High 30. Humidex 35. UV
index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 20 km/h gusting to 40 becoming light late this evening.
Wind becoming northwest 20 gusting to 40 overnight. Low 9.
Wednesday..Clearing in the morning. Wind northwest 20 km/h becoming
light late in the morning. High 17. UV index 9 or very high.

Caledon.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 29. Humidex
36. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 40 km/h gusting to 60 diminishing to 20 gusting to 40 this
evening then becoming northwest 20 gusting to 40 after midnight.
Low 8.
Wednesday..Mainly cloudy. High 15. UV index 7 or high.

Vaughan - Richmond Hill - Markham.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm late this
afternoon. Wind west 30 km/h gusting to 50. High 30. Humidex 35. UV
index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 20 km/h gusting to 40 becoming light late this evening.
Wind becoming northwest 20 gusting to 40 overnight. Low 8.
Wednesday..Clearing in the morning. Wind northwest 20 km/h. High 15.
UV index 9 or very high.

Newmarket - Georgina - Northern York Region.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 29. Humidex
34. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 40 km/h gusting to 60 diminishing to 20 gusting to 40 this
evening then becoming northwest 20 gusting to 40 after midnight.
Low 8.
Wednesday..Mainly cloudy. Wind northwest 20 km/h. High 14. UV index 7
or high.

Pickering - Oshawa - Southern Durham Region.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm late this
afternoon. Wind west 30 km/h gusting to 50. High 27. Humidex 32. UV
index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind west
30 km/h gusting to 50 becoming light late this evening. Wind
becoming north 20 gusting to 40 after midnight. Low 10.
Wednesday..Clearing in the morning. Wind becoming northwest 20 km/h
in the morning. High 15. UV index 9 or very high.

Uxbridge - Beaverton - Northern Durham Region.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 20 km/h gusting to 40. High 28. Humidex
33. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 20 km/h gusting to 40 becoming light this evening. Wind
becoming north 20 gusting to 40 after midnight. Low 7.
Wednesday..Mainly cloudy. Wind northwest 20 km/h. High 13. UV index 7
or high.

Goderich - Bluewater - Southern Huron County.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 27. Humidex
34. UV index 8 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind west
20 km/h gusting to 40 becoming light this evening. Wind becoming
northwest 20 gusting to 40 after midnight. Low plus 5.
Wednesday..Mainly cloudy. Wind northwest 40 km/h gusting to 60.
High 10. UV index 7 or high.

Wingham - Blyth - Northern Huron County.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 27. Humidex
35. UV index 8 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind west
20 km/h gusting to 40 becoming light this evening. Wind becoming
northwest 20 gusting to 40 after midnight. Low plus 5.
Wednesday..Mainly cloudy. Wind northwest 40 km/h gusting to 60.
High 10. UV index 7 or high.

Stratford - Mitchell - Southern Perth County.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 29. Humidex
37. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind west
20 km/h gusting to 40 becoming light this evening. Wind becoming
northwest 20 gusting to 40 after midnight. Low plus 5.
Wednesday..Mainly cloudy. Wind northwest 30 km/h. High 12. UV index 7
or high.

Listowel - Milverton - Northern Perth County.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 28. Humidex
35. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind west
20 km/h gusting to 40 becoming light this evening. Wind becoming
northwest 20 gusting to 40 after midnight. Low plus 5.
Wednesday..Mainly cloudy. Wind northwest 30 km/h. High 11. UV index 7
or high.

Kitchener - Cambridge - Region of Waterloo.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 29. Humidex
35. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind west
20 km/h gusting to 40 becoming light this evening. Wind becoming
northwest 20 gusting to 40 after midnight. Low 6.
Wednesday..Mainly cloudy. Wind northwest 20 km/h. High 15. UV index 7
or high.

Guelph - Erin - Southern Wellington County.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 29. Humidex
34. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind west
20 km/h gusting to 40 becoming light this evening. Wind becoming
northwest 20 gusting to 40 after midnight. Low 6.
Wednesday..Mainly cloudy. Wind northwest 20 km/h. High 15. UV index 7
or high.

Mount Forest - Arthur - Northern Wellington County.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 27. Humidex
33. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind west
20 km/h gusting to 40 becoming light this evening. Wind becoming
northwest 20 gusting to 40 after midnight. Low plus 4.
Wednesday..Mainly cloudy. Wind becoming northwest 30 km/h late in the
morning. High 11. UV index 7 or high.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 28. Humidex
34. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 40 km/h gusting to 60 diminishing to 20 gusting to 40 this
evening then becoming northwest 20 gusting to 40 after midnight. Low
plus 5.
Wednesday..Mainly cloudy. Wind northwest 20 km/h becoming light in
the afternoon. High 14. UV index 7 or high.

Shelburne - Mansfield - Northern Dufferin County.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 28. Humidex
36. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 40 km/h gusting to 60 diminishing to 20 gusting to 40 this
evening then becoming northwest 20 gusting to 40 after midnight. Low
plus 5.
Wednesday..Mainly cloudy. Wind northwest 20 km/h becoming light in
the afternoon. High 14. UV index 7 or high.

Innisfil - New Tecumseth - Angus.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 29. Humidex
34. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 40 km/h gusting to 60 diminishing to 20 gusting to 40 this
evening then becoming northwest 20 gusting to 40 after midnight. Low
plus 5.
Wednesday..Mainly cloudy. Wind northwest 20 km/h becoming light in
the afternoon. High 14. UV index 7 or high.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 27. Humidex
32. UV index 8 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 40 km/h gusting to 60 becoming west 20 gusting to 40 this
evening then becoming north 20 gusting to 40 near midnight. Low
plus 4.
Wednesday..Mainly cloudy. Wind northwest 40 km/h gusting to 60.
High 9. UV index 7 or high.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 25. Humidex
32. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
northwest 30 km/h gusting to 50. Low plus 4.
Wednesday..Mainly cloudy. Wind northwest 30 km/h. High 8. UV index 7
or high.

Hanover - Dundalk - Southern Grey County.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 28. Humidex
36. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 40 km/h gusting to 60 becoming west 20 gusting to 40 this
evening then becoming north 20 gusting to 40 near midnight. Low
plus 4.
Wednesday..Mainly cloudy. Wind northwest 20 km/h becoming light in
the afternoon. High 11. UV index 7 or high.

Owen Sound - Blue Mountains - Northern Grey County.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 28. Humidex
34. UV index 8 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 40 km/h gusting to 60 becoming west 20 gusting to 40 this
evening then becoming north 20 gusting to 40 near midnight. Low
plus 4.
Wednesday..Mainly cloudy. Wind becoming northwest 20 km/h late in the
morning. High 10. UV index 7 or high.

Barrie - Collingwood - Hillsdale.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 28. Humidex
33. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 40 km/h gusting to 60 diminishing to 20 gusting to 40 this
evening then becoming northwest 20 gusting to 40 after midnight.
Low 7.
Wednesday..Mainly cloudy. Wind northwest 20 km/h. High 11. UV index 7
or high.

Midland - Coldwater - Orr Lake.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 27. Humidex
34. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 40 km/h gusting to 60 diminishing to 20 gusting to 40 this
evening then becoming northwest 20 gusting to 40 after midnight.
Low 6.
Wednesday..Mainly cloudy. Wind northwest 20 km/h. High 9. UV index 7
or high.

Orillia - Lagoon City - Washago.
Today..Sunny early this afternoon then a mix of sun and cloud with
showers beginning this afternoon. Risk of a thunderstorm this
afternoon. Wind southwest 40 km/h gusting to 60. High 28. Humidex
33. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 40 km/h gusting to 60 diminishing to 20 gusting to 40 this
evening then becoming northwest 20 gusting to 40 after midnight.
Low 7.
Wednesday..Mainly cloudy. Wind northwest 20 km/h. High 11. UV index 7
or high.

Cobourg - Colborne - Western Northumberland County.
Today..A mix of sun and cloud. 70 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind west 30 km/h gusting to
50. High 27. Humidex 32. UV index 8 or very high.
Tonight..Mainly cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind west 30 km/h gusting to 50 becoming
light late this evening. Wind becoming north 20 gusting to 40 after
midnight. Low 13.
Wednesday..A mix of sun and cloud. Becoming sunny late in the
morning. Wind northwest 20 km/h. High 18. UV index 9 or very high.

Belleville - Quinte West - Eastern Northumberland County.
Today..A mix of sun and cloud. 70 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind west 30 km/h gusting to
50. High 27. Humidex 32. UV index 8 or very high.
Tonight..Mainly cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind west 30 km/h gusting to 50 becoming
light late this evening. Wind becoming north 20 gusting to 40 after
midnight. Low 13.
Wednesday..A mix of sun and cloud. Becoming sunny late in the
morning. Wind northwest 20 km/h. High 18. UV index 9 or very high.

Picton - Sandbanks Park.
Today..A mix of sun and cloud. 70 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind southwest 30 km/h
gusting to 50. High 27. Humidex 32. UV index 8 or very high.
Tonight..Mainly cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 30 km/h gusting to 50
becoming light late this evening. Wind becoming west 20 gusting to
40 after midnight. Low 13.
Wednesday..A mix of sun and cloud. Becoming sunny late in the
morning. Wind northwest 20 km/h. High 18. UV index 9 or very high.

Napanee - Consecon.
Today..A mix of sun and cloud. 70 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind southwest 30 km/h
gusting to 50. High 27. Humidex 32. UV index 8 or very high.
Tonight..Mainly cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 30 km/h gusting to 50
becoming light late this evening. Wind becoming west 20 gusting to
40 after midnight. Low 13.
Wednesday..A mix of sun and cloud. Becoming sunny late in the
morning. Wind northwest 20 km/h. High 18. UV index 9 or very high.

Kingston - Odessa - Frontenac Islands.
Today..A mix of sun and cloud. 70 percent chance of showers late this
afternoon with risk of a thunderstorm. Wind southwest 30 km/h
gusting to 50. High 27. Humidex 31. UV index 8 or very high.
Tonight..Mainly cloudy with 70 percent chance of showers. Risk of a
thunderstorm this evening. Wind southwest 30 km/h gusting to 50
becoming light late this evening. Wind becoming west 20 gusting to
40 after midnight. Low 16.
Wednesday..A mix of sun and cloud. Becoming sunny late in the
morning. Wind becoming west 20 km/h in the afternoon. High 18. UV
index 9 or very high.

Lindsay - Southern Kawartha Lakes.
Today..A mix of sun and cloud. Showers beginning this afternoon. Risk
of a thunderstorm late this afternoon. Wind southwest 20 km/h
gusting to 40. High 28. Humidex 34. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 20 km/h gusting to 40 becoming light this evening. Wind
becoming north 20 gusting to 40 after midnight. Low 7.
Wednesday..A mix of sun and cloud. Clearing late in the morning. Wind
northwest 20 km/h. High 14. UV index 8 or very high.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Today..A mix of sun and cloud. Showers beginning this afternoon. Risk
of a thunderstorm late this afternoon. Wind southwest 20 km/h
gusting to 40. High 28. Humidex 34. UV index 9 or very high.
Tonight..Showers ending near midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening. Wind
southwest 20 km/h gusting to 40 becoming light this evening. Wind
becoming north 20 gusting to 40 after midnight. Low 7.
Wednesday..A mix of sun and cloud. Clearing late in the morning. Wind
northwest 20 km/h. High 14. UV index 8 or very high.

Continued in next message...

--- up 4 days, 3 hours, 27 minutes
* Origin: Northern Realms (618:400/23)

FPCN11 CWTO 191930
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 3:30 p.m. EDT Tuesday 19 May 2026 for
tonight Wednesday and Wednesday night.
The next scheduled forecast will be issued at 5:00 a.m. EDT
Wednesday.

City of Toronto.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning this evening then changing to 40 percent
chance of showers near midnight. Risk of a thunderstorm this
evening. Wind southwest 20 km/h gusting to 40 becoming northwest 30
gusting to 50 early this evening. Low 10.
Wednesday..Clearing in the morning. Wind northwest 30 km/h gusting to
50 becoming light early in the afternoon. Wind becoming north 20
late in the afternoon. High 18. UV index 9 or very high.
Wednesday night..Clear. Wind north 20 km/h gusting to 40. Low 6.

Windsor - Leamington - Essex County.
Tonight..Showers ending overnight then mainly cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening and after
midnight. Wind southwest 40 km/h gusting to 60 diminishing to 20
gusting to 40 early this evening then becoming northeast 30 after
midnight. Low 12.
Wednesday..Mainly cloudy. 40 percent chance of showers early in the
morning. Wind northeast 20 km/h gusting to 40 becoming light in the
morning. Wind becoming northeast 30 in the afternoon. High 18. UV
index 8 or very high.
Wednesday night..Clear. Wind northeast 20 km/h gusting to 40. Low 6.

Chatham-Kent - Rondeau Park.
Tonight..Showers ending overnight then cloudy with 40 percent chance
of showers. Risk of a thunderstorm this evening and after midnight.
Wind west 50 km/h gusting to 70 becoming southwest 20 gusting to 40
this evening then becoming north 20 gusting to 40 after midnight.
Low 9.
Wednesday..Mainly cloudy. 40 percent chance of showers early in the
morning. Wind north 30 km/h gusting to 50. High 14. UV index 9 or
very high.
Wednesday night..Clear. Wind north 20 km/h gusting to 40 becoming
light in the evening. Low plus 3.

Sarnia - Petrolia - Western Lambton County.
Tonight..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening
and after midnight. Wind southwest 30 km/h gusting to 50 becoming
north 30 gusting to 50 late this evening. Low 9.
Wednesday..Cloudy. Clearing in the afternoon. Wind north 30 km/h
gusting to 50. High 11. UV index 8 or very high.
Wednesday night..Clear. Wind north 30 km/h gusting to 50. Low plus 5.

Watford - Pinery Park - Eastern Lambton County.
Tonight..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening
and after midnight. Wind southwest 40 km/h gusting to 60 becoming
northwest 20 gusting to 40 this evening. Low 8.
Wednesday..Clearing. Wind northwest 20 km/h gusting to 40 becoming
light in the afternoon. High 10. UV index 9 or very high.
Wednesday night..Clear. Wind becoming northeast 20 km/h after
midnight. Low plus 3.

Rodney - Shedden - Western Elgin County.
Tonight..Showers ending overnight then cloudy with 40 percent chance
of showers. Risk of a thunderstorm this evening and after midnight.
Wind southwest 40 km/h gusting to 60 becoming north 20 gusting to 40
after midnight. Low 8.
Wednesday..Mainly cloudy. 40 percent chance of showers early in the
morning. Clearing in the morning. Wind north 30 km/h gusting to 50.
High 13. UV index 9 or very high.
Wednesday night..Clear. Wind north 20 km/h gusting to 40 becoming
light in the evening. Low plus 4.

St. Thomas - Aylmer - Eastern Elgin County.
Tonight..Showers ending overnight then mainly cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening and after
midnight. Wind southwest 40 km/h gusting to 60 diminishing to 20
this evening then becoming northwest 20 gusting to 40 after
midnight. Low 8.
Wednesday..Mainly cloudy. 40 percent chance of showers early in the
morning. Clearing in the morning. Wind north 30 km/h gusting to 50.
High 13. UV index 9 or very high.
Wednesday night..Clear. Wind north 20 km/h becoming light in the
evening. Low plus 4.

Strathroy - Komoka - Western Middlesex County.
Tonight..Showers ending after midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening
and after midnight. Wind southwest 40 km/h gusting to 70 diminishing
to 20 gusting to 40 early this evening then becoming north 20
gusting to 40 near midnight. Low 8.
Wednesday..Cloudy. Becoming a mix of sun and cloud in the morning.
Wind north 30 km/h gusting to 50. High 12. UV index 9 or very high.
Wednesday night..Clear. Wind north 20 km/h becoming light late in the
evening. Low plus 2.

London - Parkhill - Eastern Middlesex County.
Tonight..Showers ending after midnight then cloudy with 40 percent
chance of showers. Risk of a thunderstorm this evening and after
midnight. Wind southwest 40 km/h gusting to 70 becoming west 20
gusting to 50 early this evening. Low 7.
Wednesday..A mix of sun and cloud. Wind northwest 30 km/h gusting to
50. High 11. UV index 9 or very high.
Wednesday night..Clear. Wind north 20 km/h becoming light in the
evening. Low plus 4.

Simcoe - Delhi - Norfolk.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning early this evening then changing to
40 percent chance of showers overnight. Risk of a thunderstorm this
evening and after midnight. Wind southwest 40 km/h gusting to 70
becoming west 80 gusting to 100 then southwest 40 gusting to 60 this
evening. Low 9.
Wednesday..Mainly cloudy. 40 percent chance of showers early in the
morning. Clearing in the morning. Wind northwest 20 km/h gusting to
40. High 16. UV index 9 or very high.
Wednesday night..Clear. Wind north 20 km/h becoming light early in
the evening. Low plus 4.

Dunnville - Caledonia - Haldimand.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning early this evening then changing to
40 percent chance of showers overnight. Risk of a thunderstorm this
evening and after midnight. Wind southwest 40 km/h gusting to 80
diminishing to 20 gusting to 40 early this evening then becoming
northwest 20 gusting to 40 overnight. Low 10.
Wednesday..Cloudy with 40 percent chance of showers early in the
morning. Clearing in the morning. Wind northwest 20 km/h gusting to
40 becoming light in the afternoon. High 16. UV index 9 or very
high.
Wednesday night..Clear. Low plus 5.

