Subj : [1/2] Southern Ontario Weather To : All From : Northern Realms Date : Fri Jul 10 2026 11:05:02 FPCN11 CWTO 101500 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 11:00 a.m. EDT Friday 10 July 2026 for today and Saturday. The next scheduled forecast will be issued at 3:30 p.m. EDT. City of Toronto. Today..A mix of sun and cloud. 30 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 32. UV index 8 or very high. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Low 19. Saturday..Sunny. High 28. Humidex 30. UV index 8 or very high. Windsor - Leamington - Essex County. Today..Mainly cloudy. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 35. UV index 9 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 19. Saturday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h near noon. High 28. Humidex 33. UV index 9 or very high. Chatham-Kent - Rondeau Park. Today..A mix of sun and cloud. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 35. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 19. Saturday..A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of a thunderstorm. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h near noon. High 28. Humidex 33. UV index 9 or very high. Sarnia - Petrolia - Western Lambton County. Today..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. High 27. Humidex 36. UV index 9 or very high. Tonight..A few clouds. Fog patches developing after midnight. Low 18. Saturday..Mainly sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h near noon. High 27. Humidex 30. UV index 9 or very high. Watford - Pinery Park - Eastern Lambton County. Today..A mix of sun and cloud with 40 percent chance of showers and risk of a thunderstorm. High 27. Humidex 36. UV index 8 or very high. Tonight..A few clouds. Fog patches developing after midnight. Low 18. Saturday..A mix of sun and cloud. Becoming sunny in the morning. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h near noon. High 27. Humidex 30. UV index 9 or very high. Rodney - Shedden - Western Elgin County. Today..Mainly cloudy. 40 percent chance of showers late this afternoon with risk of a thunderstorm. High 27. Humidex 35. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 19. Saturday..Mainly sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h near noon. High 27. Humidex 32. UV index 9 or very high. St. Thomas - Aylmer - Eastern Elgin County. Today..Mainly cloudy. 40 percent chance of showers late this afternoon with risk of a thunderstorm. High 27. Humidex 35. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 19. Saturday..Mainly sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h near noon. High 27. Humidex 32. UV index 9 or very high. Strathroy - Komoka - Western Middlesex County. Today..A mix of sun and cloud. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 35. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 17. Saturday..Mainly sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h near noon. High 27. Humidex 30. UV index 9 or very high. London - Parkhill - Eastern Middlesex County. Today..Mainly cloudy. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 35. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 17. Saturday..Sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h near noon. High 27. Humidex 30. UV index 9 or very high. Simcoe - Delhi - Norfolk. Today..Mainly cloudy. 40 percent chance of showers late this afternoon with risk of a thunderstorm. High 27. Humidex 35. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 19. Saturday..Sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h near noon. High 27. Humidex 32. UV index 9 or very high. Dunnville - Caledonia - Haldimand. Today..A mix of sun and cloud. 40 percent chance of showers late this afternoon with risk of a thunderstorm. High 27. Humidex 35. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 19. Saturday..Sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h near noon. High 27. Humidex 32. UV index 9 or very high. Woodstock - Tillsonburg - Oxford County. Today..Mainly cloudy. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 35. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 17. Saturday..Sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h near noon. High 27. Humidex 30. UV index 8 or very high. Brantford - County of Brant. Today..A mix of sun and cloud. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 35. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this evening. Becoming clear overnight. Risk of a thunderstorm early this evening. Fog patches developing after midnight. Low 17. Saturday..Sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h near noon. High 27. Humidex 30. UV index 8 or very high. Niagara Falls - Welland - Southern Niagara Region. Today..A mix of sun and cloud. 30 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 35. UV index 8 or very high. Tonight..A few clouds. Fog patches developing after midnight. Low 19. Saturday..A mix of sun and cloud. Becoming sunny in the morning. