FPCN11 CWTO 130900
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 5:00 a.m. EDT Wednesday 13 August 2025 for
today and Thursday.
The next scheduled forecast will be issued at 11:00 a.m. EDT.

City of Toronto.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 30. Humidex 38. UV index 7 or high.
Tonight..Partly cloudy with 40 percent chance of showers early this
 evening and risk of a thunderstorm. Clearing this evening. Low 19.
Thursday..Mainly sunny. High 28. Humidex 31. UV index 8 or very high.

Windsor - Leamington - Essex County.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 29. Humidex 37. UV index 7 or high.
Tonight..Partly cloudy. 40 percent chance of showers early this
 evening with risk of a thunderstorm. Fog patches developing after
 midnight. Low 19.
Thursday..Mainly sunny. Fog patches dissipating in the morning.
 High 28. Humidex 34. UV index 8 or very high.

Chatham-Kent - Rondeau Park.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 29. Humidex 37. UV index 6 or high.
Tonight..Partly cloudy. 40 percent chance of showers early this
 evening with risk of a thunderstorm. Fog patches developing after
 midnight. Low 19.
Thursday..A mix of sun and cloud. Fog patches dissipating in the
 morning. High 28. Humidex 34. UV index 8 or very high.

Sarnia - Petrolia - Western Lambton County.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 28. Humidex 36. UV index 6 or high.
Tonight..A few clouds. Fog patches developing after midnight. Wind
 north 20 km/h becoming light near midnight. Low 18.
Thursday..Mainly sunny. Fog patches dissipating in the morning. Wind
 becoming north 20 km/h near noon. High 26. Humidex 31. UV index 8 or
 very high.

Watford - Pinery Park - Eastern Lambton County.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 28. Humidex 36. UV index 6 or high.
Tonight..Clearing. Fog patches developing after midnight. Wind north
 20 km/h becoming light near midnight. Low 18.
Thursday..Mainly sunny. Fog patches dissipating in the morning. Wind
 becoming north 20 km/h near noon. High 26. Humidex 31. UV index 8 or
 very high.

Rodney - Shedden - Western Elgin County.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 29. Humidex 36. UV index 6 or high.
Tonight..Clear. Becoming partly cloudy after midnight. Fog patches
 developing after midnight. Low 16.
Thursday..Mainly sunny. Fog patches dissipating in the morning.
 High 28. Humidex 31. UV index 8 or very high.

St. Thomas - Aylmer - Eastern Elgin County.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 29. Humidex 36. UV index 6 or high.
Tonight..Clear. Fog patches developing after midnight. Low 16.
Thursday..A mix of sun and cloud. Fog patches dissipating in the
 morning. High 28. Humidex 31. UV index 8 or very high.

Strathroy - Komoka - Western Middlesex County.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 29. Humidex 36. UV index 6 or high.
Tonight..Clear. Fog patches developing after midnight. Low 16.
Thursday..A mix of sun and cloud. Becoming sunny in the afternoon.
 Fog patches dissipating in the morning. High 28. Humidex 31. UV
 index 8 or very high.

London - Parkhill - Eastern Middlesex County.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 29. Humidex 36. UV index 6 or high.
Tonight..Clear. Fog patches developing after midnight. Low 16.
Thursday..Sunny. Becoming a mix of sun and cloud in the morning. Fog
 patches dissipating in the morning. High 28. Humidex 31. UV index 8
 or very high.

Simcoe - Delhi - Norfolk.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 30. Humidex 38. UV index 6 or high.
Tonight..Partly cloudy with 40 percent chance of showers early this
 evening and risk of a thunderstorm. Clearing this evening. Low 19.
Thursday..Mainly sunny. High 28. Humidex 32. UV index 8 or very high.

Dunnville - Caledonia - Haldimand.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 30. Humidex 38. UV index 6 or high.
Tonight..Partly cloudy. 40 percent chance of showers early this
 evening with risk of a thunderstorm. Clearing near midnight. Low 19.
Thursday..Mainly sunny. High 28. Humidex 32. UV index 8 or very high.