Woodstock - Tillsonburg - Oxford County.
Tonight..Cloudy. Showers beginning early this evening and ending
after midnight then 40 percent chance of showers overnight. Risk of
a thunderstorm this evening and after midnight. Wind southwest
40 km/h gusting to 70 diminishing to 20 gusting to 40 early this
evening then becoming northwest 20 after midnight. Low 7.
Wednesday..Clearing in the morning. Wind northwest 30 km/h gusting to
50. High 16. UV index 9 or very high.
Wednesday night..Clear. Wind northwest 20 km/h becoming light in the
evening. Low plus 3.

Brantford - County of Brant.
Tonight..Mainly cloudy. Showers beginning early this evening and
ending after midnight then 40 percent chance of showers overnight.
Risk of a thunderstorm this evening and after midnight. Wind
southwest 40 km/h gusting to 80 diminishing to 20 gusting to 40
early this evening then becoming northwest 20 gusting to 40 after
midnight. Low 7.
Wednesday..Clearing in the morning. Wind northwest 20 km/h gusting to
40 becoming light in the afternoon. High 16. UV index 9 or very
high.
Wednesday night..Clear. Low plus 3.

Niagara Falls - Welland - Southern Niagara Region.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning this evening then changing to 40 percent
chance of showers overnight. Risk of a thunderstorm this evening and
after midnight. Wind southwest 30 km/h gusting to 50 becoming
northwest 20 gusting to 40 before morning. Low 10.
Wednesday..Cloudy. 40 percent chance of showers early in the morning.
Clearing in the morning. Wind northwest 20 km/h gusting to 40
becoming light in the afternoon. High 16. UV index 9 or very high.
Wednesday night..Clear. Low 7.

St. Catharines - Grimsby - Northern Niagara Region.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning this evening then changing to 40 percent
chance of showers overnight. Risk of a thunderstorm this evening and
after midnight. Wind southwest 40 km/h gusting to 60 becoming
northwest 30 gusting to 50 early this evening then becoming
southwest 30 gusting to 50. Low 13.
Wednesday..Mainly cloudy. 40 percent chance of showers early in the
morning. Clearing in the morning. Wind west 20 km/h becoming light
in the afternoon. High 17. UV index 9 or very high.
Wednesday night..Clear. Low 6.

City of Hamilton.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning this evening then changing to 40 percent
chance of showers near midnight. Risk of a thunderstorm this
evening. Wind southwest 40 km/h gusting to 80 diminishing to 20
gusting to 40 early this evening then becoming northwest 20 gusting
to 40 overnight. Low 10.
Wednesday..Clearing in the morning. Wind northwest 20 km/h gusting to
40 becoming light in the afternoon. High 16. UV index 9 or very
high.
Wednesday night..Clear. Wind becoming northeast 20 km/h overnight.
Low 6.

Burlington - Oakville.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning this evening then changing to 40 percent
chance of showers near midnight. Risk of a thunderstorm this
evening. Wind southwest 50 km/h gusting to 80 becoming northwest 30
gusting to 50 early this evening. Low 11.
Wednesday..Clearing in the morning. Wind northwest 20 km/h gusting to
40 becoming light in the afternoon. High 15. UV index 9 or very
high.
Wednesday night..Clear. Wind becoming north 30 km/h in the evening.
Low 6.

Halton Hills - Milton.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning this evening then changing to 40 percent
chance of showers near midnight. Risk of a thunderstorm this
evening. Wind southwest 40 km/h gusting to 60 becoming northwest 20
gusting to 40 early this evening. Low 9.
Wednesday..Clearing in the morning. Wind northwest 20 km/h gusting to
40 becoming light early in the afternoon. High 17. UV index 9 or
very high.
Wednesday night..Clear. Low plus 5.

Mississauga - Brampton.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning this evening then changing to 40 percent
chance of showers near midnight. Risk of a thunderstorm this
evening. Wind southwest 40 km/h gusting to 60 becoming light early
this evening. Wind becoming northwest 20 gusting to 40 overnight.
Low 9.
Wednesday..Clearing in the morning. Wind northwest 20 km/h gusting to
40 becoming light early in the afternoon. Wind becoming north 30
late in the afternoon. High 17. UV index 9 or very high.
Wednesday night..Clear. Wind north 30 km/h becoming light overnight.
Low plus 5.

Caledon.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning this evening then changing to 40 percent
chance of showers near midnight. Risk of a thunderstorm this
evening. Wind southwest 30 km/h gusting to 60 becoming northwest 20
gusting to 40 late this evening. Low 8.
Wednesday..Clearing in the morning. Wind northwest 30 km/h gusting to
50 becoming light early in the afternoon. High 15. UV index 8 or
very high.
Wednesday night..Clear. Wind north 20 km/h. Low plus 4.

Vaughan - Richmond Hill - Markham.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning this evening then changing to 40 percent
chance of showers near midnight. Risk of a thunderstorm this
evening. Wind southwest 40 km/h gusting to 60 becoming northwest 30
gusting to 50 early this evening. Low 8.
Wednesday..Clearing in the morning. Wind northwest 20 km/h gusting to
40. High 15. UV index 9 or very high.
Wednesday night..Clear. Wind northwest 20 km/h gusting to 40 becoming
light after midnight. Low plus 4.

Newmarket - Georgina - Northern York Region.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning this evening then changing to 40 percent
chance of showers near midnight. Risk of a thunderstorm this
evening. Wind southwest 30 km/h gusting to 50 becoming light early
this evening. Wind becoming northwest 30 gusting to 50 after
midnight. Low 8.
Wednesday..Mainly sunny. Wind northwest 30 km/h gusting to 50.
High 14. UV index 9 or very high.
Wednesday night..Clear. Wind northwest 20 km/h becoming light late in
the evening. Low plus 4.

Pickering - Oshawa - Southern Durham Region.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning this evening then changing to 40 percent
chance of showers near midnight. Risk of a thunderstorm this
evening. Wind southwest 20 km/h gusting to 40 becoming northwest 30
gusting to 50 after midnight. Low 10.
Wednesday..Clearing in the morning. Wind northwest 30 km/h gusting to
60. High 15. UV index 9 or very high.
Wednesday night..Clear. Wind northwest 20 km/h gusting to 40 becoming
light after midnight. Low 6.

Uxbridge - Beaverton - Northern Durham Region.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning this evening then changing to 40 percent
chance of showers near midnight. Risk of a thunderstorm this
evening. Wind southwest 30 km/h gusting to 50 becoming light early
this evening. Wind becoming northwest 30 gusting to 50 after
midnight. Low 7.
Wednesday..Mainly sunny. Wind northwest 30 km/h gusting to 50.
High 13. UV index 8 or very high.
Wednesday night..Clear. Wind northwest 20 km/h gusting to 40 becoming
light after midnight. Low plus 4.

Goderich - Bluewater - Southern Huron County.
Tonight..Showers ending near midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind southwest 30 km/h becoming north 30 gusting to 50 this evening.
Low plus 5.
Wednesday..A mix of sun and cloud. Wind north 40 km/h gusting to 60.
High 10. UV index 7 or high.
Wednesday night..Clear. Wind north 30 km/h becoming light in the
evening. Low plus 1 with risk of frost.

Wingham - Blyth - Northern Huron County.
Tonight..Showers ending near midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind southwest 20 km/h gusting to 40 becoming light early this
evening. Wind becoming north 20 gusting to 40 this evening. Low
plus 5.
Wednesday..A mix of sun and cloud. Wind northwest 30 km/h gusting to
50 becoming light late in the afternoon. High 10. UV index 7 or
high.
Wednesday night..Clear. Low plus 1 with risk of frost.

Stratford - Mitchell - Southern Perth County.
Tonight..Showers ending near midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind southwest 40 km/h gusting to 60 becoming northwest 20 gusting
to 40 early this evening. Low plus 5.
Wednesday..Clearing in the morning. Wind northwest 30 km/h gusting to
50. High 12. UV index 9 or very high.
Wednesday night..Clear. Wind north 20 km/h becoming light near
midnight. Low plus 2 with risk of frost.

Listowel - Milverton - Northern Perth County.
Tonight..Showers ending near midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind southwest 40 km/h gusting to 60 diminishing to 20 gusting to 40
early this evening then becoming north 20 gusting to 40 after
midnight. Low plus 5.
Wednesday..A mix of sun and cloud. Wind northwest 30 km/h gusting to
50 becoming light late in the afternoon. High 11. UV index 8 or very
high.
Wednesday night..Clear. Wind north 20 km/h becoming light early in
the evening. Low plus 1 with risk of frost.

Kitchener - Cambridge - Region of Waterloo.
Tonight..Showers ending near midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind southwest 40 km/h gusting to 60 becoming west 20 gusting to 40
early this evening. Low 6.
Wednesday..Clearing in the morning. Wind northwest 30 km/h gusting to
50 becoming light late in the afternoon. High 15. UV index 9 or very
high.
Wednesday night..Clear. Wind northwest 20 km/h becoming light late in
the evening. Low plus 3 with risk of frost.

Guelph - Erin - Southern Wellington County.
Tonight..Showers ending near midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind southwest 40 km/h gusting to 60 becoming light early this
evening. Wind becoming northwest 20 gusting to 40 after midnight.
Low 6.
Wednesday..Clearing in the morning. Wind northwest 30 km/h gusting to
50 becoming light in the afternoon. High 15. UV index 9 or very
high.
Wednesday night..Clear. Low plus 3 with risk of frost.

Mount Forest - Arthur - Northern Wellington County.
Tonight..Showers ending near midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind southwest 30 km/h gusting to 60 becoming light early this
evening. Wind becoming northwest 20 gusting to 40 this evening. Low
plus 4.
Wednesday..A mix of sun and cloud. Wind northwest 30 km/h gusting to
50 becoming light late in the afternoon. High 11. UV index 8 or very
high.
Wednesday night..Clear. Low plus 2 with risk of frost.

Orangeville - Grand Valley - Southern Dufferin County.
Tonight..Showers ending near midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind southwest 30 km/h gusting to 70 becoming northwest 20 gusting
to 40 late this evening. Low plus 5.
Wednesday..Clearing in the morning. Wind northwest 20 km/h gusting to
40 becoming light early in the afternoon. High 14. UV index 8 or
very high.
Wednesday night..Clear. Wind north 20 km/h becoming light early in
the evening. Low plus 2 with risk of frost.

Shelburne - Mansfield - Northern Dufferin County.
Tonight..Showers ending near midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind southwest 40 km/h gusting to 60 becoming west 20 gusting to 40
early this evening. Low plus 5.
Wednesday..Clearing in the morning. Wind northwest 30 km/h gusting to
50 becoming light in the afternoon. High 14. UV index 8 or very
high.
Wednesday night..Clear. Wind becoming northeast 20 km/h before
morning. Low plus 3 with risk of frost.

Innisfil - New Tecumseth - Angus.
Tonight..Showers ending near midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind southwest 40 km/h gusting to 70 becoming northwest 20 gusting
to 40 early this evening. Low plus 5.
Wednesday..A mix of sun and cloud. Wind northwest 30 km/h gusting to
50. High 14. UV index 8 or very high.
Wednesday night..Clear. Wind northwest 20 km/h becoming light in the
evening. Low plus 2 with risk of frost.

Saugeen Shores - Kincardine - Southern Bruce County.
Tonight..Showers ending near midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind southwest 20 km/h gusting to 40 becoming north 20 gusting to 40
this evening. Low plus 4.
Wednesday..Mainly cloudy. Wind northwest 30 km/h gusting to 50.
High 9. UV index 6 or high.
Wednesday night..Clear. Low plus 2 with risk of frost.

Bruce Peninsula - Sauble Beach - Tobermory.
Tonight..Showers ending near midnight then partly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind west 20 km/h gusting to 50 becoming northwest 40 gusting to 60
after midnight. Low plus 4.
Wednesday..Mainly cloudy. Wind northwest 40 km/h gusting to 60
diminishing to 20 gusting to 40 in the morning. High 8. UV index 7
or high.
Wednesday night..A few clouds. Wind northwest 30 km/h becoming light
late in the evening. Wind becoming northeast 20 after midnight. Low
plus 3 with risk of frost.

Hanover - Dundalk - Southern Grey County.
Tonight..Showers ending near midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind west 20 km/h gusting to 40. Low plus 4.
Wednesday..Mainly cloudy. Wind northwest 30 km/h gusting to 50
becoming light in the afternoon. High 11. UV index 8 or very high.
Wednesday night..Clearing in the evening. Low plus 2 with risk of
frost.

Owen Sound - Blue Mountains - Northern Grey County.
Tonight..Showers ending near midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind southwest 20 km/h gusting to 40 becoming light early this
evening. Wind becoming west 20 gusting to 40 this evening. Low
plus 4.
Wednesday..Mainly cloudy. Wind northwest 30 km/h gusting to 50
becoming light in the afternoon. High 10. UV index 8 or very high.
Wednesday night..A few clouds. Low plus 2 with risk of frost.

Barrie - Collingwood - Hillsdale.
Tonight..Showers ending near midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind west 20 km/h becoming light early this evening. Wind becoming
northwest 20 gusting to 40 near midnight. Low 7.
Wednesday..A mix of sun and cloud. Wind northwest 30 km/h gusting to
60. High 11. UV index 7 or high.
Wednesday night..Clear. Wind northwest 20 km/h becoming light late in
the evening. Low plus 2 with risk of frost.

Midland - Coldwater - Orr Lake.
Tonight..Showers ending near midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind west 30 km/h becoming light early this evening. Wind becoming
west 30 gusting to 50 late this evening. Low 6.
Wednesday..Mainly cloudy. Wind northwest 30 km/h gusting to 50.
High 9. UV index 7 or high.
Wednesday night..Clear. Wind northwest 30 km/h becoming light near
midnight. Wind becoming northeast 30 after midnight. Low plus 2 with
risk of frost.

Orillia - Lagoon City - Washago.
Tonight..Showers ending near midnight then mainly cloudy with
40 percent chance of showers. Risk of a thunderstorm this evening.
Wind south 40 km/h gusting to 60 becoming northwest 30 gusting to 50
near midnight. Low 7.
Wednesday..Mainly cloudy. Wind northwest 30 km/h gusting to 50.
High 11. UV index 7 or high.
Wednesday night..Clear. Wind northwest 30 km/h becoming light near
midnight. Wind becoming northeast 30 after midnight. Low plus 2 with
risk of frost.

Cobourg - Colborne - Western Northumberland County.
Tonight..Increasing cloudiness. Showers beginning early this evening
and ending overnight then 40 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Wind southwest 20 km/h
gusting to 40 becoming light near midnight. Wind becoming west 30
gusting to 50 before morning. Low 13.
Wednesday..Clearing in the morning. Wind west 20 km/h gusting to 40.
High 18. UV index 9 or very high.
Wednesday night..Clear. Wind northwest 20 km/h gusting to 40 becoming
light in the evening. Low 6.

Belleville - Quinte West - Eastern Northumberland County.
Tonight..Increasing cloudiness. Showers beginning early this evening
and ending overnight then 40 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Wind southwest 20 km/h
gusting to 40 becoming light near midnight. Wind becoming west 30
gusting to 50 before morning. Low 13.
Wednesday..Clearing in the morning. Wind west 20 km/h gusting to 40.
High 18. UV index 9 or very high.
Wednesday night..Clear. Wind northwest 20 km/h gusting to 40 becoming
light in the evening. Low 6.

Picton - Sandbanks Park.
Tonight..Increasing cloudiness. Showers beginning early this evening
and ending overnight then 40 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Wind southwest 20 km/h
gusting to 40 becoming light near midnight. Wind becoming west 30
gusting to 50 before morning. Low 13.
Wednesday..Clearing in the morning. Wind west 20 km/h gusting to 40.
High 18. UV index 9 or very high.
Wednesday night..Clear. Wind northwest 20 km/h gusting to 40 becoming
light in the evening. Low 6.

Napanee - Consecon.
Tonight..Increasing cloudiness. Showers beginning early this evening
and ending overnight then 40 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Wind southwest 20 km/h
gusting to 40 becoming light near midnight. Wind becoming west 30
gusting to 50 before morning. Low 13.
Wednesday..Clearing in the morning. Wind west 20 km/h gusting to 40.
High 18. UV index 9 or very high.
Wednesday night..Clear. Wind northwest 20 km/h gusting to 40 becoming
light in the evening. Low 6.

Kingston - Odessa - Frontenac Islands.
Tonight..Increasing cloudiness. Showers beginning early this evening
and ending overnight then 40 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Wind southwest 20 km/h
gusting to 40 becoming light near midnight. Low 16.
Wednesday..Clearing. Wind west 30 km/h gusting to 50. High 18. UV
index 9 or very high.
Wednesday night..Clear. Wind north 20 km/h. Low plus 5.

Lindsay - Southern Kawartha Lakes.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning this evening then changing to 40 percent
chance of showers near midnight. Risk of a thunderstorm this
evening. Wind southwest 30 km/h gusting to 50 becoming light early
this evening. Wind becoming northwest 20 gusting to 40 after
midnight. Low 7.
Wednesday..A mix of sun and cloud. Wind northwest 30 km/h gusting to
50. High 14. UV index 8 or very high.
Wednesday night..Clear. Wind northwest 20 km/h becoming light late in
the evening. Low plus 2 with risk of frost.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Tonight..Cloudy. 30 percent chance of showers early this evening.
Showers beginning this evening then changing to 40 percent chance of
showers near midnight. Risk of a thunderstorm this evening. Wind
west 30 km/h gusting to 50 becoming light early this evening. Wind
becoming west 20 gusting to 40 late this evening. Low 7.
Wednesday..Mainly cloudy. Wind west 30 km/h gusting to 50. High 14.
UV index 8 or very high.
Wednesday night..Clear. Wind northwest 30 km/h becoming light late in
the evening. Low plus 2 with risk of frost.