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h near noon. High 27. Humidex 32. UV index 8 or very high. St. Catharines - Grimsby - Northern Niagara Region. Today..A mix of sun and cloud. 30 percent chance of showers this afternoon with risk of a thunderstorm. High 28. Humidex 36. UV index 8 or very high. Tonight..A few clouds. Fog patches developing after midnight. Low 19. Saturday..Sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h near noon. High 27. Humidex 32. UV index 8 or very high. City of Hamilton. Today..A mix of sun and cloud. 30 percent chance of showers this afternoon with risk of a thunderstorm. High 26. Humidex 34. UV index 8 or very high. Tonight..A few clouds. Fog patches developing after midnight. Low 19. Saturday..Sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h near noon. High 27. Humidex 32. UV index 9 or very high. Burlington - Oakville. Today..A mix of sun and cloud. 30 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 32. UV index 8 or very high. Tonight..Partly cloudy with 30 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Low 19. Saturday..Sunny. High 28. Humidex 31. UV index 8 or very high. Halton Hills - Milton. Today..A mix of sun and cloud. 30 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 32. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Low 19. Saturday..Sunny. High 28. Humidex 31. UV index 8 or very high. Mississauga - Brampton. Today..A mix of sun and cloud. 30 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 32. UV index 8 or very high. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Low 19. Saturday..Sunny. High 28. Humidex 31. UV index 8 or very high. Caledon. Today..A mix of sun and cloud. 30 percent chance of showers late this afternoon with risk of a thunderstorm. High 27. Humidex 33. UV index 8 or very high. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Fog patches developing after midnight. Low 16. Saturday..Sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h late in the morning. High 26. Humidex 27. UV index 8 or very high. Vaughan - Richmond Hill - Markham. Today..A mix of sun and cloud. 30 percent chance of showers this afternoon with risk of a thunderstorm. High 28. Humidex 34. UV index 8 or very high. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Low 19. Saturday..Sunny. High 28. Humidex 31. UV index 8 or very high. Newmarket - Georgina - Northern York Region. Today..A mix of sun and cloud. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 34. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Fog patches developing after midnight. Low 16. Saturday..Sunny. Fog patches dissipating in the morning. High 27. Humidex 30. UV index 8 or very high. Pickering - Oshawa - Southern Durham Region. Today..Sunny early this afternoon then a mix of sun and cloud with 30 percent chance of showers this afternoon. Risk of a thunderstorm this afternoon. High 28. Humidex 34. UV index 8 or very high. Tonight..Mainly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Low 19. Saturday..Sunny. High 28. Humidex 31. UV index 8 or very high. Uxbridge - Beaverton - Northern Durham Region. Today..A mix of sun and cloud. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 34. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 16. Saturday..Sunny. Fog patches dissipating in the morning. High 27. Humidex 30. UV index 8 or very high. Goderich - Bluewater - Southern Huron County. Today..Mainly cloudy. 30 percent chance of showers late this afternoon with risk of a thunderstorm. High 27. Humidex 33. UV index 7 or high. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 16. Saturday..Sunny. Becoming a mix of sun and cloud near noon. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h late in the morning. High 27. Humidex 28. UV index 8 or very high. Wingham - Blyth - Northern Huron County. Today..A mix of sun and cloud. 30 percent chance of showers late this afternoon with risk of a thunderstorm. High 27. Humidex 33. UV index 8 or very high. Tonight..Mainly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Clearing near midnight. Fog patches developing after midnight. Low 16. Saturday..Sunny. Increasing cloudiness late in the morning. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h late in the morning. High 27. Humidex 28. UV index 8 or very high. Stratford - Mitchell - Southern Perth County. Today..Mainly cloudy. 30 percent chance of showers late this afternoon with risk of a thunderstorm. High 27. Humidex 33. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 16. Saturday..Sunny. Becoming a mix of sun and cloud in the afternoon. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h late in the morning. High 26. Humidex 27. UV index 8 or very high. Listowel - Milverton - Northern Perth County. Today..A mix of sun and cloud. 30 percent chance of showers late this afternoon with risk of a thunderstorm. High 27. Humidex 33. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Clearing overnight. Fog patches developing after midnight. Low 16. Saturday..Sunny. Increasing cloudiness near noon. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h late in the morning. High 26. Humidex 27. UV index 8 or very high. Kitchener - Cambridge - Region of Waterloo. Today..Mainly cloudy. 30 percent chance of showers late this afternoon with risk of a thunderstorm. High 27. Humidex 33. UV index 8 or very high. Tonight..Mainly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Fog patches developing after midnight. Low 16. Saturday..Sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h late in the morning. High 26. Humidex 27. UV index 8 or very high. Guelph - Erin - Southern Wellington County. Today..A mix of sun and cloud. 30 percent chance of showers late this afternoon with risk of a thunderstorm. High 27. Humidex 33. UV index 8 or very high. Tonight..Mainly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Fog patches developing after midnight. Low 16. Saturday..Sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h late in the morning. High 26. Humidex 27. UV index 8 or very high. Mount Forest - Arthur - Northern Wellington County. Today..A mix of sun and cloud. 30 percent chance of showers late this afternoon with risk of a thunderstorm. High 27. Humidex 33. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Clearing near midnight. Fog patches developing after midnight. Low 16. Saturday..Sunny. Becoming a mix of sun and cloud late in the morning. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h late in the morning. High 26. Humidex 27. UV index 8 or very high. Orangeville - Grand Valley - Southern Dufferin County. Today..A mix of sun and cloud. 30 percent chance of showers late this afternoon with risk of a thunderstorm. High 27. Humidex 32. UV index 8 or very high. Tonight..Partly cloudy with 30 percent chance of showers early this evening and risk of a thunderstorm. Clearing this evening. Fog patches developing after midnight. Low 16. Saturday..Sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h late in the morning. High 26. Humidex 27. UV index 8 or very high. Shelburne - Mansfield - Northern Dufferin County. Today..A mix of sun and cloud. 30 percent chance of showers late this afternoon with risk of a thunderstorm. High 27. Humidex 32. UV index 8 or very high. Tonight..Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Fog patches developing after midnight. Low 16. Saturday..Sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h late in the morning. High 26. Humidex 27. UV index 8 or very high. Innisfil - New Tecumseth - Angus. Today..A mix of sun and cloud. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 34. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Fog patches developing after midnight. Low 16. Saturday..Sunny. Fog patches dissipating in the morning. High 27. Humidex 30. UV index 8 or very high. Saugeen Shores - Kincardine - Southern Bruce County. Today..A mix of sun and cloud. High 27. Humidex 32. UV index 8 or very high. Tonight..Clear. Fog patches developing after midnight. Low 15. Saturday..Mainly sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h late in the morning. High 26. Humidex 28. UV index 8 or very high. Bruce Peninsula - Sauble Beach - Tobermory. Today..Sunny. Becoming a mix of sun and cloud this afternoon. High 26. Humidex 31. UV index 8 or very high. Tonight..A few clouds. Fog patches developing after midnight. Low 18. Saturday..A mix of sun and cloud. Becoming sunny in the morning. Fog patches dissipating in the morning. High 25. Humidex 28. UV index 8 or very high. Hanover - Dundalk - Southern Grey County. Today..A mix of sun and cloud. High 27. Humidex 32. UV index 8 or very high. Tonight..Clear. Fog patches developing after midnight. Low 15. Saturday..Mainly sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h late in the morning. High 26. Humidex 28. UV index 8 or very high. Owen Sound - Blue Mountains - Northern Grey County. Today..Mainly sunny. High 27. Humidex 32. UV index 8 or very high. Tonight..Clear. Fog patches developing after midnight. Low 15. Saturday..Mainly sunny. Fog patches dissipating in the morning. Wind becoming northeast 20 km/h late in the morning. High 26. Humidex 28. UV index 8 or very high. Barrie - Collingwood - Hillsdale. Today..Sunny. Becoming a mix of sun and cloud this afternoon. High 27. Humidex 32. UV index 8 or very high. Tonight..Clear. Fog patches developing after midnight. Low 16. Saturday..Sunny. Fog patches dissipating in the morning. High 26. Humidex 27. UV index 8 or very high. Midland - Coldwater - Orr Lake. Today..Mainly sunny. High 27. Humidex 32. UV index 8 or very high. Tonight..Clear. Fog patches developing after midnight. Low 16. Saturday..Sunny. Fog patches dissipating in the morning. High 26. Humidex 27. UV index 8 or very high. Orillia - Lagoon City - Washago. Today..Sunny. Becoming a mix of sun and cloud this afternoon. High 27. Humidex 32. UV index 8 or very high. Tonight..A few clouds. Fog patches developing after midnight. Low 16. Saturday..Sunny. Fog patches dissipating in the morning. High 26. Humidex 27. UV index 8 or very high. Cobourg - Colborne - Western Northumberland County. Today..Increasing cloudiness near noon. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 28. Humidex 33. UV index 8 or very high. Tonight..Mainly cloudy. 40 percent chance of showers this evening with risk of a thunderstorm. Low 18. Saturday..Sunny. High 28. Humidex 30. UV index 8 or very high. Belleville - Quinte West - Eastern Northumberland County. Today..Increasing cloudiness near noon. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 28. Humidex 33. UV index 8 or very high. Tonight..Mainly cloudy. 40 percent chance of showers this evening with risk of a thunderstorm. Low 18. Saturday..Sunny. High 28. Humidex 30. UV index 8 or very high. Picton - Sandbanks Park. Today..Mainly cloudy. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 28. Humidex 33. UV index 8 or very high. Tonight..Cloudy. 40 percent chance of showers this evening. Becoming partly cloudy overnight. Risk of a thunderstorm this evening. Low 18. Saturday..Sunny. High 28. Humidex 30. UV index 8 or very high. Napanee - Consecon. Today..Increasing cloudiness near noon. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 28. Humidex 33. UV index 8 or very high. Tonight..Cloudy. 40 percent chance of showers this evening. Becoming partly cloudy overnight. Risk of a thunderstorm this evening. Low 18. Saturday..Sunny. High 28. Humidex 30. UV index 8 or very high. Kingston - Odessa - Frontenac Islands. Today..Increasing cloudiness near noon. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 28. Humidex 33. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers this evening with risk of a thunderstorm. Low 18. Saturday..Sunny. High 28. Humidex 30. UV index 8 or very high. Lindsay - Southern Kawartha Lakes. Today..Increasing cloudiness late this morning. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 28. Humidex 36. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Clearing before morning. Low 16. Saturday..Sunny. High 27. Humidex 28. UV index 8 or very high. Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes. Today..Increasing cloudiness near noon. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 32. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Clearing overnight. Low 14. Saturday..Sunny. High 27. Humidex 28. UV index 8 or very high. Peterborough City - Lakefield - Southern Peterborough County. Today..Increasing cloudiness near noon. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 28. Humidex 36. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 16. Saturday..Sunny. High 27. Humidex 28. UV index 8 or very high. Apsley - Woodview - Northern Peterborough County. Today..Increasing cloudiness near noon. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 32. UV index 8 or very high. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Clearing overnight. Low 14. Saturday..Sunny. High 27. Humidex 28. UV index 8 or very high. Stirling - Tweed - Madoc. Today..Increasing cloudiness near noon. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 28. Humidex 33. UV index 8 or very high. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Clearing before morning. Low 16. Saturday..Sunny. High 27. Humidex 29. UV index 7 or high. Tamworth - Sydenham - South Frontenac. Today..Increasing cloudiness near noon. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 28. Humidex 33. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 16. Saturday..Sunny. High 27. Humidex 29. UV index 7 or high. Kaladar - Bannockburn - Bon Echo Park. Today..Increasing cloudiness near noon. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 31. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 15. Saturday..Sunny. High 26. Humidex 27. UV index 7 or high. Bancroft - Hastings Highlands - Denbigh. Today..Sunny early this afternoon then a mix of sun and cloud with 30 percent chance of showers this afternoon. Risk of a thunderstorm this afternoon. High 27. Humidex 32. UV index 8 or very high. Tonight..Clearing. Low 13. Saturday..Sunny. High 26. Humidex 27. UV index 7 or high. Gananoque - Mallorytown. Today..Increasing cloudiness near noon. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 28. Humidex 33. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 16. Saturday..Sunny. High 27. Humidex 29. UV index 7 or high. Brockville - Prescott. Today..A mix of sun and cloud. 40 percent chance of showers late this afternoon with risk of a thunderstorm. High 28. Humidex 34. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Low 16. Saturday..Sunny. High 27. Humidex 30. UV index 7 or high. Westport - Charleston Lake. Today..Increasing cloudiness near noon. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 28. Humidex 33. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 16. Saturday..Sunny. High 27. Humidex 29. UV index 7 or high. Merrickville-Wolford - Kemptville. Today..A mix of sun and cloud. 