Woodstock - Tillsonburg - Oxford County.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 29. Humidex 36. UV index 6 or high.
Tonight..Clear. Fog patches developing after midnight. Low 16.
Thursday..Sunny. Becoming a mix of sun and cloud in the afternoon.
 Fog patches dissipating in the morning. High 28. Humidex 31. UV
 index 8 or very high.

Brantford - County of Brant.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 30. Humidex 38. UV index 6 or high.
Tonight..Partly cloudy with 40 percent chance of showers early this
 evening and risk of a thunderstorm. Clearing late this evening.
 Low 19.
Thursday..Sunny. Becoming a mix of sun and cloud near noon. High 28.
 Humidex 32. UV index 8 or very high.

Niagara Falls - Welland - Southern Niagara Region.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 30. Humidex 38. UV index 6 or high.
Tonight..Mainly cloudy with 40 percent chance of showers early this
 evening and risk of a thunderstorm. Clearing late this evening.
 Low 19.
Thursday..Mainly sunny. High 28. Humidex 32. UV index 8 or very high.

St. Catharines - Grimsby - Northern Niagara Region.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 30. Humidex 38. UV index 8 or very high.
Tonight..Mainly cloudy. 40 percent chance of showers early this
 evening with risk of a thunderstorm. Clearing near midnight. Low 19.
Thursday..A mix of sun and cloud. Becoming sunny in the morning.
 High 28. Humidex 32. UV index 8 or very high.

City of Hamilton.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 30. Humidex 38. UV index 6 or high.
Tonight..Partly cloudy with 40 percent chance of showers early this
 evening and risk of a thunderstorm. Clearing late this evening.
 Low 19.
Thursday..Sunny. Becoming a mix of sun and cloud late in the morning.
 High 28. Humidex 32. UV index 8 or very high.

Burlington - Oakville.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 30. Humidex 38. UV index 6 or high.
Tonight..Partly cloudy with 40 percent chance of showers early this
 evening and risk of a thunderstorm. Clearing this evening. Low 19.
Thursday..Mainly sunny. High 28. Humidex 31. UV index 8 or very high.

Halton Hills - Milton.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 30. Humidex 38. UV index 6 or high.
Tonight..Partly cloudy with 40 percent chance of showers early this
 evening then clear. Risk of a thunderstorm early this evening.
 Low 19.
Thursday..A mix of sun and cloud. High 28. Humidex 31. UV index 8 or
 very high.

Mississauga - Brampton.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 30. Humidex 38. UV index 6 or high.
Tonight..Partly cloudy with 40 percent chance of showers early this
 evening and risk of a thunderstorm. Clearing this evening. Low 19.
Thursday..A mix of sun and cloud. High 28. Humidex 31. UV index 8 or
 very high.

Caledon.
Today..Mainly cloudy with 30 percent chance of showers and risk of a
 thunderstorm. High 28. Humidex 35. UV index 7 or high.
Tonight..Clear. Fog patches developing after midnight. Low 16.
Thursday..A mix of sun and cloud. Becoming cloudy in the afternoon.
 Fog patches dissipating in the morning. High 27. Humidex 32. UV
 index 8 or very high.

Vaughan - Richmond Hill - Markham.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 30. Humidex 38. UV index 6 or high.
Tonight..Partly cloudy with 40 percent chance of showers early this
 evening then clear. Risk of a thunderstorm early this evening.
 Low 19.
Thursday..Mainly sunny. High 28. Humidex 31. 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. High 29. Humidex 37. UV index 6 or high.
Tonight..Clear. Becoming partly cloudy overnight. Low 17.
Thursday..Mainly sunny. Increasing cloudiness near noon. High 28.
 Humidex 31. UV index 8 or very high.

Pickering - Oshawa - Southern Durham Region.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 30. Humidex 38. UV index 7 or high.
Tonight..Partly cloudy with 40 percent chance of showers early this
 evening then clear. Risk of a thunderstorm early this evening.
 Low 19.
Thursday..Sunny. Becoming a mix of sun and cloud late in the morning.
 High 28. Humidex 31. UV index 8 or very high.

Uxbridge - Beaverton - Northern Durham Region.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 29. Humidex 37. UV index 6 or high.
Tonight..Clear. Low 17.
Thursday..Sunny. Becoming a mix of sun and cloud late in the morning.
 High 28. Humidex 31. UV index 8 or very high.