Peterborough City - Lakefield - Southern Peterborough County.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning this evening then changing to 40 percent
chance of showers near midnight. Risk of a thunderstorm this
evening. Wind southwest 30 km/h gusting to 50 becoming northwest 30
gusting to 50 early this evening. Low 9.
Wednesday..Mainly sunny. Wind northwest 30 km/h gusting to 50.
High 16. UV index 9 or very high.
Wednesday night..Clear. Wind northwest 20 km/h gusting to 40 becoming
light near midnight. Low plus 2 with risk of frost.

Apsley - Woodview - Northern Peterborough County.
Tonight..Cloudy. 30 percent chance of showers early this evening.
Showers beginning this evening then changing to 40 percent chance of
showers near midnight. Risk of a thunderstorm this evening. Wind
southwest 30 km/h gusting to 50 becoming light early this evening.
Wind becoming west 20 gusting to 40 late this evening. Low 9.
Wednesday..A mix of sun and cloud. Wind northwest 20 km/h gusting to
40. High 16. UV index 8 or very high.
Wednesday night..Clear. Wind northwest 20 km/h. Low plus 3 with risk
of frost.

Stirling - Tweed - Madoc.
Tonight..Becoming cloudy this evening with showers changing to
40 percent chance of showers overnight. Risk of a thunderstorm this
evening and after midnight. Wind southwest 30 km/h gusting to 50
becoming light early this evening. Wind becoming west 30 gusting to
50 near midnight. Low 13.
Wednesday..Clearing in the morning. Wind west 30 km/h gusting to 50.
High 19. UV index 9 or very high.
Wednesday night..Clear. Wind northwest 20 km/h becoming light late in
the evening. Wind becoming north 20 gusting to 40 after midnight.
Low plus 4.

Tamworth - Sydenham - South Frontenac.
Tonight..Increasing cloudiness. Showers beginning early this evening
and ending overnight then 40 percent chance of showers. Risk of a
thunderstorm this evening and after midnight. Wind southwest 30 km/h
gusting to 50 becoming light this evening. Wind becoming southwest
20 gusting to 40 late this evening. Low 18.
Wednesday..Clearing in the morning. Wind west 30 km/h gusting to 50.
High 21. UV index 9 or very high.
Wednesday night..Clear. Wind north 20 km/h gusting to 40. Low 6.

Kaladar - Bannockburn - Bon Echo Park.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning early this evening then changing to
40 percent chance of showers near midnight. Risk of a thunderstorm
this evening. Wind southwest 20 km/h gusting to 40 becoming light
this evening. Wind becoming west 30 gusting to 50 near midnight.
Low 14.
Wednesday..Clearing in the morning. Wind west 20 km/h gusting to 40.
High 20. UV index 9 or very high.
Wednesday night..Clear. Wind north 20 km/h becoming light late in the
evening. Low plus 1 with frost.

Bancroft - Hastings Highlands - Denbigh.
Tonight..Cloudy. 30 percent chance of showers early this evening.
Showers beginning early this evening then changing to 40 percent
chance of showers near midnight. Risk of a thunderstorm this
evening. Wind southwest 30 km/h gusting to 50 becoming light early
this evening. Wind becoming west 20 gusting to 40 near midnight.
Low 10.
Wednesday..A mix of sun and cloud. Wind west 30 km/h gusting to 50.
High 15. UV index 8 or very high.
Wednesday night..A few clouds. Wind northwest 20 km/h becoming light
in the evening. Low zero with frost.

Gananoque - Mallorytown.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning this evening then changing to 40 percent
chance of showers after midnight. Risk of a thunderstorm this
evening and after midnight. Wind southwest 20 km/h gusting to 40
becoming light this evening. Wind becoming southwest 20 gusting to
40 late this evening. Low 18.
Wednesday..Clearing in the morning. Wind west 30 km/h gusting to 50.
High 24. UV index 9 or very high.
Wednesday night..Clear. Wind north 20 km/h gusting to 40. Low 6.

Brockville - Prescott.
Tonight..Mainly cloudy. 30 percent chance of showers early this
evening. Showers beginning this evening then changing to 40 percent
chance of showers after midnight. Risk of a thunderstorm this
evening and after midnight. Wind southwest 30 km/h gusting to 50
becoming light before morning. Low 18.
Wednesday..Clearing in the morning. Wind west 30 km/h gusting to 50.
High 24. UV index 9 or very high.
Wednesday night..Clear. Wind northwest 20 km/h gusting to 40 becoming
light late in the evening. Wind becoming north 20 gusting to 40
after midnight. Low 6.

Continued in next message...

--- up 4 days, 7 hours, 57 minutes
* Origin: Northern Realms (618:400/23)

FPCN11 CWTO 200900
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 5:00 a.m. EDT Wednesday 20 May 2026 for
today and Thursday.
The next scheduled forecast will be issued at 11:00 a.m. EDT.

City of Toronto.
Today..Clearing this morning. Wind northwest 30 km/h gusting to 50.
High 18. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h gusting to 40. Low 6.
Thursday..Sunny. Wind northeast 20 km/h becoming light late in the
morning. High 15. UV index 8 or very high.

Windsor - Leamington - Essex County.
Today..Cloudy. 40 percent chance of showers early this morning.
Becoming a mix of sun and cloud near noon. Wind northeast 20 km/h
gusting to 40. High 14. UV index 8 or very high.
Tonight..Clear. Wind northeast 20 km/h gusting to 40 becoming light
this evening. Low plus 5.
Thursday..Sunny. Wind becoming northeast 20 km/h gusting to 40 late
in the morning. High 18. UV index 9 or very high.

Chatham-Kent - Rondeau Park.
Today..Cloudy with 40 percent chance of showers early this morning
then a mix of sun and cloud. Wind north 20 km/h gusting to 40.
High 14. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h gusting to 40 becoming light after
midnight. Low plus 3 with risk of frost.
Thursday..Sunny. Wind becoming east 20 km/h late in the morning.
High 17. UV index 9 or very high.

Sarnia - Petrolia - Western Lambton County.
Today..Cloudy with 40 percent chance of showers early this morning.
Clearing this morning. Wind north 20 km/h gusting to 40. High 11. UV
index 9 or very high.
Tonight..Clear. Wind north 20 km/h gusting to 40 becoming light after
midnight. Low plus 3 with risk of frost.
Thursday..Sunny. Wind becoming north 20 km/h gusting to 40 late in
the morning. High 15. UV index 8 or very high.

Watford - Pinery Park - Eastern Lambton County.
Today..Cloudy with 40 percent chance of showers early this morning.
Clearing this morning. Wind north 20 km/h gusting to 40. High 11. UV
index 9 or very high.
Tonight..Clear. Wind north 20 km/h gusting to 40 becoming light after
midnight. Low plus 3 with risk of frost.
Thursday..Sunny. Wind becoming north 20 km/h gusting to 40 late in
the morning. High 15. UV index 8 or very high.

Rodney - Shedden - Western Elgin County.
Today..Cloudy with 40 percent chance of showers early this morning.
Clearing this morning. Wind north 20 km/h gusting to 40. High 13. UV
index 9 or very high.
Tonight..Clear. Wind north 20 km/h gusting to 40 becoming light late
this evening. Low plus 3 with risk of frost.
Thursday..Sunny. Wind northeast 20 km/h becoming southeast 20 in the
afternoon. High 16. UV index 9 or very high.

St. Thomas - Aylmer - Eastern Elgin County.
Today..Cloudy with 40 percent chance of showers early this morning.
Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 14. UV index 9 or very high.
Tonight..Clear. Wind northwest 20 km/h becoming northeast 20 after
midnight. Low plus 3 with risk of frost.
Thursday..Sunny. Wind northeast 20 km/h becoming light in the
afternoon. High 16. UV index 8 or very high.

Strathroy - Komoka - Western Middlesex County.
Today..Cloudy with 40 percent chance of showers early this morning.
Clearing this morning. Wind north 20 km/h gusting to 40. High 12. UV
index 9 or very high.
Tonight..Clear. Wind north 20 km/h gusting to 40 becoming light this
evening. Low plus 3 with risk of frost.
Thursday..Sunny. Wind becoming northeast 20 km/h late in the morning.
High 16. UV index 8 or very high.

London - Parkhill - Eastern Middlesex County.
Today..Cloudy with 40 percent chance of showers early this morning.
Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 13. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h becoming light this evening. Low
plus 3 with risk of frost.
Thursday..Sunny. Wind becoming northeast 20 km/h late in the morning.
High 16. UV index 8 or very high.

Simcoe - Delhi - Norfolk.
Today..Cloudy with 40 percent chance of showers early this morning
then a mix of sun and cloud. Wind northwest 20 km/h. High 17. UV
index 9 or very high.
Tonight..Clear. Wind northwest 20 km/h becoming light this evening.
Wind becoming northeast 20 gusting to 40 before morning. Low plus 4. Thursday..Sunny. Wind northeast 20 km/h gusting to 40. High 16. UV
index 8 or very high.

Dunnville - Caledonia - Haldimand.
Today..Cloudy with 40 percent chance of showers early this morning.
Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 18. UV index 9 or very high.
Tonight..Clear. Wind becoming northeast 20 km/h gusting to 40 before
morning. Low plus 5.
Thursday..Sunny. Wind northeast 20 km/h gusting to 40. High 16. UV
index 8 or very high.

Woodstock - Tillsonburg - Oxford County.
Today..Cloudy with 40 percent chance of showers early this morning.
Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 15. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h. Low plus 3 with risk of frost. Thursday..Sunny. Wind northeast 20 km/h. High 15. UV index 8 or very
high.

Brantford - County of Brant.
Today..Cloudy with 40 percent chance of showers early this morning.
Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 16. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h becoming light late this evening.
Wind becoming northeast 20 gusting to 40 before morning. Low plus 3
with risk of frost.
Thursday..Sunny. Wind northeast 20 km/h gusting to 40 becoming light
in the afternoon. High 15. UV index 8 or very high.

Niagara Falls - Welland - Southern Niagara Region.
Today..Cloudy with 40 percent chance of showers early this morning
then a mix of sun and cloud. Wind northwest 20 km/h gusting to 40
becoming light late this morning. High 18. UV index 9 or very high. Tonight..Clear. Wind becoming northeast 20 km/h gusting to 40 before
morning. Low 6.
Thursday..Sunny. Wind northeast 20 km/h gusting to 40. High 14. UV
index 8 or very high.

St. Catharines - Grimsby - Northern Niagara Region.
Today..Cloudy with 40 percent chance of showers early this morning
then a mix of sun and cloud. Wind west 20 km/h gusting to 40.
High 18. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h becoming light this evening. Wind
becoming northeast 20 gusting to 40 before morning. Low 6.
Thursday..Sunny. Wind northeast 20 km/h gusting to 40 becoming light
in the afternoon. High 14. UV index 8 or very high.

City of Hamilton.
Today..Cloudy with 40 percent chance of showers early this morning.
Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 17. UV index 9 or very high.
Tonight..Clear. Wind becoming northeast 20 km/h gusting to 40 before
morning. Low 6.
Thursday..Sunny. Wind northeast 20 km/h gusting to 40 becoming light
in the afternoon. High 14. UV index 8 or very high.

Burlington - Oakville.
Today..Clearing this morning. Wind northwest 20 km/h gusting to 40
becoming light this afternoon. High 17. UV index 9 or very high. Tonight..Clear. Low 6.
Thursday..Sunny. High 14. UV index 8 or very high.

Halton Hills - Milton.
Today..Clearing this morning. Wind northwest 20 km/h gusting to 40
becoming light this afternoon. High 16. UV index 9 or very high. Tonight..Clear. Wind becoming northeast 20 km/h before morning. Low
plus 5.
Thursday..Sunny. Wind northeast 20 km/h becoming light in the
afternoon. High 15. UV index 8 or very high.

Mississauga - Brampton.
Today..Clearing this morning. Wind northwest 30 km/h gusting to 50.
High 17. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h gusting to 40 becoming light after
midnight. Wind becoming north 20 before morning. Low plus 5.
Thursday..Sunny. Wind northeast 20 km/h becoming light in the
afternoon. High 15. UV index 8 or very high.

Caledon.
Today..Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 15. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h becoming light after midnight. Low
plus 3 with risk of frost.
Thursday..Sunny. Wind northeast 20 km/h becoming light in the
afternoon. High 14. UV index 8 or very high.

Vaughan - Richmond Hill - Markham.
Today..Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 16. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h gusting to 40 becoming light after
midnight. Wind becoming north 20 before morning. Low plus 4.
Thursday..Sunny. Wind north 20 km/h becoming light late in the
morning. High 15. UV index 8 or very high.

Newmarket - Georgina - Northern York Region.
Today..Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 14. UV index 9 or very high.
Tonight..Clear. Wind northwest 20 km/h. Low plus 3 with risk of
frost.
Thursday..Sunny. Wind north 20 km/h becoming light late in the
morning. High 14. UV index 8 or very high.

Pickering - Oshawa - Southern Durham Region.
Today..Clearing this morning. Wind northwest 30 km/h gusting to 50.
High 16. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h gusting to 40 becoming light after
midnight. Wind becoming north 20 before morning. Low plus 5.
Thursday..Sunny. Wind northeast 20 km/h becoming light late in the
morning. High 15. UV index 8 or very high.

Uxbridge - Beaverton - Northern Durham Region.
Today..Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 13. UV index 9 or very high.
Tonight..Clear. Wind northwest 20 km/h. Low plus 3 with risk of
frost.
Thursday..Sunny. Wind north 20 km/h becoming light late in the
morning. High 14. UV index 8 or very high.

Goderich - Bluewater - Southern Huron County.
Today..Clearing this morning. Wind becoming north 20 km/h gusting to
40 this morning. High 11. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h gusting to 40 becoming light late
this evening. Wind becoming northeast 20 before morning. Low plus 2
with risk of frost.
Thursday..Sunny. Wind northeast 20 km/h becoming northwest 20 late in
the morning. High 16. UV index 8 or very high.

Wingham - Blyth - Northern Huron County.
Today..Clearing this morning. Wind northwest 30 km/h gusting to 50.
High 11. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h. Low plus 1 with risk of frost. Thursday..Sunny. Wind northeast 20 km/h becoming light in the
afternoon. High 16. UV index 8 or very high.

Stratford - Mitchell - Southern Perth County.
Today..Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 11. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h. Low plus 2 with risk of frost. Thursday..Sunny. Wind northeast 20 km/h becoming light in the
afternoon. High 16. UV index 8 or very high.

Listowel - Milverton - Northern Perth County.
Today..Clearing this morning. Wind northwest 30 km/h gusting to 50.
High 11. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h. Low plus 1 with risk of frost. Thursday..Sunny. Wind northeast 20 km/h becoming light in the
afternoon. High 16. UV index 8 or very high.

Kitchener - Cambridge - Region of Waterloo.
Today..Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 14. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h. Low plus 2 with risk of frost. Thursday..Sunny. Wind northeast 20 km/h. High 15. UV index 8 or very
high.

Guelph - Erin - Southern Wellington County.
Today..Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 14. UV index 9 or very high.
Tonight..Clear. Wind becoming northeast 20 km/h before morning. Low
plus 2 with risk of frost.
Thursday..Sunny. Wind northeast 20 km/h becoming light in the
afternoon. High 15. UV index 8 or very high.

Mount Forest - Arthur - Northern Wellington County.
Today..Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 11. UV index 9 or very high.
Tonight..Clear. Wind northwest 20 km/h becoming northeast 20 after
midnight. Low plus 1 with risk of frost.
Thursday..Sunny. Wind northeast 20 km/h becoming light late in the
morning. High 15. UV index 8 or very high.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 15. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h becoming light this evening. Low
plus 2 with risk of frost.
Thursday..Sunny. Wind northeast 20 km/h becoming light in the
afternoon. High 14. UV index 8 or very high.

Shelburne - Mansfield - Northern Dufferin County.
Today..Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 15. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h. Low plus 2 with risk of frost. Thursday..Sunny. Wind northeast 20 km/h becoming light in the
afternoon. High 14. UV index 8 or very high.

Innisfil - New Tecumseth - Angus.
Today..Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 13. UV index 9 or very high.
Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light
late this evening. Low plus 2 with risk of frost.
Thursday..Sunny. Wind north 20 km/h becoming light late in the
morning. High 14. UV index 8 or very high.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..Cloudy. Becoming a mix of sun and cloud this morning. Wind
northwest 20 km/h gusting to 40. High 9. UV index 8 or very high. Tonight..Clear. Wind north 20 km/h gusting to 40 becoming light this
evening. Wind becoming northeast 20 before morning. Low plus 1 with
risk of frost.
Thursday..Sunny. Wind northeast 20 km/h. High 13. UV index 8 or very
high.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..A mix of sun and cloud. Wind northwest 20 km/h gusting to 40.
High 9. UV index 8 or very high.
Tonight..Partly cloudy. Wind northwest 20 km/h gusting to 40 becoming
northeast 20 gusting to 40 late this evening. Low plus 3 with risk
of frost.
Thursday..Sunny. Wind northeast 20 km/h becoming light in the
afternoon. High 12. UV index 7 or high.

Hanover - Dundalk - Southern Grey County.
Today..Cloudy. Becoming a mix of sun and cloud this morning. Wind
northwest 20 km/h gusting to 40. High 11. UV index 8 or very high.
Tonight..A few clouds. Wind becoming northeast 20 km/h before
morning. Low plus 1 with risk of frost.
Thursday..Sunny. Wind northeast 20 km/h becoming light in the
afternoon. High 13. UV index 8 or very high.