40 percent chance of showers late this afternoon with risk of a thunderstorm. High 28. Humidex 34. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Low 16. Saturday..Sunny. High 27. Humidex 30. UV index 7 or high. Ottawa North - Kanata - Orl‚ans. Today..A mix of sun and cloud. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 32. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Low 16. Saturday..Sunny. High 27. Humidex 29. UV index 7 or high. Ottawa South - Richmond - Metcalfe. Today..A mix of sun and cloud. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 32. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Low 16. Saturday..Sunny. High 27. Humidex 29. UV index 7 or high. Gatineau. Today..A mix of sun and cloud. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 32. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Low 16. Saturday..Sunny. High 27. Humidex 29. UV index 7 or high. Prescott and Russell. Today..A mix of sun and cloud. 40 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 32. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Low 16. Saturday..Sunny. High 27. Humidex 29. UV index 7 or high. Morrisburg - Long Sault. Today..A mix of sun and cloud. 40 percent chance of showers late this afternoon with risk of a thunderstorm. High 28. Humidex 34. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Low 16. Saturday..Sunny. High 27. Humidex 30. UV index 7 or high. Cornwall - Lancaster. Today..A mix of sun and cloud. 40 percent chance of showers late this afternoon with risk of a thunderstorm. High 28. Humidex 34. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Low 16. Saturday..Sunny. High 27. Humidex 30. UV index 7 or high. Winchester - Newington. Today..A mix of sun and cloud. 40 percent chance of showers late this afternoon with risk of a thunderstorm. High 28. Humidex 34. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Low 16. Saturday..Sunny. High 27. Humidex 30. UV index 7 or high. Maxville - Alexandria. Today..A mix of sun and cloud. 40 percent chance of showers late this afternoon with risk of a thunderstorm. High 28. Humidex 34. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this evening then clear. Risk of a thunderstorm early this evening. Low 16. Saturday..Sunny. High 27. Humidex 30. UV index 7 or high. Plevna - Sharbot Lake - Western Lanark County. Today..Sunny early this afternoon then a mix of sun and cloud with 40 percent chance of showers this afternoon. Risk of a thunderstorm this afternoon. High 27. Humidex 31. UV index 8 or very high. Tonight..Partly cloudy with 40 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Low 15. Saturday..Sunny. High 26. Humidex 27. UV index 7 or high. Smiths Falls - Perth - Eastern Lanark County. Today..Sunny near noon then a mix of sun and cloud with 40 percent chance of showers this afternoon. Risk of a thunderstorm this afternoon. High 27. Humidex 31. UV index 8 or very high. Tonight..Partly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Low 15. Saturday..Sunny. High 26. Humidex 27. UV index 7 or high. Port Carling - Port Severn. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers this afternoon. Risk of a thunderstorm this afternoon. High 27. Humidex 31. UV index 8 or very high. Tonight..Clear. Low 14. Saturday..Sunny. High 26. UV index 8 or very high. Bracebridge - Gravenhurst. Today..Increasing cloudiness near noon. 30 percent chance of showers this afternoon with risk of a thunderstorm. High 27. Humidex 31. UV index 8 or very high. Tonight..Clearing this evening. Low 14. Saturday..Sunny. High 26. UV index 8 or very high. Town of Parry Sound - Rosseau - Killbear Park. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers this afternoon. Risk of a thunderstorm this afternoon. High 27. Humidex 31. UV index 8 or very high. Tonight..Clear. Low 14. Saturday..Sunny. Becoming a mix of sun and cloud in the afternoon. High 26. UV index 8 or very high. Huntsville - Baysville. Today..Sunny near noon then a mix of sun and cloud with 30 percent chance of showers this afternoon. Risk of a thunderstorm this afternoon. High 27. Humidex 31. UV index 8 or very high. Tonight..Clear. Low 14. Saturday..Sunny. High 26. UV index 8 or very high. Haliburton - Minden - Southern Haliburton County. Today..Increasing cloudiness near noon. 30 percent chance of showers this afternoon with risk of a thunderstorm. High 26. Humidex 31. UV index 8 or very high. Tonight..Clearing late this evening. Low 13. Saturday..Sunny. High 26. Humidex 27. UV index 7 or high. Oxtongue Lake - Fort Irwin - Northern Haliburton County. Today..Increasing cloudiness near noon. 30 percent chance of showers this afternoon with risk of a thunderstorm. High 26. Humidex 31. UV index 8 or very high. Tonight..Clearing late this evening. Low 13. Saturday..Sunny. High 26. Humidex 27. UV index 7 or high. Continued in next message... --- up 14 hours, 26 minutes * Origin: Northern Realms (618:400/23) .