Goderich - Bluewater - Southern Huron County.
Today..Mainly cloudy. 30 percent chance of showers this morning.
 Clearing this afternoon. Risk of a thunderstorm early this morning.
 High 27. Humidex 35. UV index 8 or very high.
Tonight..Clear. Fog patches developing after midnight. Low 16.
Thursday..Mainly sunny. Fog patches dissipating in the morning.
 High 26. Humidex 31. UV index 8 or very high.

Wingham - Blyth - Northern Huron County.
Today..Mainly cloudy with 30 percent chance of showers this morning.
 Clearing this afternoon. Risk of a thunderstorm early this morning.
 High 27. Humidex 35. UV index 7 or high.
Tonight..Clear. Becoming partly cloudy before morning. Fog patches
 developing after midnight. Low 16.
Thursday..A mix of sun and cloud. Fog patches dissipating in the
 morning. High 26. Humidex 31. UV index 8 or very high.

Stratford - Mitchell - Southern Perth County.
Today..Mainly cloudy. 30 percent chance of showers this morning and
 early this afternoon with risk of a thunderstorm. High 28. Humidex
 35. UV index 6 or high.
Tonight..Clear. Fog patches developing after midnight. Low 16.
Thursday..Sunny. Becoming a mix of sun and cloud in the afternoon.
 Fog patches dissipating in the morning. High 27. Humidex 32. UV
 index 8 or very high.

Listowel - Milverton - Northern Perth County.
Today..Mainly cloudy with 30 percent chance of showers this morning
 and early this afternoon and risk of a thunderstorm. Clearing this
 afternoon. High 28. Humidex 35. UV index 6 or high.
Tonight..Clear. Fog patches developing after midnight. Low 16.
Thursday..A mix of sun and cloud. Fog patches dissipating in the
 morning. High 27. Humidex 32. UV index 8 or very high.

Kitchener - Cambridge - Region of Waterloo.
Today..Mainly cloudy with 30 percent chance of showers and risk of a
 thunderstorm. High 28. Humidex 35. UV index 6 or high.
Tonight..Clear. Fog patches developing after midnight. Low 16.
Thursday..Sunny. Becoming a mix of sun and cloud near noon. Fog
 patches dissipating in the morning. High 27. Humidex 32. UV index 8
 or very high.

Guelph - Erin - Southern Wellington County.
Today..Mainly cloudy with 30 percent chance of showers and risk of a
 thunderstorm. High 28. Humidex 35. UV index 6 or high.
Tonight..Clearing this evening. Fog patches developing after
 midnight. Low 16.
Thursday..A mix of sun and cloud. Fog patches dissipating in the
 morning. High 27. Humidex 32. UV index 8 or very high.

Mount Forest - Arthur - Northern Wellington County.
Today..Mainly cloudy with 30 percent chance of showers this morning
 and early this afternoon and risk of a thunderstorm. Clearing this
 afternoon. High 28. Humidex 35. UV index 7 or high.
Tonight..Clear. Fog patches developing after midnight. Low 16.
Thursday..A mix of sun and cloud. Fog patches dissipating in the
 morning. High 27. Humidex 32. UV index 8 or very high.

Orangeville - Grand Valley - Southern Dufferin County.
Today..Mainly cloudy. 30 percent chance of showers this morning and
 early this afternoon with risk of a thunderstorm. High 28. Humidex
 35. UV index 7 or high.
Tonight..Clear. Fog patches developing after midnight. Low 16.
Thursday..A mix of sun and cloud. Becoming cloudy in the afternoon.
 Fog patches dissipating in the morning. High 27. Humidex 32. UV
 index 8 or very high.

Shelburne - Mansfield - Northern Dufferin County.
Today..Mainly cloudy. 30 percent chance of showers this morning. Risk
 of a thunderstorm early this morning. High 28. Humidex 35. UV
 index 7 or high.
Tonight..Clear. Fog patches developing after midnight. Low 17.
Thursday..A mix of sun and cloud. Becoming cloudy near noon. Fog
 patches dissipating in the morning. High 26. Humidex 32. UV index 7
 or high.