Owen Sound - Blue Mountains - Northern Grey County.
Today..Cloudy. Becoming a mix of sun and cloud this morning. Wind
northwest 20 km/h gusting to 40 becoming light this afternoon.
High 10. UV index 8 or very high.
Tonight..Clear. Becoming partly cloudy this evening. Wind becoming
northeast 20 km/h gusting to 40 after midnight. Low plus 2 with risk
of frost.
Thursday..Sunny. Wind northeast 20 km/h gusting to 40 becoming light
in the afternoon. High 12. UV index 8 or very high.

Barrie - Collingwood - Hillsdale.
Today..Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 11. UV index 8 or very high.
Tonight..Clear. Wind northwest 20 km/h becoming northeast 20 after
midnight. Low plus 2 with risk of frost.
Thursday..Sunny. Wind northeast 20 km/h becoming light in the
afternoon. High 14. UV index 8 or very high.

Midland - Coldwater - Orr Lake.
Today..Clearing late this morning. Wind northwest 20 km/h gusting to
40. High 11. UV index 8 or very high.
Tonight..A few clouds. Wind northwest 20 km/h gusting to 40 becoming
northeast 20 gusting to 40 late this evening. Low plus 2 with risk
of frost.
Thursday..Sunny. Wind northeast 30 km/h becoming light in the
morning. High 14. UV index 8 or very high.

Orillia - Lagoon City - Washago.
Today..Cloudy. Becoming a mix of sun and cloud this morning. Wind
northwest 30 km/h gusting to 50. High 11. UV index 8 or very high. Tonight..Clear. Wind northwest 20 km/h gusting to 40 becoming light
late this evening. Wind becoming northeast 30 after midnight. Low
plus 2 with risk of frost.
Thursday..Sunny. Wind northeast 30 km/h becoming light in the
afternoon. High 14. UV index 8 or very high.

Cobourg - Colborne - Western Northumberland County.
Today..Clearing this morning. Wind west 20 km/h gusting to 40.
Temperature steady near 18. UV index 9 or very high.
Tonight..Clear. Wind northwest 20 km/h. Low plus 5.
Thursday..Sunny. Wind northeast 20 km/h becoming south 20 early in
the afternoon. High 14. UV index 8 or very high.

Belleville - Quinte West - Eastern Northumberland County.
Today..Clearing this morning. Wind west 20 km/h gusting to 40.
Temperature steady near 19. UV index 9 or very high.
Tonight..Clear. Wind northwest 20 km/h. Low plus 5.
Thursday..Sunny. Wind northeast 20 km/h becoming south 20 early in
the afternoon. High 16. UV index 8 or very high.

Picton - Sandbanks Park.
Today..Clearing this morning. Wind west 20 km/h gusting to 40.
Temperature steady near 19. UV index 9 or very high.
Tonight..Clear. Wind northwest 20 km/h. Low 6.
Thursday..Sunny. Wind northeast 20 km/h becoming south 20 early in
the afternoon. High 16. UV index 8 or very high.

Napanee - Consecon.
Today..Clearing this morning. Wind west 20 km/h gusting to 40.
Temperature steady near 19. UV index 9 or very high.
Tonight..Clear. Wind northwest 20 km/h. Low plus 5.
Thursday..Sunny. Wind northeast 20 km/h becoming south 20 early in
the afternoon. High 16. UV index 8 or very high.

Kingston - Odessa - Frontenac Islands.
Today..Clearing this morning. Wind west 20 km/h gusting to 40.
Temperature steady near 18. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h gusting to 40. Low 6.
Thursday..Sunny. Wind north 20 km/h gusting to 40. High 16. UV
index 8 or very high.

Lindsay - Southern Kawartha Lakes.
Today..Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 14. UV index 9 or very high.
Tonight..Clear. Wind northwest 20 km/h becoming northeast 20 after
midnight. Low plus 2 with risk of frost.
Thursday..Sunny. Wind north 20 km/h becoming light late in the
morning. High 16. UV index 8 or very high.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Today..Cloudy. Becoming a mix of sun and cloud this morning. Wind
west 20 km/h gusting to 40. High 15. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h gusting to 40 becoming light late
this evening. Low plus 1 with risk of frost.
Thursday..Sunny. Wind north 20 km/h becoming light in the afternoon.
High 16. UV index 8 or very high.

Peterborough City - Lakefield - Southern Peterborough County.
Today..Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 16. UV index 9 or very high.
Tonight..Clear. Wind northwest 20 km/h becoming light this evening.
Low plus 2 with risk of frost.
Thursday..Sunny. Wind northeast 20 km/h becoming light late in the
morning. High 16. UV index 8 or very high.

Apsley - Woodview - Northern Peterborough County.
Today..Clearing this morning. Wind northwest 20 km/h gusting to 40.
High 16. UV index 8 or very high.
Tonight..Clear. Wind north 20 km/h becoming light late this evening.
Low plus 1 with risk of frost.
Thursday..Sunny. High 16. UV index 8 or very high.

Stirling - Tweed - Madoc.
Today..Clearing this morning. Wind west 20 km/h gusting to 40.
Temperature steady near 19. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h gusting to 40. Low plus 3 with
risk of frost.
Thursday..Sunny. Wind northeast 20 km/h becoming light late in the
morning. High 16. UV index 8 or very high.

Tamworth - Sydenham - South Frontenac.
Today..Clearing this morning. Wind west 20 km/h gusting to 40.
Temperature steady near 20. UV index 9 or very high.
Tonight..Clear. Wind north 20 km/h gusting to 40. Low plus 3 with
risk of frost.
Thursday..Sunny. Wind north 20 km/h becoming light in the afternoon.
High 16. UV index 8 or very high.

Kaladar - Bannockburn - Bon Echo Park.
Today..Clearing this morning. Wind becoming west 20 km/h gusting to
40 this morning then becoming north 20 this afternoon. Temperature
steady near 16. UV index 8 or very high.
Tonight..Clear. Wind north 20 km/h. Low plus 1 with risk of frost. Thursday..Sunny. Wind north 20 km/h becoming light in the afternoon.
High 16. UV index 8 or very high.

Bancroft - Hastings Highlands - Denbigh.
Today..Clearing this morning. Wind becoming northwest 20 km/h gusting
to 40 this morning. Temperature steady near 15. UV index 8 or very
high.
Tonight..A few clouds. Wind north 20 km/h becoming light after
midnight. Low zero with patchy frost.
Thursday..Sunny. High 14. UV index 8 or very high.

Gananoque - Mallorytown.
Today..Cloudy. Becoming a mix of sun and cloud this morning. Wind
becoming west 20 km/h gusting to 40 this morning. Temperature steady
near 20. UV index 8 or very high.
Tonight..Clear. Becoming partly cloudy after midnight. Wind north
20 km/h gusting to 40. Low plus 5.
Thursday..Sunny. Wind north 20 km/h gusting to 40 becoming light in
the afternoon. High 16. UV index 8 or very high.

Brockville - Prescott.
Today..Clearing early this afternoon. Wind becoming west 20 km/h
gusting to 40 this morning then becoming north 20 gusting to 40 late
this afternoon. Temperature steady near 21. UV index 8 or very high. Tonight..A few clouds. Wind north 20 km/h gusting to 40. Low plus 5. Thursday..A mix of sun and cloud. Becoming sunny late in the morning.
Wind north 20 km/h becoming light late in the morning. High 16. UV
index 8 or very high.

Westport - Charleston Lake.
Today..Clearing early this afternoon. Wind becoming west 20 km/h
gusting to 40 this morning then becoming north 20 gusting to 40 late
this afternoon. Temperature steady near 21. UV index 8 or very high. Tonight..Clear. Becoming partly cloudy after midnight. Wind north
20 km/h gusting to 40. Low plus 4.
Thursday..Sunny. Wind north 20 km/h becoming light in the afternoon.
High 16. UV index 8 or very high.

Merrickville-Wolford - Kemptville.
Today..Clearing this morning. Wind becoming northwest 20 km/h gusting
to 40 this morning. Temperature steady near 21. UV index 8 or very
high.
Tonight..A few clouds. Wind north 20 km/h gusting to 40 becoming
light after midnight. Wind becoming north 20 before morning. Low
plus 4.
Thursday..A mix of sun and cloud. Becoming sunny late in the morning.
Wind north 20 km/h. High 16. UV index 7 or high.

Ottawa North - Kanata - Orléans.
Today..Clearing this morning. Wind becoming west 20 km/h gusting to
40 this morning. Temperature steady near 20. UV index 8 or very
high.
Tonight..Clear. Becoming partly cloudy this evening. Wind north
20 km/h gusting to 40 becoming light after midnight. Wind becoming
north 20 before morning. Low plus 4.
Thursday..A mix of sun and cloud. Clearing late in the morning. Wind
north 20 km/h. High 15. UV index 7 or high.

Ottawa South - Richmond - Metcalfe.
Today..Clearing this morning. Wind becoming west 20 km/h gusting to
40 this morning. Temperature steady near 20. UV index 8 or very
high.
Tonight..Clear. Becoming partly cloudy this evening. Wind north
20 km/h gusting to 40 becoming light after midnight. Wind becoming
north 20 before morning. Low plus 4.
Thursday..A mix of sun and cloud. Clearing late in the morning. Wind
north 20 km/h. High 15. UV index 7 or high.

Gatineau.
Today..Clearing this morning. Wind becoming northwest 20 km/h this
morning. Temperature steady near 20. UV index 8 or very high.
Tonight..Clear. Becoming partly cloudy this evening. Wind northwest
20 km/h. Low plus 4.
Thursday..A mix of sun and cloud. Clearing late in the morning. Wind
north 20 km/h. High 15. UV index 7 or high.

Prescott and Russell.
Today..Clearing this morning. Wind becoming west 20 km/h gusting to
40 this morning. Temperature steady near 21. UV index 8 or very
high.
Tonight..Clear. Becoming partly cloudy near midnight. Wind north
20 km/h gusting to 40. Low plus 4.
Thursday..A mix of sun and cloud. Becoming sunny late in the morning.
Wind north 20 km/h becoming light late in the morning. High 16. UV
index 7 or high.

Morrisburg - Long Sault.
Today..Cloudy. Becoming a mix of sun and cloud this morning. Wind
becoming northwest 20 km/h gusting to 40 this morning. Temperature
steady near 22. Humidex 25. UV index 8 or very high.
Tonight..A few clouds. Wind north 20 km/h gusting to 40. Low plus 4. Thursday..A mix of sun and cloud. Clearing late in the morning. Wind
north 20 km/h becoming light late in the morning. High 16. UV
index 7 or high.

Cornwall - Lancaster.
Today..Clearing late this morning. Wind becoming west 20 km/h gusting
to 40 this morning. Temperature steady near 22. Humidex 25. UV
index 8 or very high.
Tonight..A few clouds. Wind north 20 km/h gusting to 40. Low plus 4. Thursday..A mix of sun and cloud. Becoming sunny in the morning. Wind
north 20 km/h becoming light in the morning. High 16. UV index 7 or
high.

Winchester - Newington.
Today..Clearing this morning. Wind becoming northwest 20 km/h gusting
to 40 this morning. Temperature steady near 22. Humidex 25. UV
index 8 or very high.
Tonight..A few clouds. Wind northwest 20 km/h gusting to 40 becoming
light late this evening. Wind becoming north 20 before morning. Low
plus 4.
Thursday..A mix of sun and cloud. Becoming sunny late in the morning.
Wind north 20 km/h becoming light late in the morning. High 16. UV
index 7 or high.

Maxville - Alexandria.
Today..Clearing this morning. Wind becoming west 20 km/h gusting to
40 this morning. Temperature steady near 21. UV index 8 or very
high.
Tonight..A few clouds. Wind north 20 km/h gusting to 40 becoming
light late this evening. Wind becoming north 20 before morning. Low
plus 4.
Thursday..A mix of sun and cloud. Becoming sunny late in the morning.
Wind north 20 km/h becoming light late in the morning. High 16. UV
index 7 or high.

Plevna - Sharbot Lake - Western Lanark County.
Today..Clearing this morning. Wind becoming northwest 20 km/h gusting
to 40 this morning. Temperature steady near 19. UV index 8 or very
high.
Tonight..A few clouds. Wind north 20 km/h. Low plus 2 with risk of
frost.
Thursday..Sunny. Wind north 20 km/h becoming light in the afternoon.
High 15. UV index 7 or high.

Smiths Falls - Perth - Eastern Lanark County.
Today..Clearing this morning. Wind becoming northwest 20 km/h gusting
to 40 this morning. Temperature steady near 19. UV index 8 or very
high.
Tonight..A few clouds. Wind north 20 km/h gusting to 40 becoming
light after midnight. Wind becoming north 20 before morning. Low
plus 3 with risk of frost.
Thursday..A mix of sun and cloud. Becoming sunny in the morning. Wind
north 20 km/h. High 15. UV index 7 or high.

Port Carling - Port Severn.
Today..Cloudy. Becoming a mix of sun and cloud this morning. Wind
northwest 20 km/h gusting to 40. High 12. UV index 8 or very high.
Tonight..A few clouds. Wind northwest 20 km/h gusting to 40 becoming
light late this evening. Wind becoming northeast 30 after midnight.
Low plus 1 with risk of frost.
Thursday..Sunny. Wind north 20 km/h becoming light late in the
morning. High 14. UV index 8 or very high.

Bracebridge - Gravenhurst.
Today..Mainly cloudy. Clearing this afternoon. Wind west 20 km/h
gusting to 40. High 13. UV index 8 or very high.
Tonight..Clear. Wind north 20 km/h. Low plus 1 with risk of frost. Thursday..Sunny. Wind northeast 20 km/h becoming light in the
afternoon. High 15. UV index 8 or very high.

Town of Parry Sound - Rosseau - Killbear Park.
Today..Cloudy. Becoming a mix of sun and cloud this morning. Wind
northwest 20 km/h gusting to 40. High 12. UV index 8 or very high. Tonight..Partly cloudy. Clearing late this evening. Wind northwest
20 km/h gusting to 40 becoming light this evening. Wind becoming
northeast 30 after midnight. Low zero with patchy frost.
Thursday..Sunny. Wind northeast 20 km/h becoming light in the
afternoon. High 14. UV index 7 or high.

Huntsville - Baysville.
Today..Cloudy. Becoming a mix of sun and cloud this morning. Wind
northwest 20 km/h. High 13. UV index 8 or very high.
Tonight..A few clouds. Wind north 20 km/h. Low minus 1 with frost. Thursday..Sunny. Wind northeast 20 km/h becoming light in the
afternoon. High 14. UV index 7 or high.

Haliburton - Minden - Southern Haliburton County.
Today..Clearing late this morning. Wind becoming northwest 20 km/h
gusting to 40 this morning. High 13. UV index 8 or very high.
Tonight..A few clouds. Wind north 20 km/h becoming light this
evening. Low zero with patchy frost.
Thursday..Sunny. High 14. UV index 7 or high.

Oxtongue Lake - Fort Irwin - Northern Haliburton County.
Today..Clearing late this morning. Wind becoming northwest 20 km/h
gusting to 40 this morning. High 13. UV index 8 or very high.
Tonight..A few clouds. Wind north 20 km/h becoming light this
evening. Low minus 1 with frost.
Thursday..Sunny. High 14. UV index 7 or high.

Barry's Bay - Killaloe.
Today..Clearing late this morning. Wind becoming northwest 20 km/h
gusting to 40 this morning. Temperature falling to 14 this morning
then steady. UV index 8 or very high.
Tonight..Partly cloudy. Low zero with patchy frost.
Thursday..Clearing in the morning. High 14. UV index 7 or high.

Renfrew - Arnprior - Calabogie.
Today..Clearing this morning. Wind becoming northwest 20 km/h gusting
to 40 this morning. Temperature falling to 14 this morning then
steady. UV index 8 or very high.
Tonight..Clear. Becoming partly cloudy this evening. Wind northwest
20 km/h gusting to 40 becoming light this evening. Low plus 2 with
risk of frost.
Thursday..Clearing in the morning. High 15. UV index 7 or high.

Petawawa - Pembroke - Cobden.
Today..Cloudy. Becoming a mix of sun and cloud this morning. Wind
northwest 20 km/h gusting to 40. Temperature falling to 14 this
morning then steady. UV index 8 or very high.
Tonight..Mainly cloudy. Wind northwest 20 km/h gusting to 40 becoming
light this evening. Low plus 1 with risk of frost.
Thursday..Clearing in the morning. High 15. UV index 7 or high.

Western Algonquin Park - Lake of Two Rivers.
Today..Cloudy. Becoming a mix of sun and cloud this morning. Wind
becoming northwest 20 km/h gusting to 40 this morning. High 13. UV
index 8 or very high.
Tonight..Partly cloudy. Wind northwest 20 km/h gusting to 40 becoming
light after midnight. Low minus 2 with frost. Wind chill minus 7
overnight.
Thursday..Clearing in the morning. Wind becoming northeast 20 km/h in
the morning. High 13. UV index 7 or high.

Deep River - Whitney - Eastern Algonquin Park.
Today..Cloudy. Becoming a mix of sun and cloud this morning. Wind
becoming northwest 20 km/h gusting to 40 this morning. High 13. UV
index 8 or very high.
Tonight..Partly cloudy. Wind north 20 km/h becoming light this
evening. Low minus 2 with frost. Wind chill minus 7 overnight. Thursday..Clearing in the morning. High 13. UV index 7 or high.

Bayfield Inlet - Dunchurch.
Today..Cloudy. Becoming a mix of sun and cloud this morning. Wind
west 20 km/h becoming north 20 this afternoon. High 12. UV index 8
or very high.
Tonight..A few clouds. Wind becoming northeast 20 km/h before
morning. Low zero with patchy frost.
Thursday..Sunny. Wind northeast 20 km/h becoming light in the
afternoon. High 14. UV index 7 or high.

