FPCN11 CWTO 051500
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 11:00 a.m. EDT Monday 5 May 2025 for today
and Tuesday.
The next scheduled forecast will be issued at 3:30 p.m. EDT.

City of Toronto.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm this afternoon. Wind east 20 km/h gusting to 40.
 High 16. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 10 to
 15 mm. Fog patches developing overnight. Wind east 30 km/h gusting
 to 50 becoming light overnight. Low 11.
Tuesday..Mainly cloudy. 30 percent chance of showers early in the
 morning and late in the afternoon. Risk of a thunderstorm late in
 the afternoon. Fog patches dissipating in the morning. High 18. UV
 index 6 or high.

Windsor - Leamington - Essex County.
Today..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind east 20 km/h becoming light
 this afternoon. High 17. UV index 6 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 10 to
 20 mm. Fog patches developing overnight. Low 12.
Tuesday..Mainly cloudy with 40 percent chance of showers and risk of
 a thunderstorm. Fog patches dissipating in the morning. Wind
 becoming southwest 20 km/h gusting to 40 in the morning then light
 in the afternoon. High 16. UV index 6 or high.

Chatham-Kent - Rondeau Park.
Today..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind east 20 km/h becoming light
 near noon. High 17. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 10 to
 20 mm. Fog patches developing overnight. Low 12.
Tuesday..Mainly cloudy with 40 percent chance of showers and risk of
 a thunderstorm. Fog patches dissipating in the morning. Wind
 becoming southwest 20 km/h gusting to 40 in the morning then light
 in the afternoon. High 16. UV index 6 or high.

Sarnia - Petrolia - Western Lambton County.
Today..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind becoming northeast 20 km/h
 this afternoon. High 18 except 12 near Lake Erie. UV index 7 or
 high.
Tonight..Showers with risk of a thunderstorm. Local amount 10 to
 20 mm. Fog patches developing overnight. Wind northeast 20 km/h
 becoming light this evening. Low 11.
Tuesday..Mainly cloudy with 40 percent chance of showers and risk of
 a thunderstorm. Fog patches dissipating in the morning. Wind
 becoming southeast 20 km/h late in the morning. High 16. UV index 6
 or high.

Watford - Pinery Park - Eastern Lambton County.
Today..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind northeast 20 km/h. High 18
 except 12 near Lake Erie. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 10 to
 20 mm. Fog patches developing overnight. Wind northeast 20 km/h
 becoming light this evening. Low 12.
Tuesday..Mainly cloudy with 40 percent chance of showers and risk of
 a thunderstorm. Fog patches dissipating in the morning. Wind
 becoming south 20 km/h in the morning. High 17. UV index 6 or high.

Rodney - Shedden - Western Elgin County.
Today..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind northeast 20 km/h. High 16.
 UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 10 to
 20 mm. Fog patches developing overnight. Wind northeast 20 km/h
 becoming light this evening. Low 10.
Tuesday..Mainly cloudy with 40 percent chance of showers and risk of
 a thunderstorm. Fog patches dissipating in the morning. Wind
 becoming southwest 20 km/h gusting to 40 in the morning then light
 in the afternoon. High 15. UV index 6 or high.

St. Thomas - Aylmer - Eastern Elgin County.
Today..Mainly cloudy with 30 percent chance of showers. Showers
 beginning late this afternoon. Risk of a thunderstorm this
 afternoon. Local amount 5 mm. Wind northeast 20 km/h. High 16. UV
 index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 20 to
 30 mm. Fog patches developing overnight. Wind northeast 20 km/h
 becoming light this evening. Low 10.
Tuesday..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm late in the afternoon. Fog patches dissipating in the
 morning. Wind becoming southwest 20 km/h gusting to 40 in the
 morning then light in the afternoon. High 15. UV index 6 or high.

Strathroy - Komoka - Western Middlesex County.
Today..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind northeast 20 km/h gusting to
 40. High 19. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 10 to
 20 mm. Fog patches developing overnight. Wind northeast 20 km/h
 gusting to 40 becoming light this evening. Low 12.
Tuesday..Mainly cloudy with 40 percent chance of showers and risk of
 a thunderstorm. Fog patches dissipating in the morning. Wind
 becoming southwest 20 km/h in the morning. High 17. UV index 6 or
 high.

London - Parkhill - Eastern Middlesex County.
Today..Mainly cloudy with 30 percent chance of showers. Showers
 beginning late this afternoon. Risk of a thunderstorm this
 afternoon. Local amount 5 mm. Wind northeast 20 km/h gusting to 40.
 High 18. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 20 to
 30 mm. Fog patches developing overnight. Wind northeast 20 km/h
 gusting to 40 becoming light this evening. Low 11.
Tuesday..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm late in the afternoon. Fog patches dissipating in the
 morning. Wind becoming southwest 20 km/h in the morning. High 17. UV
 index 6 or high.