Innisfil - New Tecumseth - Angus.
Today..Mainly cloudy. 30 percent chance of showers this morning. Risk
 of a thunderstorm early this morning. High 28. Humidex 35. UV
 index 7 or high.
Tonight..Clear. Becoming partly cloudy after midnight. Fog patches
 developing after midnight. Low 17.
Thursday..Mainly sunny. Increasing cloudiness late in the morning.
 Fog patches dissipating in the morning. High 26. Humidex 32. UV
 index 8 or very high.

Saugeen Shores - Kincardine - Southern Bruce County.
Today..Mainly cloudy with 30 percent chance of showers this morning.
 Clearing this afternoon. Risk of a thunderstorm early this morning.
 High 27. Humidex 33. UV index 8 or very high.
Tonight..Clear. Becoming partly cloudy after midnight. Fog patches
 developing after midnight. Low 16.
Thursday..A mix of sun and cloud. Fog patches dissipating in the
 morning. High 26. Humidex 32. UV index 8 or very high.

Bruce Peninsula - Sauble Beach - Tobermory.
Today..A mix of sun and cloud. 30 percent chance of showers early
 this morning. Clearing this afternoon. Risk of a thunderstorm early
 this morning. High 26. Humidex 32. UV index 7 or high.
Tonight..Clear. Fog patches developing after midnight. Low 18.
Thursday..A mix of sun and cloud. Clearing early in the afternoon.
 Fog patches dissipating in the morning. Wind becoming northeast
 20 km/h near noon. High 24. Humidex 29. UV index 7 or high.

Hanover - Dundalk - Southern Grey County.
Today..Mainly cloudy. 30 percent chance of showers this morning.
 Clearing this afternoon. Risk of a thunderstorm early this morning.
 High 27. Humidex 33. UV index 7 or high.
Tonight..Clear. Becoming partly cloudy before morning. Fog patches
 developing after midnight. Low 16.
Thursday..A mix of sun and cloud. Fog patches dissipating in the
 morning. High 26. Humidex 32. UV index 8 or very high.

Owen Sound - Blue Mountains - Northern Grey County.
Today..Mainly cloudy with 30 percent chance of showers this morning.
 Clearing this afternoon. Risk of a thunderstorm early this morning.
 High 27. Humidex 33. UV index 8 or very high.
Tonight..Clear. Becoming partly cloudy after midnight. Fog patches
 developing after midnight. Low 16.
Thursday..A mix of sun and cloud. Clearing near noon. Fog patches
 dissipating in the morning. High 26. Humidex 32. UV index 8 or very
 high.

Barrie - Collingwood - Hillsdale.
Today..A mix of sun and cloud. 30 percent chance of showers this
 morning. Risk of a thunderstorm early this morning. High 28. Humidex
 35. UV index 8 or very high.
Tonight..Clear. Fog patches developing after midnight. Low 17.
Thursday..Sunny. Becoming a mix of sun and cloud in the morning. Fog
 patches dissipating in the morning. High 26. Humidex 32. UV index 8
 or very high.

Midland - Coldwater - Orr Lake.
Today..Mainly cloudy with 30 percent chance of showers this morning.
 Clearing this afternoon. Risk of a thunderstorm early this morning.
 High 28. Humidex 35. UV index 8 or very high.
Tonight..A few clouds. Fog patches developing after midnight. Low 17.
Thursday..A mix of sun and cloud. Fog patches dissipating in the
 morning. High 26. Humidex 32. UV index 8 or very high.

Orillia - Lagoon City - Washago.
Today..Mainly cloudy. 30 percent chance of showers this morning.
 Clearing this afternoon. Risk of a thunderstorm early this morning.
 High 28. Humidex 35. UV index 7 or high.
Tonight..Clear. Fog patches developing after midnight. Low 17.
Thursday..Sunny. Becoming a mix of sun and cloud in the morning. Fog
 patches dissipating in the morning. High 26. Humidex 32. UV index 8
 or very high.