South River - Burk's Falls.
Today..Cloudy. Becoming a mix of sun and cloud this morning. Wind
west 20 km/h becoming north 20 this afternoon. High 13. UV index 8
or very high.
Tonight..A few clouds. Wind becoming northeast 20 km/h before
morning. Low minus 1 with frost.
Thursday..Sunny. Wind northeast 20 km/h becoming light in the
afternoon. High 13. UV index 7 or high.

Continued in next message...

--- up 4 days, 21 hours, 27 minutes
* Origin: Northern Realms (618:400/23)

FPCN11 CWTO 220900
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 5:00 a.m. EDT Friday 22 May 2026 for today
and Saturday.
The next scheduled forecast will be issued at 11:00 a.m. EDT.

City of Toronto.
Today..Mainly sunny. Wind east 30 km/h gusting to 50. High 15. UV
index 8 or very high.
Tonight..A few clouds. Increasing cloudiness near midnight. Wind east
30 km/h gusting to 50. Low 11.
Saturday..Cloudy. Rain beginning in the morning. Amount 10 to 15 mm.
Wind east 30 km/h gusting to 50. Temperature steady near 11. UV
index 3 or moderate.

Windsor - Leamington - Essex County.
Today..Mainly sunny. Increasing cloudiness this afternoon. Wind east
30 km/h gusting to 50. High 19. UV index 9 or very high.
Tonight..Cloudy. Periods of rain beginning near midnight. Wind east
30 km/h gusting to 50. Low 11.
Saturday..Rain. Risk of a thunderstorm late in the afternoon. Amount
20 to 30 mm. Wind east 30 km/h gusting to 50. High 17. UV index 2 or
low.

Chatham-Kent - Rondeau Park.
Today..Mainly sunny. Increasing cloudiness early this afternoon. Wind
east 30 km/h gusting to 50. High 18. UV index 9 or very high.
Tonight..Cloudy. Periods of rain beginning near midnight. Wind east
30 km/h gusting to 50. Low 11.
Saturday..Rain. Risk of a thunderstorm late in the afternoon. Amount
20 to 30 mm. Wind east 40 km/h gusting to 60. High 15. UV index 2 or
low.

Sarnia - Petrolia - Western Lambton County.
Today..A mix of sun and cloud. Wind east 30 km/h gusting to 50.
High 19. UV index 8 or very high.
Tonight..Cloudy. Periods of rain beginning overnight. Wind southeast
30 km/h gusting to 50. Low 13.
Saturday..Rain. Amount 15 to 25 mm. Wind southeast 30 km/h gusting to
50. High 14. UV index 2 or low.

Watford - Pinery Park - Eastern Lambton County.
Today..Mainly sunny. Wind northeast 30 km/h gusting to 50. High 19.
UV index 8 or very high.
Tonight..Cloudy. Periods of rain beginning overnight. Wind northeast
20 km/h gusting to 40 becoming light late this evening. Wind
becoming east 30 gusting to 50 before morning. Low 14.
Saturday..Rain. Amount 15 to 25 mm. Wind east 30 km/h gusting to 50.
Temperature steady near 12. UV index 2 or low.

Rodney - Shedden - Western Elgin County.
Today..Sunny. Increasing cloudiness early this afternoon. Wind east
30 km/h gusting to 50. High 18. UV index 9 or very high.
Tonight..Cloudy. Periods of rain beginning overnight. Wind east
30 km/h gusting to 50. Low 13.
Saturday..Rain. Amount 20 to 30 mm. Wind east 30 km/h gusting to 50.
Temperature steady near 12. UV index 2 or low.

St. Thomas - Aylmer - Eastern Elgin County.
Today..Sunny. Increasing cloudiness this afternoon. Wind east 30 km/h
gusting to 50. High 18. UV index 9 or very high.
Tonight..Cloudy. Periods of rain beginning overnight. Wind east
30 km/h gusting to 50. Low 13.
Saturday..Rain. Amount 20 to 30 mm. Wind east 30 km/h gusting to 50.
Temperature steady near 12. UV index 2 or low.

Strathroy - Komoka - Western Middlesex County.
Today..Mainly sunny. Increasing cloudiness early this afternoon. Wind
east 20 km/h gusting to 40. High 19. UV index 9 or very high.
Tonight..Cloudy. Periods of rain beginning overnight. Wind southeast
30 km/h gusting to 50. Low 14.
Saturday..Rain. Amount 15 to 25 mm. Wind east 30 km/h gusting to 50.
Temperature steady near 12. UV index 2 or low.

London - Parkhill - Eastern Middlesex County.
Today..Sunny. Becoming a mix of sun and cloud this afternoon. Wind
east 30 km/h gusting to 50. High 19. UV index 9 or very high.
Tonight..Cloudy. Periods of rain beginning overnight. Wind east
30 km/h gusting to 50. Low 14.
Saturday..Rain. Amount 15 to 25 mm. Wind east 30 km/h gusting to 50.
Temperature steady near 12. UV index 2 or low.

Simcoe - Delhi - Norfolk.
Today..Sunny. Increasing cloudiness this afternoon. Wind east 30 km/h
gusting to 50. High 17. UV index 9 or very high.
Tonight..Cloudy. Periods of rain beginning overnight. Wind northeast
20 km/h gusting to 40 becoming light late this evening. Wind
becoming east 30 gusting to 50 after midnight. Low 12.
Saturday..Rain. Amount 20 to 30 mm. Wind east 30 km/h gusting to 50.
High 13. UV index 2 or low.

Dunnville - Caledonia - Haldimand.
Today..Sunny. Becoming a mix of sun and cloud this afternoon. Wind
northeast 30 km/h gusting to 50. High 17. UV index 9 or very high. Tonight..Cloudy. 40 percent chance of showers before morning. Wind
northeast 20 km/h gusting to 40 becoming light late this evening.
Wind becoming east 30 gusting to 50 before morning. Low 13.
Saturday..Periods of rain. Amount 15 to 25 mm. Wind east 30 km/h
gusting to 50. Temperature steady near 12. UV index 2 or low.

Woodstock - Tillsonburg - Oxford County.
Today..Sunny. Becoming a mix of sun and cloud this afternoon. Wind
east 30 km/h gusting to 50. High 16. UV index 8 or very high.
Tonight..Cloudy. 40 percent chance of showers before morning. Wind
east 30 km/h gusting to 50. Low 12.
Saturday..Periods of rain. Amount 15 to 25 mm. Wind east 30 km/h
gusting to 50. High 13 with temperature falling to 10 in the
afternoon. UV index 2 or low.

Brantford - County of Brant.
Today..Mainly sunny. Wind becoming northeast 30 km/h gusting to 50
this morning. High 15. UV index 8 or very high.
Tonight..Mainly cloudy. 40 percent chance of showers before morning.
Wind northeast 30 km/h gusting to 50 becoming light late this
evening. Wind becoming east 20 gusting to 40 before morning. Low 12. Saturday..Periods of rain. Amount 15 to 25 mm. Wind east 20 km/h
gusting to 40. High 14. UV index 2 or low.

Niagara Falls - Welland - Southern Niagara Region.
Today..Sunny. Becoming a mix of sun and cloud this afternoon. Wind
becoming northeast 20 km/h gusting to 40 this morning. High 19. UV
index 9 or very high.
Tonight..Cloudy. 40 percent chance of showers before morning. Wind
east 20 km/h gusting to 40 becoming light late this evening. Wind
becoming southeast 20 before morning. Low 12.
Saturday..Periods of rain. Amount 15 to 25 mm. Wind east 20 km/h
gusting to 40. Temperature steady near 12. UV index 2 or low.

St. Catharines - Grimsby - Northern Niagara Region.
Today..Sunny. Wind becoming northeast 20 km/h gusting to 40 this
morning. High 15. UV index 9 or very high.
Tonight..Partly cloudy. Becoming cloudy late this evening. Wind east
20 km/h gusting to 40 becoming light late this evening. Low 12. Saturday..Cloudy. Periods of rain beginning in the morning. Amount 10
to 20 mm. Wind becoming southeast 30 km/h gusting to 50 in the
morning. Temperature steady near 12. UV index 2 or low.

City of Hamilton.
Today..Mainly sunny. Wind northeast 30 km/h gusting to 50. High 13.
UV index 9 or very high.
Tonight..Partly cloudy. Becoming cloudy this evening. Wind northeast
30 km/h gusting to 50 becoming light late this evening. Wind
becoming east 20 before morning. Temperature steady near 11.
Saturday..Cloudy. Periods of rain beginning in the morning. Amount 10
to 20 mm. Wind becoming east 20 km/h gusting to 40 in the morning.
High 13 with temperature falling to 10 in the afternoon. UV index 2
or low.

Burlington - Oakville.
Today..Sunny. Wind northeast 30 km/h gusting to 50. High 14. UV
index 8 or very high.
Tonight..Increasing cloudiness this evening. Wind northeast 20 km/h
gusting to 40. Low 9.
Saturday..Cloudy. Periods of rain beginning in the morning. Amount 10
to 20 mm. Wind east 30 km/h gusting to 50. High 11. UV index 2 or
low.

Halton Hills - Milton.
Today..Sunny. Wind east 20 km/h gusting to 40. High 14. UV index 8 or
very high.
Tonight..Increasing cloudiness late this evening. Wind east 20 km/h
gusting to 40. Low 9.
Saturday..Cloudy. Periods of rain beginning in the morning. Amount 10
to 15 mm. Wind east 30 km/h gusting to 50. High 11. UV index 2 or
low.

Mississauga - Brampton.
Today..Sunny. Wind becoming east 30 km/h gusting to 50 this morning.
High 15. UV index 8 or very high.
Tonight..A few clouds. Increasing cloudiness near midnight. Wind east
20 km/h gusting to 40. Low 9.
Saturday..Cloudy. Rain beginning in the morning. Amount 10 to 15 mm.
Wind east 30 km/h gusting to 50. High 11. UV index 3 or moderate.

Caledon.
Today..Sunny. Wind becoming east 30 km/h gusting to 50 this morning.
High 15. UV index 8 or very high.
Tonight..A few clouds. Increasing cloudiness near midnight. Wind
southeast 20 km/h. Low 11.
Saturday..Cloudy. Rain beginning in the morning. Amount 10 to 15 mm.
Wind southeast 30 km/h gusting to 50. High 13 with temperature
falling to 9 in the afternoon. UV index 4 or moderate.

Vaughan - Richmond Hill - Markham.
Today..Sunny. Wind becoming east 20 km/h gusting to 40 this morning.
High 16. UV index 8 or very high.
Tonight..Clear. Becoming partly cloudy late this evening. Wind east
20 km/h gusting to 40. Low 11.
Saturday..Cloudy. Rain beginning in the morning. Amount 10 to 15 mm.
Wind east 30 km/h gusting to 50. High 13 with temperature falling
to 9 in the afternoon. UV index 4 or moderate.

Newmarket - Georgina - Northern York Region.
Today..Sunny. Wind becoming east 20 km/h this morning. High 17. UV
index 8 or very high.
Tonight..Clear. Becoming partly cloudy after midnight. Wind east
20 km/h. Low 11.
Saturday..Mainly cloudy. Rain beginning in the morning. Wind
southeast 30 km/h gusting to 50. High 13 with temperature falling
to 9 in the afternoon. UV index 4 or moderate.

Pickering - Oshawa - Southern Durham Region.
Today..Sunny. Wind becoming east 30 km/h gusting to 50 this morning.
High 17. UV index 8 or very high.
Tonight..A few clouds. Wind east 20 km/h gusting to 40. Low 11. Saturday..Cloudy. Rain beginning in the morning. Wind east 20 km/h
gusting to 50 increasing to 40 gusting to 60 late in the afternoon.
High 13 with temperature falling to 9 in the afternoon. UV index 4
or moderate.

Uxbridge - Beaverton - Northern Durham Region.
Today..Sunny. Wind becoming east 20 km/h gusting to 40 this morning.
High 17. UV index 8 or very high.
Tonight..A few clouds. Wind east 20 km/h becoming light this evening.
Wind becoming southeast 20 gusting to 40 after midnight. Low 11. Saturday..Becoming cloudy in the morning. Rain beginning early in the
afternoon. Wind southeast 30 km/h gusting to 50. High 13 with
temperature falling to 9 in the afternoon. UV index 6 or high.

Goderich - Bluewater - Southern Huron County.
Today..Sunny. Wind east 20 km/h gusting to 40. High 18. UV index 8 or
very high.
Tonight..Increasing cloudiness this evening. Wind east 30 km/h
gusting to 50. Low 11.
Saturday..Cloudy. Periods of rain beginning in the morning. Amount 10
to 15 mm. Wind southeast 30 km/h gusting to 50. High 15. UV index 2
or low.

Wingham - Blyth - Northern Huron County.
Today..Sunny. Wind east 20 km/h gusting to 40. High 18. UV index 8 or
very high.
Tonight..Increasing cloudiness. Wind southeast 30 km/h gusting to 50.
Low 11.
Saturday..Cloudy. Periods of rain beginning in the morning. Amount 10
to 15 mm. Wind southeast 30 km/h gusting to 50. High 15. UV index 2
or low.

Stratford - Mitchell - Southern Perth County.
Today..Sunny. Wind east 30 km/h gusting to 50. High 17. UV index 8 or
very high.
Tonight..Partly cloudy. Becoming cloudy this evening. Wind east
30 km/h gusting to 50. Low 11.
Saturday..Cloudy. Periods of rain beginning in the morning. Amount 10
to 15 mm. Wind east 30 km/h gusting to 50. High 13. UV index 2 or
low.

Listowel - Milverton - Northern Perth County.
Today..Mainly sunny. Wind east 30 km/h gusting to 50. High 17. UV
index 8 or very high.
Tonight..Increasing cloudiness this evening. Wind east 30 km/h
gusting to 50. Low 11.
Saturday..Cloudy. Periods of rain beginning in the morning. Amount 10
to 15 mm. Wind east 30 km/h gusting to 50. High 13. UV index 2 or
low.

Kitchener - Cambridge - Region of Waterloo.
Today..Sunny. Wind east 30 km/h gusting to 50. High 15. UV index 8 or
very high.
Tonight..Partly cloudy. Becoming cloudy near midnight. Wind east
30 km/h gusting to 50. Low 10.
Saturday..Cloudy. Periods of rain beginning in the morning. Amount 10
to 15 mm. Wind east 30 km/h gusting to 50. High 12. UV index 2 or
low.

Guelph - Erin - Southern Wellington County.
Today..Sunny. Wind east 30 km/h gusting to 50. High 15. UV index 8 or
very high.
Tonight..A few clouds. Increasing cloudiness late this evening. Wind
east 20 km/h gusting to 40. Low 10.
Saturday..Cloudy. Periods of rain beginning in the morning. Amount 10
to 15 mm. Wind east 30 km/h gusting to 50. High 12. UV index 2 or
low.

Mount Forest - Arthur - Northern Wellington County.
Today..Sunny. Wind east 20 km/h gusting to 40. High 15. UV index 8 or
very high.
Tonight..A few clouds. Increasing cloudiness near midnight. Wind east
30 km/h gusting to 50. Low 10.
Saturday..Mainly cloudy. Rain beginning in the morning. Amount 10 to
15 mm. Wind southeast 30 km/h gusting to 50. High 12. UV index 4 or
moderate.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Sunny. Wind becoming east 20 km/h gusting to 40 this morning.
High 16. UV index 8 or very high.
Tonight..A few clouds. Increasing cloudiness after midnight. Wind
east 20 km/h becoming light this evening. Low 10.
Saturday..Cloudy. Rain beginning in the morning. Amount 10 to 15 mm.
Wind becoming southeast 30 km/h gusting to 50 in the morning.
High 12. UV index 4 or moderate.

Shelburne - Mansfield - Northern Dufferin County.
Today..Sunny. Wind becoming east 20 km/h gusting to 40 this morning.
High 16. UV index 8 or very high.
Tonight..Clear. Increasing cloudiness near midnight. Wind east
30 km/h gusting to 50. Low 9.
Saturday..Mainly cloudy. Rain beginning in the morning. Wind
southeast 30 km/h gusting to 60. High 12. UV index 4 or moderate.

Innisfil - New Tecumseth - Angus.
Today..Mainly sunny. Wind becoming east 20 km/h this morning.
High 17. UV index 8 or very high.
Tonight..Clear. Becoming partly cloudy after midnight. Wind east
20 km/h. Low 11.
Saturday..Mainly cloudy. Rain beginning in the morning. Wind
southeast 30 km/h gusting to 50. High 13. UV index 4 or moderate.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..Mainly sunny. Wind east 20 km/h gusting to 40. High 17. UV
index 8 or very high.
Tonight..Increasing cloudiness. Wind east 20 km/h gusting to 40.
Low 7.
Saturday..Cloudy. Rain beginning in the morning. Wind southeast
30 km/h gusting to 50. High 14. UV index 3 or moderate.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..Mainly sunny. Wind becoming east 30 km/h gusting to 50 this
morning. High 15. UV index 8 or very high.
Tonight..Clear. Wind east 20 km/h becoming light this evening. Wind
becoming east 20 gusting to 40 late this evening. Low 7.
Saturday..Increasing cloudiness. Periods of rain beginning late in
the morning. Wind east 20 km/h gusting to 60 becoming southeast 40
gusting to 60 late in the morning. High 14. UV index 6 or high.

Hanover - Dundalk - Southern Grey County.
Today..Mainly sunny. Wind becoming east 20 km/h gusting to 40 this
morning. High 15. UV index 8 or very high.
Tonight..Clear. Becoming partly cloudy after midnight. Wind east
30 km/h gusting to 50. Low 7.
Saturday..Mainly cloudy. Rain beginning in the morning. Wind
southeast 30 km/h gusting to 50. High 14. UV index 4 or moderate.

