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)