Cobourg - Colborne - Western Northumberland County.
Today..A few showers ending early this morning then mainly cloudy
 with 40 percent chance of showers. Risk of a thunderstorm. Wind
 becoming southwest 20 km/h near noon. High 30. Humidex 38. UV
 index 7 or high.
Tonight..Partly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 20.
Thursday..Sunny. Increasing cloudiness early in the afternoon.
 High 28. Humidex 33. UV index 7 or high.

Belleville - Quinte West - Eastern Northumberland County.
Today..A few showers ending early this morning then mainly cloudy
 with 40 percent chance of showers. Risk of a thunderstorm. Wind
 becoming southwest 20 km/h near noon. High 30. Humidex 38. UV
 index 7 or high.
Tonight..Partly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 20.
Thursday..Sunny. Increasing cloudiness early in the afternoon.
 High 28. Humidex 33. UV index 7 or high.

Picton - Sandbanks Park.
Today..A few showers ending early this morning then mainly cloudy
 with 40 percent chance of showers. Risk of a thunderstorm. Wind
 becoming southwest 20 km/h near noon. High 30. Humidex 38. UV
 index 7 or high.
Tonight..Partly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 20.
Thursday..Sunny. Increasing cloudiness early in the afternoon.
 High 28. Humidex 33. UV index 7 or high.

Napanee - Consecon.
Today..A few showers ending early this morning then mainly cloudy
 with 40 percent chance of showers. Risk of a thunderstorm. Wind
 becoming southwest 20 km/h near noon. High 30. Humidex 38. UV
 index 7 or high.
Tonight..Partly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 20.
Thursday..Sunny. Increasing cloudiness early in the afternoon.
 High 28. Humidex 33. UV index 7 or high.

Kingston - Odessa - Frontenac Islands.
Today..A few showers ending early this morning then mainly cloudy
 with 40 percent chance of showers. Risk of a thunderstorm. Wind
 becoming southwest 20 km/h near noon. High 30. Humidex 38. UV
 index 7 or high.
Tonight..Partly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 20.
Thursday..A mix of sun and cloud. High 28. Humidex 33. UV index 7 or
 high.

Lindsay - Southern Kawartha Lakes.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. Clearing this afternoon. High 29. Humidex 37. UV
 index 6 or high.
Tonight..Clear. Low 17.
Thursday..Sunny. Becoming a mix of sun and cloud in the morning.
 High 28. Humidex 31. UV index 8 or very high.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. Clearing this afternoon. High 28. Humidex 35. UV
 index 7 or high.
Tonight..Clear. Low 15.
Thursday..Increasing cloudiness in the morning. High 27. Humidex 30.
 UV index 8 or very high.

Peterborough City - Lakefield - Southern Peterborough County.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 29. Humidex 37. UV index 6 or high.
Tonight..Clear. Low 17.
Thursday..Sunny. Becoming a mix of sun and cloud in the morning.
 High 28. Humidex 31. UV index 8 or very high.

Apsley - Woodview - Northern Peterborough County.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 28. Humidex 35. UV index 6 or high.
Tonight..Clear. Low 15.
Thursday..Increasing cloudiness in the morning. High 27. Humidex 30.
 UV index 8 or very high.

Stirling - Tweed - Madoc.
Today..A few showers ending early this morning then mainly cloudy
 with 40 percent chance of showers. Risk of a thunderstorm. Wind
 becoming southwest 20 km/h near noon. High 30. Humidex 38. UV
 index 7 or high.
Tonight..Partly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 19.
Thursday..Sunny. Increasing cloudiness early in the afternoon.
 High 28. Humidex 33. UV index 8 or very high.

Tamworth - Sydenham - South Frontenac.
Today..A few showers ending early this morning then mainly cloudy
 with 40 percent chance of showers. Risk of a thunderstorm. Wind
 becoming southwest 20 km/h near noon. High 30. Humidex 38. UV
 index 7 or high.
Tonight..Partly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 19.
Thursday..A mix of sun and cloud. High 28. Humidex 33. UV index 7 or
 high.

Kaladar - Bannockburn - Bon Echo Park.
Today..Mainly cloudy with 40 percent chance of showers and risk of a
 thunderstorm. High 28. Humidex 35. UV index 7 or high.
Tonight..Clearing late this evening. Low 15.
Thursday..Sunny. Becoming a mix of sun and cloud in the afternoon.
 High 27. Humidex 30. UV index 7 or high.