Owen Sound - Blue Mountains - Northern Grey County.
Today..Mainly sunny. Wind becoming east 30 km/h gusting to 50 this
morning. High 15. UV index 8 or very high.
Tonight..Clear. Becoming partly cloudy overnight. Wind east 20 km/h
gusting to 40. Low 7.
Saturday..Mainly cloudy. Rain beginning in the morning. Wind
southeast 30 km/h gusting to 50. High 14. UV index 3 or moderate.

Barrie - Collingwood - Hillsdale.
Today..Sunny. Wind becoming east 20 km/h gusting to 40 this morning.
High 17. UV index 8 or very high.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light this
evening. Wind becoming east 20 gusting to 40 late this evening.
Low 10.
Saturday..Increasing cloudiness. Rain beginning in the morning. Wind
east 20 km/h gusting to 40 becoming southeast 40 gusting to 60 in
the morning. High 15. UV index 4 or moderate.

Midland - Coldwater - Orr Lake.
Today..Sunny. Wind becoming east 30 km/h gusting to 50 this morning.
High 16. UV index 8 or very high.
Tonight..Clear. Wind east 20 km/h gusting to 40. Low 10.
Saturday..Mainly sunny. Increasing cloudiness near noon then rain.
Wind southeast 40 km/h gusting to 60. High 15. UV index 8 or very
high.

Orillia - Lagoon City - Washago.
Today..Sunny. Wind becoming east 30 km/h gusting to 50 this morning.
High 17. UV index 8 or very high.
Tonight..Clear. Wind east 30 km/h. Low 11.
Saturday..Mainly sunny. Increasing cloudiness late in the morning
then rain. Wind southeast 40 km/h gusting to 60. High 15 with
temperature falling to 10 in the afternoon. UV index 7 or high.

Cobourg - Colborne - Western Northumberland County.
Today..Sunny. Wind becoming east 20 km/h gusting to 40 this morning.
High 18. UV index 8 or very high.
Tonight..Clear. Wind northeast 20 km/h becoming light after midnight.
Low 10.
Saturday..A mix of sun and cloud. Becoming cloudy near noon then
rain. Wind becoming south 30 km/h gusting to 50 in the morning then
east 20 gusting to 40 in the afternoon. High 16. UV index 8 or very
high.

Belleville - Quinte West - Eastern Northumberland County.
Today..Sunny. Wind becoming east 20 km/h gusting to 40 this morning.
High 19. UV index 8 or very high.
Tonight..Clear. Wind northeast 20 km/h becoming light after midnight.
Low 10.
Saturday..A mix of sun and cloud. Becoming cloudy near noon then
rain. Wind becoming south 30 km/h gusting to 50 in the morning then
east 20 gusting to 40 in the afternoon. High 16. UV index 8 or very
high.

Picton - Sandbanks Park.
Today..Sunny. Wind becoming east 20 km/h gusting to 40 this morning.
High 17. UV index 8 or very high.
Tonight..Clear. Wind northeast 20 km/h becoming light after midnight.
Low 10.
Saturday..A mix of sun and cloud. Becoming cloudy near noon then
rain. Wind becoming south 30 km/h gusting to 50 in the morning then
east 20 gusting to 40 in the afternoon. High 16. UV index 8 or very
high.

Napanee - Consecon.
Today..Sunny. Wind becoming east 20 km/h gusting to 40 this morning.
High 19. UV index 8 or very high.
Tonight..Clear. Wind northeast 20 km/h becoming light after midnight.
Low 10.
Saturday..A mix of sun and cloud. Becoming cloudy near noon then
rain. Wind becoming south 30 km/h gusting to 50 in the morning then
east 20 gusting to 40 in the afternoon. High 16. UV index 8 or very
high.

Kingston - Odessa - Frontenac Islands.
Today..Sunny. Wind becoming northeast 20 km/h gusting to 40 this
morning. High 18. UV index 8 or very high.
Tonight..Clear. Wind northeast 20 km/h becoming light late this
evening. Low 8.
Saturday..Mainly sunny. Increasing cloudiness near noon then
60 percent chance of rain late in the afternoon. Wind becoming east
20 km/h then south 30 gusting to 50 late in the morning. High 17. UV
index 8 or very high.

Lindsay - Southern Kawartha Lakes.
Today..Sunny. Wind becoming east 30 km/h gusting to 50 this morning.
High 18. UV index 8 or very high.
Tonight..Clear. Wind east 20 km/h. Low 8.
Saturday..A mix of sun and cloud. Becoming cloudy near noon then
rain. Wind east 20 km/h gusting to 50 becoming southeast 40 gusting
to 60 in the afternoon. High 15. UV index 8 or very high.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Today..Mainly sunny. Wind becoming east 30 km/h gusting to 50 this
morning. High 18. UV index 8 or very high.
Tonight..Clear. Wind east 20 km/h gusting to 40. Low 8.
Saturday..Mainly sunny. Increasing cloudiness near noon then rain.
Wind east 20 km/h becoming southeast 40 gusting to 60 in the
morning. High 16. UV index 8 or very high.

Peterborough City - Lakefield - Southern Peterborough County.
Today..Sunny. Wind becoming east 20 km/h gusting to 40 this morning.
High 18. UV index 8 or very high.
Tonight..Clear. Wind east 20 km/h. Low 8.
Saturday..A mix of sun and cloud. Becoming cloudy near noon then
rain. Wind southeast 30 km/h gusting to 50. High 16. UV index 8 or
very high.

Apsley - Woodview - Northern Peterborough County.
Today..Sunny. Wind becoming east 20 km/h gusting to 40 this morning.
High 18. UV index 8 or very high.
Tonight..Clear. Wind east 20 km/h. Low 8.
Saturday..Sunny. Increasing cloudiness in the afternoon then
60 percent chance of rain late in the afternoon. Wind southeast
20 km/h gusting to 40. High 19. UV index 8 or very high.

Stirling - Tweed - Madoc.
Today..Sunny. Wind becoming east 20 km/h gusting to 40 this morning.
High 18. UV index 8 or very high.
Tonight..Clear. Wind east 20 km/h becoming light this evening.
Low 10.
Saturday..Mainly sunny. Increasing cloudiness in the afternoon then
60 percent chance of rain late in the afternoon. Wind becoming
southeast 20 km/h gusting to 40 in the morning. High 18. UV index 8
or very high.

Tamworth - Sydenham - South Frontenac.
Today..Sunny. Wind becoming northeast 20 km/h gusting to 40 this
morning. High 18. UV index 8 or very high.
Tonight..Clear. Wind northeast 20 km/h becoming light this evening.
Low 9.
Saturday..Mainly sunny. Increasing cloudiness in the afternoon then
60 percent chance of rain late in the afternoon. Wind becoming east
20 km/h in the morning then becoming south 20 gusting to 40.
High 19. UV index 8 or very high.

Kaladar - Bannockburn - Bon Echo Park.
Today..Sunny. Wind becoming east 20 km/h gusting to 40 this morning.
High 18. UV index 8 or very high.
Tonight..Clear. Wind east 20 km/h becoming light this evening. Low 8. Saturday..Sunny in the morning and early in the afternoon then a mix
of sun and cloud with 60 percent chance of rain late in the
afternoon. Wind becoming southeast 20 km/h gusting to 40 in the
morning. High 18. UV index 8 or very high.

Bancroft - Hastings Highlands - Denbigh.
Today..Mainly sunny. Wind becoming east 20 km/h gusting to 40 this
morning. High 18. UV index 8 or very high.
Tonight..Clear. Wind east 20 km/h becoming light this evening. Low
plus 5.
Saturday..Sunny in the morning and early in the afternoon then a mix
of sun and cloud with 40 percent chance of showers late in the
afternoon. Wind becoming southeast 30 km/h gusting to 50 in the
morning. High 19. UV index 8 or very high.

Gananoque - Mallorytown.
Today..Sunny. Wind becoming northeast 20 km/h gusting to 40 this
morning. High 18. UV index 8 or very high.
Tonight..Clear. Wind northeast 20 km/h becoming light this evening.
Low 6.
Saturday..Sunny in the morning and early in the afternoon then a mix
of sun and cloud with 40 percent chance of showers late in the
afternoon. Wind becoming east 20 km/h gusting to 50 in the morning
then becoming south 20 in the afternoon. High 21. UV index 8 or very
high.

Brockville - Prescott.
Today..Sunny. Wind becoming northeast 20 km/h this morning. High 18.
UV index 8 or very high.
Tonight..Clear. Wind northeast 20 km/h becoming light this evening.
Low 6.
Saturday..Sunny. Becoming a mix of sun and cloud in the afternoon.
Wind becoming east 20 km/h gusting to 40 in the morning then
becoming south 20 in the afternoon. High 21. UV index 8 or very
high.

Westport - Charleston Lake.
Today..Sunny. Wind becoming east 20 km/h this morning. High 18. UV
index 8 or very high.
Tonight..Clear. Wind northeast 20 km/h becoming light this evening.
Low 6.
Saturday..Sunny in the morning and early in the afternoon then a mix
of sun and cloud with 40 percent chance of showers late in the
afternoon. Wind becoming east 20 km/h gusting to 50 in the morning
then becoming south 20 gusting to 40 in the afternoon. High 21. UV
index 8 or very high.

Merrickville-Wolford - Kemptville.
Today..Sunny. Wind east 20 km/h becoming light this afternoon.
High 19. UV index 8 or very high.
Tonight..Clear. Low 6.
Saturday..Sunny. Becoming a mix of sun and cloud in the afternoon.
Wind becoming east 20 km/h gusting to 40 in the morning then
becoming south 20 gusting to 40 in the afternoon. High 21. UV
index 8 or very high.

Ottawa North - Kanata - Orléans.
Today..Sunny. High 19. UV index 7 or high.
Tonight..Clear. Low plus 5.
Saturday..Sunny. Wind becoming east 20 km/h gusting to 40 in the
morning. High 21. UV index 8 or very high.

Ottawa South - Richmond - Metcalfe.
Today..Sunny. High 19. UV index 7 or high.
Tonight..Clear. Low plus 5.
Saturday..Sunny. Wind becoming east 20 km/h gusting to 40 in the
morning. High 21. UV index 8 or very high.

Gatineau.
Today..Sunny. High 19. UV index 7 or high.
Tonight..Clear. Low 6.
Saturday..Sunny. High 20. UV index 8 or very high.

Prescott and Russell.
Today..Sunny. High 19. UV index 8 or very high.
Tonight..Clear. Low plus 5.
Saturday..Sunny. Wind becoming east 20 km/h gusting to 40 in the
morning. High 21. UV index 8 or very high.

Morrisburg - Long Sault.
Today..Sunny. High 19. UV index 8 or very high.
Tonight..Clear. Low 6.
Saturday..Sunny. Becoming a mix of sun and cloud in the afternoon.
Wind east 20 km/h becoming south 20 in the afternoon. High 21. UV
index 8 or very high.

Cornwall - Lancaster.
Today..Sunny. High 19. UV index 8 or very high.
Tonight..Clear. Low 6.
Saturday..Mainly sunny. Wind becoming northeast 30 km/h in the
morning then southeast 20 in the afternoon. High 21. UV index 8 or
very high.

Winchester - Newington.
Today..Sunny. High 19. UV index 8 or very high.
Tonight..Clear. Low 6.
Saturday..Sunny. Becoming a mix of sun and cloud in the afternoon.
Wind becoming east 20 km/h gusting to 40 in the morning. High 21. UV
index 8 or very high.

Maxville - Alexandria.
Today..Sunny. High 19. UV index 8 or very high.
Tonight..Clear. Low plus 5.
Saturday..Sunny. Wind becoming east 20 km/h gusting to 40 in the
morning. High 21. UV index 8 or very high.

Plevna - Sharbot Lake - Western Lanark County.
Today..Sunny. Wind east 20 km/h becoming light this afternoon.
High 18. UV index 8 or very high.
Tonight..Clear. Low 6.
Saturday..Sunny in the morning and early in the afternoon then a mix
of sun and cloud with 40 percent chance of showers late in the
afternoon. Wind becoming southeast 30 km/h gusting to 50 in the
morning. High 20. UV index 8 or very high.

Smiths Falls - Perth - Eastern Lanark County.
Today..Sunny. Wind east 20 km/h becoming light this afternoon.
High 18. UV index 8 or very high.
Tonight..Clear. Low 6.
Saturday..Sunny. Becoming a mix of sun and cloud in the afternoon.
Wind becoming southeast 20 km/h gusting to 40 in the morning.
High 20. UV index 8 or very high.

Port Carling - Port Severn.
Today..Mainly sunny. Wind becoming east 20 km/h gusting to 40 this
morning. High 19. UV index 8 or very high.
Tonight..Clear. Wind east 30 km/h gusting to 50. Low 11.
Saturday..Mainly sunny. Increasing cloudiness in the afternoon then
60 percent chance of rain late in the afternoon. Wind southeast
40 km/h gusting to 60. High 16. UV index 8 or very high.

Bracebridge - Gravenhurst.
Today..Mainly sunny. Wind becoming east 20 km/h gusting to 40 this
morning. High 19. UV index 8 or very high.
Tonight..Clear. Wind east 20 km/h becoming light this evening. Wind
becoming east 30 gusting to 50 late this evening. Low 10.
Saturday..Sunny. Increasing cloudiness in the afternoon then
60 percent chance of rain late in the afternoon. Wind southeast
40 km/h gusting to 60. High 16. UV index 8 or very high.

Town of Parry Sound - Rosseau - Killbear Park.
Today..Sunny. Wind becoming east 20 km/h gusting to 40 this morning.
High 19. UV index 7 or high.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light this
evening. Wind becoming east 20 gusting to 40 late this evening.
Low 10.
Saturday..Sunny. Increasing cloudiness in the afternoon then
40 percent chance of showers late in the afternoon. Wind east
20 km/h gusting to 60 becoming southeast 40 gusting to 60 late in
the morning. High 17. UV index 8 or very high.

Huntsville - Baysville.
Today..Mainly sunny. Wind becoming southeast 20 km/h gusting to 40
this morning. High 18. UV index 7 or high.
Tonight..Clear. Wind east 20 km/h. Low 10.
Saturday..Sunny. Increasing cloudiness in the afternoon then
40 percent chance of showers late in the afternoon. Wind southeast
30 km/h gusting to 50. High 17. UV index 8 or very high.

Haliburton - Minden - Southern Haliburton County.
Today..Sunny. Wind becoming east 20 km/h gusting to 40 this morning.
High 17. UV index 8 or very high.
Tonight..Clear. Wind east 20 km/h becoming light this evening. Wind
becoming east 20 gusting to 40 after midnight. Low 10.
Saturday..Sunny. Increasing cloudiness in the afternoon then
60 percent chance of rain late in the afternoon. Wind southeast
30 km/h gusting to 50. High 17. UV index 8 or very high.

Oxtongue Lake - Fort Irwin - Northern Haliburton County.
Today..Sunny. Wind becoming east 20 km/h gusting to 40 this morning.
High 17. UV index 8 or very high.
Tonight..Clear. Wind east 20 km/h. Low 9.
Saturday..Sunny in the morning and early in the afternoon then a mix
of sun and cloud with 40 percent chance of showers late in the
afternoon. Wind southeast 30 km/h gusting to 50. High 18. UV index 8
or very high.

Barry's Bay - Killaloe.
Today..Sunny. Wind becoming east 20 km/h late this morning. High 19.
UV index 7 or high.
Tonight..Clear. Low plus 5.
Saturday..Sunny. Becoming a mix of sun and cloud in the afternoon.
Wind becoming southeast 30 km/h gusting to 50 in the morning.
High 20. UV index 8 or very high.

Renfrew - Arnprior - Calabogie.
Today..Sunny. High 19. UV index 7 or high.
Tonight..Clear. Low plus 5.
Saturday..Sunny. Becoming a mix of sun and cloud in the afternoon.
Wind becoming southeast 30 km/h gusting to 50 in the morning.
High 20. UV index 8 or very high.

Petawawa - Pembroke - Cobden.
Today..Sunny. High 19. UV index 7 or high.
Tonight..Clear. Low plus 5.
Saturday..Sunny. Wind becoming southeast 30 km/h gusting to 50 in the
morning. High 20. UV index 8 or very high.

Western Algonquin Park - Lake of Two Rivers.
Today..Sunny. Wind east 20 km/h becoming light this afternoon.
High 17. UV index 7 or high.
Tonight..Clear. Wind becoming east 20 km/h before morning. Low 6. Saturday..Sunny. Becoming a mix of sun and cloud in the afternoon.
Wind southeast 30 km/h gusting to 50. High 19. UV index 8 or very
high.

Deep River - Whitney - Eastern Algonquin Park.
Today..Sunny. Wind east 20 km/h becoming light this afternoon.
High 17. UV index 7 or high.
Tonight..Clear. Wind becoming east 20 km/h before morning. Low
plus 5.
Saturday..Sunny. Becoming a mix of sun and cloud in the afternoon.
Wind southeast 30 km/h gusting to 50. High 19. UV index 8 or very
high.

Bayfield Inlet - Dunchurch.
Today..Sunny. Wind becoming east 20 km/h gusting to 40 this morning.
High 19. UV index 7 or high.
Tonight..Clear. Wind east 20 km/h. Low 8.
Saturday..A mix of sun and cloud. 40 percent chance of showers late
in the afternoon. Then increasing cloudiness. Wind southeast 30 km/h
gusting to 50. High 18. UV index 8 or very high.

South River - Burk's Falls.
Today..Sunny. Wind becoming east 20 km/h gusting to 40 this morning.
High 18. UV index 7 or high.
Tonight..Clear. Wind east 20 km/h. Low 8.
Saturday..A mix of sun and cloud. 40 percent chance of showers late
in the afternoon. Then increasing cloudiness. Wind southeast 30 km/h
gusting to 50. High 18. UV index 8 or very high.