Simcoe - Delhi - Norfolk.
Today..Mainly cloudy with 30 percent chance of showers early this
 afternoon. Showers beginning this afternoon. Risk of a thunderstorm
 this afternoon. Local amount 5 to 10 mm. Wind northeast 20 km/h
 gusting to 40. High 16. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 20 to
 30 mm. Fog patches developing overnight. Wind northeast 20 km/h
 gusting to 40 becoming light this evening. Low 12.
Tuesday..Mainly cloudy. 30 percent chance of showers early in the
 morning. 40 percent chance of showers late in the afternoon. Risk of
 a thunderstorm late in the afternoon. Fog patches dissipating in the
 morning. Wind becoming southwest 20 km/h gusting to 40 in the
 morning then light in the afternoon. High 17. UV index 6 or high.

Dunnville - Caledonia - Haldimand.
Today..Mainly cloudy with 30 percent chance of showers early this
 afternoon. Showers beginning this afternoon. Risk of a thunderstorm
 this afternoon. Local amount 5 to 10 mm. Wind northeast 20 km/h
 gusting to 40. High 16. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 20 to
 30 mm. Fog patches developing overnight. Wind northeast 20 km/h
 gusting to 40 becoming light this evening. Low 12.
Tuesday..Mainly cloudy. 30 percent chance of showers early in the
 morning. 40 percent chance of showers late in the afternoon. Risk of
 a thunderstorm late in the afternoon. Fog patches dissipating in the
 morning. Wind becoming south 20 km/h late in the morning. High 18.
 UV index 6 or high.

Woodstock - Tillsonburg - Oxford County.
Today..Mainly cloudy with 30 percent chance of showers. Showers
 beginning late this afternoon. Risk of a thunderstorm this
 afternoon. Local amount 5 mm. Wind northeast 20 km/h gusting to 40.
 High 17. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 20 to
 30 mm. Fog patches developing overnight. Wind northeast 20 km/h
 gusting to 40 becoming light this evening. Low 12.
Tuesday..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm late in the afternoon. Fog patches dissipating in the
 morning. Wind becoming southwest 20 km/h in the morning. High 17. UV
 index 6 or high.

Brantford - County of Brant.
Today..Mainly cloudy with 30 percent chance of showers early this
 afternoon. Showers beginning this afternoon. Risk of a thunderstorm
 this afternoon. Local amount 5 mm. Wind northeast 20 km/h gusting to
 40. High 15. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 20 to
 30 mm. Fog patches developing overnight. Wind northeast 20 km/h
 gusting to 40 becoming light this evening. Low 12.
Tuesday..Mainly cloudy. 30 percent chance of showers early in the
 morning. 40 percent chance of showers late in the afternoon. Risk of
 a thunderstorm late in the afternoon. Fog patches dissipating in the
 morning. Wind becoming southwest 20 km/h in the morning. High 17. UV
 index 6 or high.

Niagara Falls - Welland - Southern Niagara Region.
Today..Mainly cloudy with 30 percent chance of showers early this
 afternoon. Showers beginning this afternoon. Risk of a thunderstorm
 this afternoon. Local amount 5 mm. Wind northeast 20 km/h gusting to
 40. High 19. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 20 to
 30 mm. Fog patches developing overnight. Wind northeast 20 km/h
 gusting to 40 becoming light this evening. Low 12.
Tuesday..Mainly cloudy. 30 percent chance of showers early in the
 morning. 40 percent chance of showers late in the afternoon. Risk of
 a thunderstorm late in the afternoon. Fog patches dissipating in the
 morning. Wind becoming southwest 20 km/h gusting to 40 in the
 morning. High 15. UV index 6 or high.

St. Catharines - Grimsby - Northern Niagara Region.
Today..Mainly cloudy with 30 percent chance of showers early this
 afternoon. Showers beginning this afternoon. Risk of a thunderstorm
 this afternoon. Local amount 5 mm. Wind northeast 20 km/h gusting to
 40. High 16. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 20 to
 30 mm. Fog patches developing overnight. Wind northeast 20 km/h
 gusting to 40 becoming light this evening. Low 12.
Tuesday..Mainly cloudy. 30 percent chance of showers early in the
 morning. 40 percent chance of showers late in the afternoon. Risk of
 a thunderstorm late in the afternoon. Fog patches dissipating in the
 morning. Wind becoming southwest 20 km/h gusting to 40 in the
 morning. High 17. UV index 6 or high.