Bancroft - Hastings Highlands - Denbigh.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers this morning. Risk of a thunderstorm.
 Wind becoming northwest 20 km/h near noon. High 28. Humidex 35. UV
 index 6 or high.
Tonight..Clear. Low 16.
Thursday..Mainly sunny. High 26. Humidex 29. UV index 7 or high.

Gananoque - Mallorytown.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers near noon. Risk of a thunderstorm.
 High 30. Humidex 39. UV index 7 or high.
Tonight..Partly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 19.
Thursday..A mix of sun and cloud. 30 percent chance of showers late
 in the morning and early afternoon. High 28. Humidex 33. UV index 7
 or high.

Brockville - Prescott.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers near noon. Risk of a thunderstorm.
 High 30. Humidex 39. UV index 8 or very high.
Tonight..Mainly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 19.
Thursday..A mix of sun and cloud. 30 percent chance of showers late
 in the morning and early afternoon. High 28. Humidex 33. UV index 7
 or high.

Westport - Charleston Lake.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers near noon. Risk of a thunderstorm.
 High 30. Humidex 39. UV index 8 or very high.
Tonight..Mainly cloudy with 40 percent chance of showers this evening
 and risk of a thunderstorm. Clearing overnight. Low 19.
Thursday..A mix of sun and cloud. 30 percent chance of showers late
 in the morning and early afternoon. High 28. Humidex 33. UV index 7
 or high.

Merrickville-Wolford - Kemptville.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers near noon. Risk of a thunderstorm.
 High 30. Humidex 39. UV index 8 or very high.
Tonight..Mainly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 19.
Thursday..A mix of sun and cloud. 30 percent chance of showers late
 in the morning and early afternoon. High 28. Humidex 33. UV index 7
 or high.

Ottawa North - Kanata - Orl�ans.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers this morning. Risk of a thunderstorm.
 High 30. Humidex 38. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 18.
Thursday..Mainly sunny. High 28. Humidex 32. UV index 7 or high.

Ottawa South - Richmond - Metcalfe.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers this morning. Risk of a thunderstorm.
 High 30. Humidex 38. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 18.
Thursday..Mainly sunny. High 28. Humidex 32. UV index 7 or high.

Gatineau.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers this morning. Risk of a thunderstorm.
 High 30. Humidex 38. UV index 7 or high.
Tonight..Partly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 18.
Thursday..Mainly sunny. High 28. Humidex 32. UV index 7 or high.

Prescott and Russell.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers near noon. Risk of a thunderstorm.
 High 30. Humidex 39. UV index 8 or very high.
Tonight..Mainly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 19.
Thursday..A mix of sun and cloud. 30 percent chance of showers late
 in the morning and early afternoon. High 28. Humidex 33. UV index 7
 or high.

Morrisburg - Long Sault.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers near noon. Risk of a thunderstorm.
 High 30. Humidex 39. UV index 8 or very high.
Tonight..Mainly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 19.
Thursday..A mix of sun and cloud. 30 percent chance of showers late
 in the morning and early afternoon. High 28. Humidex 33. UV index 7
 or high.

Cornwall - Lancaster.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers near noon. Risk of a thunderstorm.
 High 30. Humidex 39. UV index 8 or very high.
Tonight..Mainly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 19.
Thursday..A mix of sun and cloud. 30 percent chance of showers late
 in the morning and early afternoon. High 28. Humidex 33. UV index 7
 or high.

Winchester - Newington.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers near noon. Risk of a thunderstorm.
 High 30. Humidex 39. UV index 8 or very high.
Tonight..Mainly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 19.
Thursday..A mix of sun and cloud. 30 percent chance of showers late
 in the morning and early afternoon. High 28. Humidex 33. UV index 7
 or high.

Maxville - Alexandria.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers near noon. Risk of a thunderstorm.
 High 30. Humidex 39. UV index 8 or very high.
Tonight..Mainly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 19.
Thursday..A mix of sun and cloud. 30 percent chance of showers late
 in the morning and early afternoon. High 28. Humidex 33. UV index 7
 or high.