Continued in next message...

--- up 1 day, 14 hours, 54 minutes
* Origin: Northern Realms (618:400/23)

FPCN11 CWTO 221930
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 3:30 p.m. EDT Friday 22 May 2026 for tonight
Saturday and Saturday night.
The next scheduled forecast will be issued at 5:00 a.m. EDT Saturday.

City of Toronto.
Tonight..Partly cloudy. Becoming cloudy after midnight. Wind east
30 km/h gusting to 50. Low 11.
Saturday..Cloudy. Rain beginning in the morning. Amount 10 to 15 mm.
Wind east 30 km/h gusting to 50. Temperature steady near 11. UV
index 3 or moderate.
Saturday night..Rain. Amount 10 mm. Wind east 30 km/h gusting to 50
becoming light after midnight. Temperature steady near 10.

Windsor - Leamington - Essex County.
Tonight..Cloudy. Periods of rain beginning late this evening. Amount
5 to 10 mm. Wind east 30 km/h gusting to 50. Low 11.
Saturday..Rain. Risk of a thunderstorm late in the afternoon. Amount
30 to 40 mm. Wind east 30 km/h gusting to 50. High 17. UV index 2 or
low.
Saturday night..Periods of rain ending late in the evening then
partly cloudy. Risk of a thunderstorm in the evening. Wind east
30 km/h becoming light in the evening. Temperature steady near 13.

Chatham-Kent - Rondeau Park.
Tonight..Cloudy. Periods of rain beginning after midnight. Amount
5 mm. Wind east 30 km/h gusting to 50. Low 11.
Saturday..Rain. Risk of a thunderstorm late in the afternoon. Amount
30 to 40 mm. Wind east 40 km/h gusting to 60. High 15. UV index 2 or
low.
Saturday night..Periods of rain ending near midnight then partly
cloudy. Risk of a thunderstorm in the evening. Wind east 40 km/h
gusting to 60 becoming light in the evening. Temperature steady
near 13.

Sarnia - Petrolia - Western Lambton County.
Tonight..Becoming cloudy this evening. Periods of rain beginning
overnight. Wind southeast 30 km/h gusting to 50. Low 13.
Saturday..Rain. Amount 15 to 25 mm. Wind southeast 30 km/h gusting to
50. High 14. UV index 2 or low.
Saturday night..Periods of rain ending after midnight then partly
cloudy. Risk of a thunderstorm in the evening and after midnight.
Wind east 20 km/h gusting to 40 becoming light near midnight.
Temperature steady near 13.

Watford - Pinery Park - Eastern Lambton County.
Tonight..Mainly cloudy. Periods of rain beginning overnight. Wind
northeast 20 km/h gusting to 40 becoming light late this evening.
Wind becoming east 30 gusting to 50 before morning. Low 14.
Saturday..Rain. Amount 15 to 25 mm. Wind east 30 km/h gusting to 50.
Temperature steady near 12. UV index 2 or low.
Saturday night..Periods of rain ending after midnight then cloudy.
Risk of a thunderstorm in the evening and after midnight. Wind east
20 km/h gusting to 40 becoming southeast 40 gusting to 60 then west
20 near midnight. Temperature rising to 14 by morning.

Rodney - Shedden - Western Elgin County.
Tonight..Becoming cloudy this evening. Periods of rain beginning
overnight. Wind east 30 km/h gusting to 50. Low 13.
Saturday..Rain. Amount 20 to 30 mm. Wind east 30 km/h gusting to 50.
Temperature steady near 12. UV index 2 or low.
Saturday night..Periods of rain ending overnight then partly cloudy.
Risk of a thunderstorm late in the evening and after midnight. Wind
east 30 km/h gusting to 50 becoming south 40 gusting to 60 near
midnight. Temperature steady near 12.

St. Thomas - Aylmer - Eastern Elgin County.
Tonight..Cloudy. Periods of rain beginning overnight. Wind east
30 km/h gusting to 50. Low 13.
Saturday..Rain. Amount 20 to 30 mm. Wind east 30 km/h gusting to 50.
Temperature steady near 12. UV index 2 or low.
Saturday night..Periods of rain ending overnight then partly cloudy.
Risk of a thunderstorm late in the evening and after midnight. Wind
east 30 km/h gusting to 50 becoming south 40 gusting to 60 near
midnight. Temperature steady near 12.

Strathroy - Komoka - Western Middlesex County.
Tonight..Mainly cloudy. Periods of rain beginning overnight. Wind
southeast 30 km/h gusting to 50. Low 14.
Saturday..Rain. Amount 15 to 25 mm. Wind east 30 km/h gusting to 50.
Temperature steady near 12. UV index 2 or low.
Saturday night..Periods of rain ending after midnight then cloudy.
Risk of a thunderstorm in the evening and after midnight. Wind
southeast 40 km/h gusting to 60 becoming west 20 after midnight.
Temperature steady near 12.

London - Parkhill - Eastern Middlesex County.
Tonight..Becoming cloudy this evening. Periods of rain beginning
overnight. Wind east 30 km/h gusting to 50. Low 14.
Saturday..Rain. Amount 15 to 25 mm. Wind east 30 km/h gusting to 50.
Temperature steady near 12. UV index 2 or low.
Saturday night..Periods of rain ending after midnight then cloudy.
Risk of a thunderstorm in the evening and after midnight. Wind
southeast 40 km/h gusting to 60 becoming west 20 after midnight.
Temperature steady near 12.

Simcoe - Delhi - Norfolk.
Tonight..Becoming cloudy this evening. Periods of rain beginning
overnight. Wind northeast 20 km/h gusting to 40 becoming light late
this evening. Wind becoming east 30 gusting to 50 after midnight.
Low 12.
Saturday..Rain. Amount 20 to 30 mm. Wind east 30 km/h gusting to 50.
High 13. UV index 2 or low.
Saturday night..Periods of rain ending overnight then cloudy. Risk of
a thunderstorm late in the evening and after midnight. Wind east
20 km/h gusting to 40. Low 10 with temperature rising to 13 by
morning.

Dunnville - Caledonia - Haldimand.
Tonight..Becoming cloudy this evening. 40 percent chance of showers
before morning. Wind northeast 20 km/h gusting to 40 becoming light
late this evening. Wind becoming east 30 gusting to 50 before
morning. Low 13.
Saturday..Rain. Amount 15 to 25 mm. Wind east 30 km/h gusting to 50.
Temperature steady near 12. UV index 2 or low.
Saturday night..Rain ending before morning then cloudy. Amount 5 to
10 mm. Wind east 20 km/h gusting to 40 becoming south 20 after
midnight. Temperature rising to 13 by morning.

Woodstock - Tillsonburg - Oxford County.
Tonight..Mainly cloudy. 40 percent chance of showers before morning.
Wind east 30 km/h gusting to 50. Low 12.
Saturday..Rain. Amount 15 to 25 mm. Wind east 30 km/h gusting to 50.
High 13 with temperature falling to 10 in the afternoon. UV index 2
or low.
Saturday night..Rain ending before morning then cloudy. Amount 5 to
10 mm. Wind east 30 km/h gusting to 50 becoming light after
midnight. Temperature rising to 13 by morning.

Brantford - County of Brant.
Tonight..Mainly cloudy. 40 percent chance of showers before morning.
Wind northeast 30 km/h gusting to 50 becoming light late this
evening. Wind becoming east 20 gusting to 40 before morning. Low 12. Saturday..Rain. Amount 15 to 25 mm. Wind east 20 km/h gusting to 40.
High 14. UV index 2 or low.
Saturday night..Rain ending before morning then cloudy. Amount 5 to
10 mm. Wind east 20 km/h gusting to 40 becoming light after
midnight. Temperature rising to 13 by morning.

Niagara Falls - Welland - Southern Niagara Region.
Tonight..Partly cloudy. Becoming cloudy this evening. 40 percent
chance of showers before morning. Wind east 20 km/h gusting to 40
becoming light late this evening. Wind becoming southeast 20 before
morning. Low 12.
Saturday..Rain. Amount 15 to 25 mm. Wind east 20 km/h gusting to 40.
Temperature steady near 12. UV index 2 or low.
Saturday night..Rain ending before morning then cloudy. Amount 5 to
10 mm. Wind east 20 km/h gusting to 40 becoming south 20 after
midnight. Low 11.

St. Catharines - Grimsby - Northern Niagara Region.
Tonight..Partly cloudy. Becoming cloudy near midnight. Wind east
20 km/h gusting to 40 becoming light late this evening. Low 12. Saturday..Cloudy. Rain beginning in the morning. Amount 10 to 20 mm.
Wind becoming southeast 30 km/h gusting to 50 in the morning.
Temperature steady near 12. UV index 2 or low.
Saturday night..Rain. Amount 10 mm. Wind east 20 km/h becoming light
in the evening. Low 11.

City of Hamilton.
Tonight..Partly cloudy. Becoming cloudy late this evening. Wind
northeast 30 km/h gusting to 50 becoming light late this evening.
Wind becoming east 20 before morning. Low 11.
Saturday..Cloudy. Rain beginning in the morning. Amount 10 to 20 mm.
Wind becoming east 20 km/h gusting to 40 in the morning. High 13
with temperature falling to 10 in the afternoon. UV index 2 or low.
Saturday night..Rain. Amount 10 mm. Wind east 20 km/h gusting to 40
becoming light in the evening. Low 8 with temperature rising to 12
by morning.

Burlington - Oakville.
Tonight..A few clouds. Increasing cloudiness late this evening. Wind
northeast 30 km/h gusting to 50. Low 9.
Saturday..Cloudy. Rain beginning in the morning. Amount 10 to 20 mm.
Wind east 30 km/h gusting to 50. High 11. UV index 2 or low.
Saturday night..Rain. Amount 10 mm. Wind east 30 km/h gusting to 50
becoming light near midnight. Temperature steady near 9.

Halton Hills - Milton.
Tonight..A few clouds. Increasing cloudiness after midnight. Wind
east 20 km/h gusting to 40. Low 9.
Saturday..Cloudy. Rain beginning in the morning. Amount 10 to 15 mm.
Wind east 30 km/h gusting to 50. High 11. UV index 3 or moderate.
Saturday night..Rain ending before morning then cloudy. Amount 5 to
10 mm. Wind east 20 km/h gusting to 40 becoming light near midnight.
Temperature steady near 9.

Mississauga - Brampton.
Tonight..Partly cloudy. Becoming cloudy after midnight. Wind east
20 km/h gusting to 40. Low 9.
Saturday..Cloudy. Rain beginning in the morning. Amount 10 to 15 mm.
Wind east 30 km/h gusting to 50. High 11. UV index 3 or moderate.
Saturday night..Rain. Amount 10 mm. Wind east 30 km/h gusting to 50
becoming light near midnight. Temperature steady near 9.

Caledon.
Tonight..Clear. Increasing cloudiness after midnight. Wind east
20 km/h. Low 11.
Saturday..Cloudy. Rain beginning in the morning. Amount 5 to 10 mm.
Wind southeast 30 km/h gusting to 50. High 13 with temperature
falling to 9 in the afternoon. UV index 4 or moderate.
Saturday night..Rain ending before morning then cloudy. Amount 5 to
10 mm. Wind southeast 20 km/h gusting to 40 becoming light after
midnight. Temperature steady near 8.

Vaughan - Richmond Hill - Markham.
Tonight..A few clouds. Increasing cloudiness after midnight. Wind
east 20 km/h gusting to 40. Low 11.
Saturday..Cloudy. Rain beginning in the morning. Amount 10 to 15 mm.
Wind east 30 km/h gusting to 50. High 13 with temperature falling
to 9 in the afternoon. UV index 4 or moderate.
Saturday night..Rain. Amount 10 mm. Wind east 40 km/h gusting to 60
diminishing to 20 near midnight. Temperature steady near 8.

Newmarket - Georgina - Northern York Region.
Tonight..Clear. Becoming partly cloudy after midnight. Wind east
20 km/h. Low 11.
Saturday..Cloudy. Rain beginning late in the morning. Amount 5 mm.
Wind southeast 30 km/h gusting to 50. High 13 with temperature
falling to 9 in the afternoon. UV index 6 or high.
Saturday night..Rain. Amount 10 to 20 mm. Wind east 40 km/h gusting
to 60 diminishing to 20 near midnight. Temperature steady near 8.

Pickering - Oshawa - Southern Durham Region.
Tonight..A few clouds. Wind east 20 km/h gusting to 40. Low 11. Saturday..Cloudy. Rain beginning late in the morning. Amount 5 mm.
Wind east 20 km/h gusting to 50 increasing to 40 gusting to 60 late
in the afternoon. High 13 with temperature falling to 9 in the
afternoon. UV index 6 or high.
Saturday night..Rain. Amount 10 to 20 mm. Wind east 40 km/h gusting
to 60 diminishing to 20 near midnight. Temperature steady near 8.

Uxbridge - Beaverton - Northern Durham Region.
Tonight..A few clouds. Wind east 20 km/h becoming light this evening.
Wind becoming southeast 20 gusting to 40 after midnight. Low 11. Saturday..Becoming cloudy in the morning then rain. Amount 5 mm. Wind
southeast 30 km/h gusting to 50. High 13 with temperature falling
to 9 in the afternoon. UV index 6 or high.
Saturday night..Rain. Amount 10 to 20 mm. Wind east 40 km/h gusting
to 60 diminishing to 20 near midnight. Temperature steady near 8.

Goderich - Bluewater - Southern Huron County.
Tonight..Partly cloudy. Becoming cloudy late this evening. Wind east
30 km/h gusting to 50. Low 11.
Saturday..Cloudy. Rain beginning in the morning. Amount 10 to 15 mm.
Wind southeast 30 km/h gusting to 50. High 15. UV index 2 or low.
Saturday night..Rain ending after midnight then cloudy. Risk of a
thunderstorm late in the evening and after midnight. Wind southeast
40 km/h gusting to 60 becoming southwest 20 after midnight. Low 9.

Wingham - Blyth - Northern Huron County.
Tonight..A few clouds. Increasing cloudiness late this evening. Wind
southeast 30 km/h gusting to 50. Low 11.
Saturday..Mainly cloudy. Periods of rain beginning in the morning.
Amount 10 to 15 mm. Wind southeast 30 km/h gusting to 50. High 15.
UV index 3 or moderate.
Saturday night..Periods of rain ending before morning then cloudy.
Risk of a thunderstorm late in the evening and overnight. Wind
southeast 40 km/h gusting to 60 becoming southwest 20 after
midnight. Low 9.

Stratford - Mitchell - Southern Perth County.
Tonight..Mainly cloudy. Wind east 30 km/h gusting to 50. Low 11. Saturday..Cloudy. Rain beginning in the morning. Amount 10 to 15 mm.
Wind east 30 km/h gusting to 50. High 13. UV index 2 or low.
Saturday night..Rain ending after midnight then cloudy. Risk of a
thunderstorm late in the evening and after midnight. Wind southeast
40 km/h gusting to 60 becoming southwest 20 after midnight. Low 9.

Listowel - Milverton - Northern Perth County.
Tonight..A few clouds. Increasing cloudiness this evening. Wind east
30 km/h gusting to 50. Low 11.
Saturday..Cloudy. Periods of rain beginning in the morning. Amount 10
to 15 mm. Wind east 30 km/h gusting to 50. High 13. UV index 3 or
moderate.
Saturday night..Periods of rain ending before morning then cloudy.
Risk of a thunderstorm late in the evening and overnight. Wind
southeast 40 km/h gusting to 60 becoming southwest 20 after
midnight. Low 9.

Kitchener - Cambridge - Region of Waterloo.
Tonight..Partly cloudy. Becoming cloudy near midnight. Wind east
30 km/h gusting to 50. Low 10.
Saturday..Cloudy. Rain beginning in the morning. Amount 10 to 15 mm.
Wind east 30 km/h gusting to 50. High 12. UV index 3 or moderate.
Saturday night..Rain ending before morning then cloudy. Amount 5 to
10 mm. Wind east 20 km/h gusting to 40 becoming light after
midnight. Low 8.

Guelph - Erin - Southern Wellington County.
Tonight..A few clouds. Increasing cloudiness near midnight. Wind east
20 km/h gusting to 40. Low 10.
Saturday..Cloudy. Rain beginning in the morning. Amount 10 to 15 mm.
Wind east 30 km/h gusting to 50. High 12. UV index 3 or moderate.
Saturday night..Rain ending before morning then cloudy. Amount 5 to
10 mm. Wind east 20 km/h gusting to 40 becoming light after
midnight. Low 8.

Mount Forest - Arthur - Northern Wellington County.
Tonight..Partly cloudy. Wind east 30 km/h gusting to 50. Low 10. Saturday..Mainly cloudy. Rain beginning in the morning. Amount 5 to
10 mm. Wind southeast 30 km/h gusting to 50. High 12. UV index 4 or
moderate.
Saturday night..Rain ending before morning then cloudy. Amount 5 to
10 mm. Wind east 30 km/h gusting to 50 becoming light after
midnight. Low 8.

Orangeville - Grand Valley - Southern Dufferin County.
Tonight..Clear. Increasing cloudiness after midnight. Wind east
20 km/h becoming light this evening. Low 10.
Saturday..Cloudy. Rain beginning in the morning. Amount 5 to 10 mm.
Wind becoming southeast 30 km/h gusting to 50 in the morning.
High 12. UV index 4 or moderate.
Saturday night..Rain ending before morning then cloudy. Amount 5 to
10 mm. Wind southeast 20 km/h gusting to 40 becoming light near
midnight. Low 7.