City of Hamilton.
Today..Mainly cloudy with 30 percent chance of showers early this
 afternoon. Showers beginning this afternoon. Risk of a thunderstorm
 this afternoon. Local amount 5 mm. Wind northeast 30 km/h gusting to
 50. High 11. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 20 to
 30 mm. Fog patches developing overnight. Wind northeast 30 km/h
 gusting to 50 becoming light near midnight. Low 10.
Tuesday..Mainly cloudy. 30 percent chance of showers early in the
 morning. 40 percent chance of showers late in the afternoon. Risk of
 a thunderstorm late in the afternoon. Fog patches dissipating in the
 morning. Wind becoming southwest 20 km/h in the morning. High 17. UV
 index 6 or high.

Burlington - Oakville.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm this afternoon. Wind northeast 30 km/h gusting to 50.
 High 12. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 10 to
 15 mm. Fog patches developing overnight. Wind northeast 30 km/h
 gusting to 50 becoming light near midnight. Low 10.
Tuesday..Mainly cloudy. 30 percent chance of showers early in the
 morning and late in the afternoon. Risk of a thunderstorm late in
 the afternoon. Fog patches dissipating in the morning. Wind becoming
 southwest 20 km/h in the morning. High 18. UV index 6 or high.

Halton Hills - Milton.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm this afternoon. Wind east 20 km/h gusting to 40.
 High 14. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 10 to
 15 mm. Fog patches developing overnight. Wind east 30 km/h gusting
 to 50 becoming light overnight. Low 10.
Tuesday..Mainly cloudy. 30 percent chance of showers early in the
 morning and late in the afternoon. Risk of a thunderstorm late in
 the afternoon. Fog patches dissipating in the morning. High 18. UV
 index 6 or high.

Mississauga - Brampton.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm this afternoon. Wind east 20 km/h gusting to 40.
 High 18. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 10 to
 15 mm. Fog patches developing overnight. Wind east 30 km/h gusting
 to 50 becoming light overnight. Low 11.
Tuesday..Mainly cloudy. 30 percent chance of showers early in the
 morning and late in the afternoon. Risk of a thunderstorm late in
 the afternoon. Fog patches dissipating in the morning. High 18. UV
 index 6 or high.

Caledon.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind east 20 km/h becoming light
 this afternoon. High 17. UV index 7 or 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 becoming
 southeast 20 km/h gusting to 40 late this evening. Low 12.
Tuesday..A few showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm late in the
 afternoon. Fog patches dissipating in the morning. Wind south
 20 km/h becoming light in the afternoon. High 19. UV index 6 or
 high.

Vaughan - Richmond Hill - Markham.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind east 20 km/h gusting to 40.
 High 18. UV index 7 or 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 east 30 km/h
 gusting to 50 becoming light overnight. Low 12.
Tuesday..A few showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm late in the
 afternoon. Fog patches dissipating in the morning. High 19. UV
 index 6 or high.

Newmarket - Georgina - Northern York Region.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind east 20 km/h. High 18. UV
 index 7 or 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 east 20 km/h
 gusting to 40 becoming light overnight. Low 13.
Tuesday..A few showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm late in the
 afternoon. Fog patches dissipating in the morning. High 19. UV
 index 6 or high.

Pickering - Oshawa - Southern Durham Region.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind east 20 km/h gusting to 40.
 High 18. UV index 7 or 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 east 30 km/h
 gusting to 50 becoming light overnight. Low 13.
Tuesday..A few showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm late in the
 afternoon. Fog patches dissipating in the morning. High 19. UV
 index 7 or high.

Uxbridge - Beaverton - Northern Durham Region.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind east 20 km/h. High 18. UV
 index 7 or 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 east 20 km/h
 gusting to 40 becoming light overnight. Low 13.
Tuesday..A few showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm late in the
 afternoon. Fog patches dissipating in the morning. High 19. UV
 index 6 or high.

Goderich - Bluewater - Southern Huron County.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm this afternoon. Wind northeast 20 km/h gusting to 40.
 High 20. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Fog patches developing
 overnight. Wind northeast 20 km/h gusting to 40 becoming light this
 evening. Low 12.
Tuesday..A few showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm in the
 afternoon. Fog patches dissipating in the morning. Wind becoming
 southwest 20 km/h in the morning. High 18. UV index 6 or high.

Wingham - Blyth - Northern Huron County.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm this afternoon. Wind east 20 km/h gusting to 40.
 High 20. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Fog patches developing
 overnight. Wind east 20 km/h becoming light this evening. Low 12.
Tuesday..A few showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm in the
 afternoon. Fog patches dissipating in the morning. Wind southeast
 20 km/h. High 18. UV index 6 or high.