Plevna - Sharbot Lake - Western Lanark County.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers this morning. Risk of a thunderstorm.
 High 30. Humidex 38. UV index 7 or high.
Tonight..Partly cloudy with 40 percent chance of showers this evening
 and risk of a thunderstorm. Clearing late this evening. Low 18.
Thursday..Mainly sunny. High 28. Humidex 32. UV index 7 or high.

Smiths Falls - Perth - Eastern Lanark County.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers this morning. Risk of a thunderstorm.
 High 30. Humidex 38. UV index 8 or very high.
Tonight..Partly cloudy. 40 percent chance of showers this evening
 with risk of a thunderstorm. Low 18.
Thursday..A mix of sun and cloud. High 28. Humidex 32. UV index 7 or
 high.

Port Carling - Port Severn.
Today..Mainly cloudy with 40 percent chance of showers this morning.
 Clearing this afternoon. Risk of a thunderstorm early this morning.
 High 26. Humidex 31. UV index 8 or very high.
Tonight..Clear. Low 16.
Thursday..Sunny. Becoming a mix of sun and cloud in the morning.
 High 25. Humidex 28. UV index 7 or high.

Bracebridge - Gravenhurst.
Today..Mainly cloudy with 40 percent chance of showers this morning.
 Clearing this afternoon. Risk of a thunderstorm early this morning.
 High 26. Humidex 31. UV index 7 or high.
Tonight..Clear. Low 16.
Thursday..A mix of sun and cloud. High 25. Humidex 28. UV index 7 or
 high.

Town of Parry Sound - Rosseau - Killbear Park.
Today..Mainly cloudy with 40 percent chance of showers this morning.
 Clearing this afternoon. Risk of a thunderstorm early this morning.
 High 26. Humidex 31. UV index 8 or very high.
Tonight..A few clouds. Low 16.
Thursday..A mix of sun and cloud. High 25. Humidex 28. UV index 7 or
 high.

Huntsville - Baysville.
Today..Mainly cloudy with 40 percent chance of showers this morning.
 Clearing this afternoon. Risk of a thunderstorm early this morning.
 High 26. Humidex 31. UV index 7 or high.
Tonight..A few clouds. Low 16.
Thursday..Mainly sunny. High 25. Humidex 28. UV index 7 or high.

Haliburton - Minden - Southern Haliburton County.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers this morning. Risk of a thunderstorm
 this morning. High 27. Humidex 32. UV index 7 or high.
Tonight..Clear. Low 14.
Thursday..A mix of sun and cloud. High 24. Humidex 28. UV index 7 or
 high.

Oxtongue Lake - Fort Irwin - Northern Haliburton County.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers this morning. Risk of a thunderstorm
 this morning. High 27. Humidex 32. UV index 7 or high.
Tonight..Clear. Low 14.
Thursday..Mainly sunny. High 24. Humidex 28. UV index 7 or high.

Barry's Bay - Killaloe.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers this morning. Clearing this afternoon.
 Risk of a thunderstorm. Wind becoming northwest 20 km/h near noon.
 High 28. Humidex 35. UV index 7 or high.
Tonight..Clear. Low 16.
Thursday..A mix of sun and cloud. Becoming sunny in the morning.
 High 26. Humidex 29. UV index 7 or high.

Renfrew - Arnprior - Calabogie.
Today..Mainly cloudy. 70 percent chance of showers changing to
 30 percent chance of showers this morning. Risk of a thunderstorm.
 Wind becoming northwest 20 km/h near noon. High 28. Humidex 35. UV
 index 7 or high.
Tonight..Clear. Low 16.
Thursday..A mix of sun and cloud. Becoming sunny in the morning.
 High 26. Humidex 29. UV index 7 or high.

Petawawa - Pembroke - Cobden.
Today..A mix of sun and cloud. 70 percent chance of showers changing
 to 30 percent chance of showers this morning. Clearing this
 afternoon. Risk of a thunderstorm. Wind becoming northwest 20 km/h
 near noon. High 28. Humidex 35. UV index 7 or high.
Tonight..Clear. Low 16.
Thursday..A mix of sun and cloud. Becoming sunny in the morning.
 High 26. Humidex 29. UV index 7 or high.

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