Shelburne - Mansfield - Northern Dufferin County.
Tonight..Clear. Becoming partly cloudy after midnight. Wind east
30 km/h gusting to 50. Low 9.
Saturday..Cloudy. Periods of rain beginning in the morning. Wind
southeast 30 km/h gusting to 60. High 12. UV index 4 or moderate.
Saturday night..Periods of rain ending before morning then cloudy.
Wind southeast 30 km/h gusting to 50 becoming light near midnight.
Low 7.

Innisfil - New Tecumseth - Angus.
Tonight..Clear. Becoming partly cloudy after midnight. Wind east
20 km/h. Low 11.
Saturday..Mainly cloudy. Rain beginning late in the morning. Amount
5 mm. Wind southeast 30 km/h gusting to 50. High 13. UV index 6 or
high.
Saturday night..Rain. Amount 10 to 20 mm. Wind southeast 30 km/h
gusting to 50 becoming light near midnight. Low 7.

Saugeen Shores - Kincardine - Southern Bruce County.
Tonight..A few clouds. Increasing cloudiness near midnight. Wind east
20 km/h gusting to 40. Low 7.
Saturday..Mainly cloudy. Periods of rain beginning in the morning.
Wind southeast 30 km/h gusting to 50. High 14. UV index 3 or
moderate.
Saturday night..Periods of rain ending before morning then cloudy.
Wind east 20 km/h gusting to 40 becoming southwest 30 after
midnight. Low 6.

Bruce Peninsula - Sauble Beach - Tobermory.
Tonight..A few clouds. Wind east 20 km/h gusting to 40 becoming light
this evening. Wind becoming east 20 gusting to 40 late this evening.
Low 7.
Saturday..Becoming cloudy in the morning. Periods of rain beginning
early in the afternoon. Wind east 20 km/h gusting to 60 becoming
southeast 40 gusting to 60 late in the morning. High 14. UV index 6
or high.
Saturday night..Periods of rain. Wind southeast 40 km/h gusting to
60. Low 6.

Hanover - Dundalk - Southern Grey County.
Tonight..Clear. Becoming partly cloudy after midnight. Wind east
30 km/h gusting to 50. Low 7.
Saturday..Mainly cloudy. Periods of rain beginning in the morning.
Wind southeast 30 km/h gusting to 50. High 14. UV index 4 or
moderate.
Saturday night..Periods of rain ending before morning then cloudy.
Wind east 30 km/h gusting to 50 becoming light after midnight.
Low 6.

Owen Sound - Blue Mountains - Northern Grey County.
Tonight..A few clouds. Wind east 30 km/h gusting to 50. Low 7. Saturday..Cloudy. Rain beginning early in the afternoon. Wind
southeast 30 km/h gusting to 50. High 14. UV index 7 or high.
Saturday night..Rain. Amount 10 to 20 mm. Wind east 20 km/h gusting
to 40 becoming light after midnight. Low 6.

Barrie - Collingwood - Hillsdale.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light this
evening. Wind becoming east 20 gusting to 40 late this evening.
Low 10.
Saturday..A mix of sun and cloud. Becoming cloudy near noon then
rain. Wind east 20 km/h gusting to 40 becoming southeast 40 gusting
to 60 in the morning. High 15. UV index 8 or very high.
Saturday night..Rain. Amount 10 to 20 mm. Wind southeast 40 km/h
gusting to 60. Low 9.

Midland - Coldwater - Orr Lake.
Tonight..Clear. Wind east 20 km/h gusting to 40. Low 10.
Saturday..Mainly sunny. Increasing cloudiness near noon then rain.
Wind southeast 40 km/h gusting to 60. High 15. UV index 8 or very
high.
Saturday night..Rain. Amount 10 to 20 mm. Wind southeast 40 km/h
gusting to 60 diminishing to 20 after midnight. Low 9.

Orillia - Lagoon City - Washago.
Tonight..Clear. Wind east 20 km/h gusting to 40. Low 11.
Saturday..A mix of sun and cloud. Becoming cloudy in the afternoon
then rain. Wind southeast 40 km/h gusting to 60. High 15 with
temperature falling to 10 in the afternoon. UV index 8 or very high.
Saturday night..Rain. Amount 10 to 20 mm. Wind southeast 40 km/h
gusting to 60. Temperature steady near 9.

Cobourg - Colborne - Western Northumberland County.
Tonight..A few clouds. Wind northeast 20 km/h becoming light after
midnight. Low 10.
Saturday..Becoming cloudy in the morning then rain. Amount 5 mm. Wind
becoming south 30 km/h gusting to 50 in the morning then east 20
gusting to 40 in the afternoon. High 16. UV index 6 or high.
Saturday night..Rain. Amount 10 to 20 mm. Wind east 20 km/h gusting
to 40. Low 9.

Belleville - Quinte West - Eastern Northumberland County.
Tonight..A few clouds. Wind northeast 20 km/h becoming light after
midnight. Low 10.
Saturday..Becoming cloudy in the morning. Rain beginning late in the
afternoon. Wind becoming south 30 km/h gusting to 50 in the morning
then east 20 gusting to 40 in the afternoon. High 16. UV index 7 or
high.
Saturday night..Rain. Amount 10 to 20 mm. Wind east 20 km/h gusting
to 40. Low 9.

Picton - Sandbanks Park.
Tonight..A few clouds. Wind northeast 20 km/h becoming light after
midnight. Low 10.
Saturday..Becoming cloudy in the morning. Rain beginning late in the
afternoon. Wind becoming south 30 km/h gusting to 50 in the morning
then east 20 gusting to 40 in the afternoon. High 16. UV index 7 or
high.
Saturday night..Rain. Amount 10 to 20 mm. Wind east 20 km/h gusting
to 40. Low 9.

Napanee - Consecon.
Tonight..A few clouds. Wind northeast 20 km/h becoming light after
midnight. Low 10.
Saturday..Becoming cloudy in the morning. Rain beginning late in the
afternoon. Wind becoming south 30 km/h gusting to 50 in the morning
then east 20 gusting to 40 in the afternoon. High 16. UV index 7 or
high.
Saturday night..Rain. Amount 10 to 20 mm. Wind east 20 km/h gusting
to 40. Low 9.

Kingston - Odessa - Frontenac Islands.
Tonight..Clear. Wind northeast 20 km/h becoming light late this
evening. Low 8.
Saturday..Mainly sunny. Increasing cloudiness near noon. Wind
becoming east 20 km/h then south 30 gusting to 50 late in the
morning. High 17. UV index 8 or very high.
Saturday night..Rain. Amount 10 to 20 mm. Wind southeast 30 km/h
gusting to 50 becoming light after midnight. Low 10.

Lindsay - Southern Kawartha Lakes.
Tonight..A few clouds. Wind east 20 km/h. Low 8.
Saturday..A mix of sun and cloud. Becoming cloudy late in the morning
then rain. Amount 5 mm. Wind east 20 km/h gusting to 50 becoming
southeast 40 gusting to 60 in the afternoon. High 15. UV index 6 or
high.
Saturday night..Rain. Amount 10 to 20 mm. Wind southeast 40 km/h
gusting to 60 becoming light after midnight. Low 8.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Tonight..Clear. Wind east 20 km/h gusting to 40. Low 8.
Saturday..A mix of sun and cloud. Becoming cloudy in the afternoon
then rain. Wind east 20 km/h becoming southeast 40 gusting to 60 in
the morning. High 16. UV index 8 or very high.
Saturday night..Rain. Amount 10 to 20 mm. Wind southeast 40 km/h
gusting to 60 becoming light after midnight. Low 8.

Peterborough City - Lakefield - Southern Peterborough County.
Tonight..A few clouds. Wind east 20 km/h. Low 8.
Saturday..A mix of sun and cloud. Becoming cloudy late in the
morning. Rain beginning late in the afternoon. Wind southeast
30 km/h gusting to 50. High 16. UV index 8 or very high.
Saturday night..Rain. Amount 10 to 20 mm. Wind east 30 km/h gusting
to 50 becoming light after midnight. Low 8.

Apsley - Woodview - Northern Peterborough County.
Tonight..Clear. Wind east 20 km/h. Low 8.
Saturday..Sunny. Increasing cloudiness near noon then rain beginning
late in the afternoon. Wind southeast 20 km/h gusting to 40.
High 19. UV index 8 or very high.
Saturday night..Rain. Amount 10 to 20 mm. Wind southeast 20 km/h
gusting to 40 becoming light after midnight. Low 8.

Stirling - Tweed - Madoc.
Tonight..Clear. Wind east 20 km/h becoming light this evening.
Low 10.
Saturday..Increasing cloudiness. Wind becoming southeast 20 km/h
gusting to 40 in the morning. High 18. UV index 8 or very high.
Saturday night..Rain. Amount 10 to 20 mm. Wind southeast 20 km/h
gusting to 40 becoming light in the evening. Low 9.

Tamworth - Sydenham - South Frontenac.
Tonight..Clear. Wind northeast 20 km/h becoming light this evening.
Low 9.
Saturday..Sunny. Increasing cloudiness near noon. Wind becoming east
20 km/h in the morning then becoming south 20 gusting to 40.
High 19. UV index 8 or very high.
Saturday night..Rain. Amount 10 to 20 mm. Wind south 20 km/h gusting
to 40 becoming light in the evening. Low 9.

Kaladar - Bannockburn - Bon Echo Park.
Tonight..Clear. Wind east 20 km/h becoming light this evening. Low 8. Saturday..Mainly sunny. Increasing cloudiness near noon. Wind
becoming southeast 20 km/h gusting to 40 in the morning. High 18. UV
index 8 or very high.
Saturday night..Rain. Amount 10 to 20 mm. Wind southeast 20 km/h
gusting to 40 becoming light in the evening. Wind becoming southeast
20 after midnight. Low 9.

Bancroft - Hastings Highlands - Denbigh.
Tonight..Clear. Wind east 20 km/h becoming light this evening. Low
plus 5.
Saturday..Sunny. Increasing cloudiness early in the afternoon. Wind
becoming southeast 30 km/h gusting to 50 in the morning. High 19. UV
index 8 or very high.
Saturday night..Rain. Amount 10 to 20 mm. Wind southeast 20 km/h
gusting to 40 becoming light after midnight. Low 8.

Gananoque - Mallorytown.
Tonight..Clear. Wind northeast 20 km/h becoming light this evening.
Low 6.
Saturday..Mainly sunny. Increasing cloudiness near noon. Wind
becoming east 20 km/h gusting to 50 in the morning then becoming
south 20 in the afternoon. High 21. UV index 8 or very high.
Saturday night..Rain. Amount 10 to 20 mm. Wind south 20 km/h becoming
light in the evening. Low 10.

Brockville - Prescott.
Tonight..Clear. Wind northeast 20 km/h becoming light this evening.
Low 6.
Saturday..Sunny. Becoming a mix of sun and cloud near noon. Wind
becoming east 20 km/h gusting to 40 in the morning then becoming
south 20 in the afternoon. High 21. UV index 8 or very high.
Saturday night..Cloudy. Rain beginning after midnight. Wind south
20 km/h becoming light in the evening. Low 10.

Westport - Charleston Lake.
Tonight..Clear. Wind northeast 20 km/h becoming light this evening.
Low 6.
Saturday..Mainly sunny. Increasing cloudiness early in the afternoon.
Wind becoming east 20 km/h gusting to 50 in the morning then
becoming south 20 gusting to 40 in the afternoon. High 21. UV
index 8 or very high.
Saturday night..Rain. Amount 10 to 20 mm. Wind south 20 km/h becoming
light in the evening. Low 10.

Merrickville-Wolford - Kemptville.
Tonight..Clear. Low 6.
Saturday..Mainly sunny. Wind becoming east 20 km/h gusting to 40 in
the morning then becoming south 20 gusting to 40 in the afternoon.
High 21. UV index 8 or very high.
Saturday night..Becoming cloudy in the evening. Rain beginning after
midnight. Wind southwest 20 km/h becoming light in the evening.
Low 10.

Ottawa North - Kanata - Orléans.
Tonight..Clear. Low plus 5.
Saturday..Sunny. Becoming a mix of sun and cloud in the afternoon.
Wind becoming east 20 km/h gusting to 40 in the morning. High 21. UV
index 8 or very high.
Saturday night..Becoming cloudy in the evening. Rain beginning after
midnight. Wind south 20 km/h becoming light in the evening. Low 10.

Ottawa South - Richmond - Metcalfe.
Tonight..Clear. Low plus 5.
Saturday..Sunny. Becoming a mix of sun and cloud in the afternoon.
Wind becoming east 20 km/h gusting to 40 in the morning. High 21. UV
index 8 or very high.
Saturday night..Becoming cloudy in the evening. Rain beginning after
midnight. Wind south 20 km/h becoming light in the evening. Low 10.

Gatineau.
Tonight..Clear. Low 6.
Saturday..Sunny. High 20. UV index 8 or very high.
Saturday night..Becoming cloudy in the evening. Rain beginning after
midnight. Low 11.

Prescott and Russell.
Tonight..Clear. Low plus 5.
Saturday..Sunny. Becoming a mix of sun and cloud in the afternoon.
Wind becoming east 20 km/h gusting to 40 in the morning. High 21. UV
index 8 or very high.
Saturday night..Becoming cloudy in the evening. Periods of rain
beginning overnight. Wind south 20 km/h becoming light in the
evening. Low 10.

Morrisburg - Long Sault.
Tonight..Clear. Low 6.
Saturday..Mainly sunny. Wind east 20 km/h becoming south 20 in the
afternoon. High 21. UV index 8 or very high.
Saturday night..Becoming cloudy in the evening. Periods of rain
beginning overnight. Low 11.

Cornwall - Lancaster.
Tonight..Clear. Low 6.
Saturday..Sunny. Wind becoming northeast 30 km/h in the morning then
southeast 20 in the afternoon. High 21. UV index 8 or very high.
Saturday night..Becoming cloudy in the evening. Periods of rain
beginning overnight. Low 11.

Winchester - Newington.
Tonight..Clear. Low 6.
Saturday..Sunny. Wind becoming east 20 km/h gusting to 40 in the
morning. High 21. UV index 8 or very high.
Saturday night..Becoming cloudy in the evening. Periods of rain
beginning overnight. Low 11.

Maxville - Alexandria.
Tonight..Clear. Low plus 5.
Saturday..Sunny. Wind becoming east 20 km/h gusting to 40 in the
morning. High 21. UV index 8 or very high.
Saturday night..Becoming cloudy in the evening. Periods of rain
beginning overnight. Wind southeast 20 km/h becoming light in the
evening. Low 10.

Plevna - Sharbot Lake - Western Lanark County.
Tonight..Clear. Low 6.
Saturday..Mainly sunny. Increasing cloudiness early in the afternoon.
Wind becoming southeast 30 km/h gusting to 50 in the morning.
High 20. UV index 8 or very high.
Saturday night..Rain. Amount 10 to 20 mm. Wind south 20 km/h gusting
to 40 becoming light in the evening. Low 9.

Smiths Falls - Perth - Eastern Lanark County.
Tonight..Clear. Low 6.
Saturday..Sunny. Becoming a mix of sun and cloud near noon. Wind
becoming southeast 20 km/h gusting to 40 in the morning. High 20. UV
index 8 or very high.
Saturday night..Cloudy. Rain beginning after midnight. Wind southwest
20 km/h becoming light in the evening. Low 9.

Port Carling - Port Severn.
Tonight..Clear. Wind east 30 km/h gusting to 50. Low 11.
Saturday..Mainly sunny. Increasing cloudiness near noon then rain
beginning late in the afternoon. Wind southeast 40 km/h gusting to
60. High 16. UV index 8 or very high.
Saturday night..Rain. Amount 10 to 20 mm. Wind southeast 40 km/h
gusting to 60 becoming light after midnight. Low 9.

Bracebridge - Gravenhurst.
Tonight..Clear. Wind east 20 km/h becoming light this evening. Wind
becoming east 30 gusting to 50 late this evening. Low 10.
Saturday..Mainly sunny. Increasing cloudiness in the afternoon then
rain. Wind southeast 40 km/h gusting to 60. High 16. UV index 8 or
very high.
Saturday night..Rain. Amount 10 to 20 mm. Wind southeast 40 km/h
gusting to 60 becoming light after midnight. Low 9.

Town of Parry Sound - Rosseau - Killbear Park.
Tonight..Clear. Wind east 20 km/h gusting to 40 becoming light this
evening. Wind becoming east 20 gusting to 40 late this evening.
Low 10.
Saturday..Mainly sunny. Increasing cloudiness early in the afternoon.
Wind east 20 km/h gusting to 60 becoming southeast 40 gusting to 60
late in the morning. High 17. UV index 8 or very high.
Saturday night..Periods of rain. Amount 10 to 15 mm. Wind southeast
40 km/h gusting to 60 diminishing to 20 in the evening. Low 9.

Huntsville - Baysville.
Tonight..Clear. Wind east 20 km/h. Low 10.
Saturday..Sunny. Increasing cloudiness in the afternoon. Wind
southeast 30 km/h gusting to 50. High 17. UV index 8 or very high.
Saturday night..Periods of rain. Amount 10 to 15 mm. Wind southeast
30 km/h gusting to 50 becoming light after midnight. Low 9.

Haliburton - Minden - Southern Haliburton County.
Tonight..Clear. Wind east 20 km/h becoming light this evening. Wind
becoming east 20 gusting to 40 after midnight. Low 10.
Saturday..Mainly sunny. Increasing cloudiness in the afternoon then
rain. Wind southeast 30 km/h gusting to 50. High 17. UV index 8 or
very high.
Saturday night..Rain. Amount 10 to 20 mm. Wind southeast 30 km/h
gusting to 50. Low 8.

Continued in next message...

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* Origin: Northern Realms (618:400/23)