Stratford - Mitchell - Southern Perth County.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm this afternoon. Wind northeast 20 km/h gusting to 40.
 High 18. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Fog patches developing
 overnight. Wind northeast 20 km/h gusting to 40 becoming light this
 evening. Low 12.
Tuesday..A few showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm in the
 afternoon. Fog patches dissipating in the morning. Wind becoming
 southwest 20 km/h in the morning. High 18. UV index 6 or high.

Listowel - Milverton - Northern Perth County.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm this afternoon. Wind east 20 km/h gusting to 40.
 High 18. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Fog patches developing
 overnight. Wind east 20 km/h becoming light this evening. Low 12.
Tuesday..A few showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm in the
 afternoon. Fog patches dissipating in the morning. Wind southeast
 20 km/h. High 19. UV index 6 or high.

Kitchener - Cambridge - Region of Waterloo.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm this afternoon. Wind east 20 km/h gusting to 40.
 High 16. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 10 to
 15 mm. Fog patches developing overnight. Wind east 20 km/h becoming
 light this evening. Low 12.
Tuesday..Mainly cloudy. 30 percent chance of showers early in the
 morning and late in the afternoon. Risk of a thunderstorm late in
 the afternoon. Fog patches dissipating in the morning. Wind
 southeast 20 km/h. High 19. UV index 6 or high.

Guelph - Erin - Southern Wellington County.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm this afternoon. Wind east 20 km/h gusting to 40.
 High 16. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Local amount 10 to
 15 mm. Fog patches developing overnight. Wind east 20 km/h becoming
 light this evening. Low 12.
Tuesday..Mainly cloudy. 30 percent chance of showers early in the
 morning and late in the afternoon. Risk of a thunderstorm late in
 the afternoon. Fog patches dissipating in the morning. Wind
 southeast 20 km/h. High 19. UV index 6 or high.

Mount Forest - Arthur - Northern Wellington County.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm this afternoon. Wind east 20 km/h gusting to 40.
 High 17. UV index 7 or high.
Tonight..Showers with risk of a thunderstorm. Fog patches developing
 overnight. Wind east 20 km/h becoming light this evening. Low 12.
Tuesday..A few showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm in the
 afternoon. Fog patches dissipating in the morning. Wind southeast
 20 km/h. High 19. UV index 6 or high.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind east 20 km/h. High 17. UV
 index 7 or 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 east 20 km/h
 becoming light this evening. Low 12.
Tuesday..A few showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm late in the
 afternoon. Fog patches dissipating in the morning. High 20. UV
 index 6 or high.

Shelburne - Mansfield - Northern Dufferin County.
Today..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind east 20 km/h gusting to 40.
 High 17. UV index 8 or very high.
Tonight..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 northeast 20 km/h
 gusting to 40 becoming southeast 20 late this evening then light
 after midnight. Low 12.
Tuesday..Showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm late in the
 afternoon. Fog patches dissipating in the morning. Wind becoming
 south 20 km/h in the morning. High 20. UV index 6 or high.

Innisfil - New Tecumseth - Angus.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind east 20 km/h. High 17. UV
 index 7 or 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 east 20 km/h
 gusting to 40 becoming light overnight. Low 13.
Tuesday..A few showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm late in the
 afternoon. Fog patches dissipating in the morning. High 20. UV
 index 6 or high.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind east 20 km/h gusting to 40.
 High 20. UV index 8 or very high.
Tonight..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 east 20 km/h
 becoming light this evening. Low 13.
Tuesday..Showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm late in the
 afternoon. Fog patches dissipating in the morning. High 18. UV
 index 6 or high.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind northeast 20 km/h gusting to
 40 becoming light this afternoon. High 15. UV index 7 or high.
Tonight..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. Low 9.
Tuesday..Showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm late in the
 afternoon. Fog patches dissipating in the morning. High 15. UV
 index 6 or high.

Hanover - Dundalk - Southern Grey County.
Today..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind east 20 km/h gusting to 40.
 High 19. UV index 8 or very high.
Tonight..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 east 20 km/h
 becoming light this evening. Low 12.
Tuesday..Showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm late in the
 afternoon. Fog patches dissipating in the morning. High 19. UV
 index 6 or high.

Owen Sound - Blue Mountains - Northern Grey County.
Today..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind northeast 20 km/h becoming
 light this afternoon. High 19. UV index 8 or very high.
Tonight..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. Low 11.
Tuesday..Showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm late in the
 afternoon. Fog patches dissipating in the morning. High 19. UV
 index 6 or high.

Barrie - Collingwood - Hillsdale.
Today..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind east 20 km/h. High 18. UV
 index 7 or high.
Tonight..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 east 20 km/h
 becoming light this evening. Low 12.
Tuesday..Showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm late in the
 afternoon. Fog patches dissipating in the morning. High 19. UV
 index 6 or high.

Midland - Coldwater - Orr Lake.
Today..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind east 20 km/h. High 18. UV
 index 7 or high.
Tonight..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 east 20 km/h
 becoming light this evening. Low 12.
Tuesday..Showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm late in the
 afternoon. Fog patches dissipating in the morning. High 17. UV
 index 6 or high.

Orillia - Lagoon City - Washago.
Today..Mainly cloudy with 30 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind east 20 km/h. High 18. UV
 index 7 or high.
Tonight..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 east 20 km/h
 becoming light this evening. Low 13.
Tuesday..Showers ending in the morning then mainly cloudy with
 30 percent chance of showers. Risk of a thunderstorm late in the
 afternoon. Fog patches dissipating in the morning. High 17. UV
 index 6 or high.

Cobourg - Colborne - Western Northumberland County.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind northeast 20 km/h gusting to
 40. High 18. UV index 7 or high.
Tonight..Cloudy. 40 percent chance of showers this evening. Showers
 beginning late this evening. Risk of a thunderstorm this evening and
 overnight. Local amount 5 to 10 mm. Wind east 20 km/h gusting to 40
 becoming light overnight. Low 14.
Tuesday..Mainly cloudy with 30 percent chance of showers in the
 morning and early in the afternoon. Showers beginning in the
 afternoon. Risk of a thunderstorm in the afternoon. Local amount 10
 to 20 mm. High 18. UV index 7 or high.

Belleville - Quinte West - Eastern Northumberland County.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind northeast 20 km/h gusting to
 40. High 18. UV index 7 or high.
Tonight..Cloudy. 40 percent chance of showers this evening. Showers
 beginning late this evening. Risk of a thunderstorm this evening and
 overnight. Local amount 5 to 10 mm. Wind east 20 km/h gusting to 40
 becoming light overnight. Low 14.
Tuesday..Mainly cloudy with 30 percent chance of showers in the
 morning and early in the afternoon. Showers beginning in the
 afternoon. Risk of a thunderstorm in the afternoon. Local amount 10
 to 20 mm. High 17. UV index 7 or high.

Picton - Sandbanks Park.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind northeast 20 km/h gusting to
 40. High 17 except 12 near Lake Ontario. UV index 7 or high.
Tonight..Cloudy. 40 percent chance of showers this evening. Showers
 beginning late this evening. Risk of a thunderstorm this evening and
 overnight. Local amount 5 to 10 mm. Wind east 20 km/h gusting to 40.
 Low 14.
Tuesday..Mainly cloudy with 30 percent chance of showers in the
 morning and early in the afternoon. Showers beginning in the
 afternoon. Risk of a thunderstorm in the afternoon. Local amount 10
 to 20 mm. Wind east 20 km/h becoming light in the morning. High 18.
 UV index 7 or high.

Napanee - Consecon.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind northeast 20 km/h gusting to
 40. High 18. UV index 7 or high.
Tonight..Cloudy. 40 percent chance of showers this evening. Showers
 beginning late this evening. Risk of a thunderstorm this evening and
 overnight. Local amount 5 to 10 mm. Wind east 20 km/h gusting to 40
 becoming light overnight. Low 14.
Tuesday..Mainly cloudy with 30 percent chance of showers in the
 morning and early in the afternoon. Showers beginning in the
 afternoon. Risk of a thunderstorm in the afternoon. Local amount 10
 to 20 mm. High 17. UV index 7 or high.

Kingston - Odessa - Frontenac Islands.
Today..Mainly cloudy with 40 percent chance of showers. Risk of a
 thunderstorm late this afternoon. Wind east 20 km/h gusting to 40.
 High 17. UV index 7 or high.
Tonight..Cloudy. 40 percent chance of showers this evening. Showers
 beginning late this evening. Risk of a thunderstorm this evening.
 Local amount 5 to 10 mm. Wind east 20 km/h gusting to 40 becoming
 light overnight. Low 12.
Tuesday..Mainly cloudy with 30 percent chance of showers in the
 morning and early in the afternoon. Showers beginning in the
 afternoon. Risk of a thunderstorm in the afternoon. Local amount 10
 to 20 mm. High 18. UV index 7 or high.

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