Subj : [1/2] Southern Ontario Weather To : All From : Northern Realms Date : Thu Jul 17 2025 11:05:00 FPCN11 CWTO 171500 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 11:00 a.m. EDT Thursday 17 July 2025 for today and Friday. The next scheduled forecast will be issued at 3:30 p.m. EDT. City of Toronto. Today..Cloudy. 60 percent chance of showers early this afternoon with risk of a thunderstorm. Wind west 30 km/h gusting to 50. High 29. Humidex 37. UV index 7 or high. Tonight..Cloudy. Clearing after midnight. Wind west 30 km/h gusting to 50 becoming light before morning. Low 15. Friday..Sunny. High 24. UV index 9 or very high. Windsor - Leamington - Essex County. Today..Cloudy. Wind west 30 km/h. High 27. Humidex 35. UV index 7 or high. Tonight..Mainly cloudy. Wind west 30 km/h becoming north 20 this evening then light overnight. Low 17. Friday..A mix of sun and cloud. High 26. Humidex 30. UV index 10 or very high. Chatham-Kent - Rondeau Park. Today..Cloudy with 30 percent chance of showers. Wind west 30 km/h. High 27. Humidex 35. UV index 7 or high. Tonight..Clearing. Wind north 30 km/h becoming light after midnight. Low 13. Friday..Sunny. High 26. Humidex 30. UV index 10 or very high. Sarnia - Petrolia - Western Lambton County. Today..Cloudy with 30 percent chance of showers. Wind west 30 km/h gusting to 50. High 26. Humidex 34. UV index 7 or high. Tonight..Mainly cloudy. Clearing after midnight. Wind north 30 km/h gusting to 50. Low 18. Friday..Sunny. High 25. Humidex 27. UV index 9 or very high. Watford - Pinery Park - Eastern Lambton County. Today..Cloudy with 30 percent chance of showers. Wind west 30 km/h gusting to 60. High 26. Humidex 34. UV index 7 or high. Tonight..Cloudy. Clearing after midnight. Wind west 30 km/h gusting to 60 becoming light late this evening. Low 12. Friday..Sunny. Wind north 20 km/h becoming light late in the morning. High 25. Humidex 27. UV index 9 or very high. Rodney - Shedden - Western Elgin County. Today..Cloudy with 30 percent chance of showers. Wind west 30 km/h gusting to 50. High 27. Humidex 34. UV index 7 or high. Tonight..Clearing. Fog patches developing before morning. Wind north 20 km/h gusting to 40 becoming light this evening. Low 12. Friday..Sunny. Fog patches dissipating early in the morning. High 24. Humidex 26. UV index 9 or very high. St. Thomas - Aylmer - Eastern Elgin County. Today..Cloudy with 30 percent chance of showers. Wind southwest 30 km/h gusting to 50 becoming northwest 20 gusting to 40 early this afternoon. High 27. Humidex 34. UV index 7 or high. Tonight..Mainly cloudy. Clearing after midnight. Fog patches developing before morning. Wind northwest 20 km/h gusting to 40 becoming light late this evening. Low 12. Friday..Sunny. Fog patches dissipating early in the morning. Wind northeast 20 km/h becoming light in the morning. High 24. Humidex 26. UV index 9 or very high. Strathroy - Komoka - Western Middlesex County. Today..Cloudy with 30 percent chance of showers. Wind west 30 km/h gusting to 50 becoming north 20 gusting to 40 late this afternoon. High 25. Humidex 32. UV index 7 or high. Tonight..Mainly cloudy. Clearing after midnight. Fog patches developing before morning. Wind north 20 km/h becoming light near midnight. Low 11. Friday..Sunny. Fog patches dissipating early in the morning. High 24. Humidex 25. UV index 9 or very high. London - Parkhill - Eastern Middlesex County. Today..Cloudy with 30 percent chance of showers. Wind northwest 30 km/h gusting to 50. High 25. Humidex 32. UV index 7 or high. Tonight..Mainly cloudy. Clearing after midnight. Fog patches developing before morning. Wind northwest 20 km/h gusting to 40 becoming light late this evening. Low 11. Friday..Sunny. Fog patches dissipating early in the morning. High 24. Humidex 25. UV index 9 or very high. Simcoe - Delhi - Norfolk. Today..Cloudy with 30 percent chance of showers. Wind west 30 km/h gusting to 60. High 27. Humidex 34. UV index 7 or high. Tonight..Mainly cloudy. Clearing after midnight. Fog patches developing before morning. Wind northwest 20 km/h gusting to 40 becoming light late this evening. Low 12. Friday..Sunny. Fog patches dissipating early in the morning. Wind northeast 20 km/h becoming light late in the morning. High 25. Humidex 27. UV index 9 or very high. Dunnville - Caledonia - Haldimand. Today..Cloudy. 60 percent chance of showers early this afternoon with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50. High 27. Humidex 35. UV index 7 or high. Tonight..Cloudy. Clearing after midnight. Wind northwest 20 km/h gusting to 40 becoming light late this evening. Low 13. Friday..Sunny. High 24. Humidex 26. UV index 9 or very high. Woodstock - Tillsonburg - Oxford County. Today..Cloudy with 30 percent chance of showers. Wind southwest 30 km/h gusting to 50 becoming northwest 30 gusting to 50 early this afternoon. High 27. Humidex 35. UV index 7 or high. Tonight..Mainly cloudy. Clearing after midnight. Fog patches developing before morning. Wind northwest 30 km/h gusting to 50 becoming light near midnight. Low 11. Friday..Sunny. Fog patches dissipating early in the morning. Wind northeast 20 km/h becoming light late in the morning. High 24. UV index 9 or very high. Brantford - County of Brant. Today..Cloudy. 60 percent chance of showers early this afternoon with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50. High 27. Humidex 35. UV index 7 or high. Tonight..Mainly cloudy. Clearing after midnight. Wind northwest 30 km/h gusting to 50 becoming light near midnight. Low 11. Friday..Sunny. High 24. UV index 9 or very high. Niagara Falls - Welland - Southern Niagara Region. Today..Cloudy. 60 percent chance of showers early this afternoon with risk of a thunderstorm. Wind southwest 30 km/h gusting to 60. High 27. Humidex 35. UV index 7 or high. Tonight..Cloudy. Becoming partly cloudy after midnight. Wind southwest 30 km/h gusting to 60 becoming northwest 20 gusting to 40 then light this evening. Low 16. Friday..Sunny. Wind northeast 20 km/h becoming light late in the morning. High 23. Humidex 26. UV index 9 or very high. St. Catharines - Grimsby - Northern Niagara Region. Today..Cloudy. 60 percent chance of showers early this afternoon with risk of a thunderstorm. Wind southwest 30 km/h gusting to 60. High 28. Humidex 37. UV index 7 or high. Tonight..Cloudy. Clearing before morning. Wind southwest 30 km/h gusting to 60 becoming northwest 20 gusting to 40 this evening then light overnight. Low 17. Friday..Sunny. Wind north 20 km/h becoming light in the morning. High 23. Humidex 26. UV index 9 or very high. City of Hamilton. Today..Cloudy. 60 percent chance of showers early this afternoon with risk of a thunderstorm. Wind southwest 30 km/h gusting to 60. High 27. Humidex 35. UV index 7 or high. Tonight..Cloudy. Clearing after midnight. Wind southwest 30 km/h gusting to 60 becoming northwest 20 gusting to 40 early this evening then light near midnight. Low 14. Friday..Sunny. High 23. UV index 9 or very high. Burlington - Oakville. Today..Cloudy. 60 percent chance of showers early this afternoon with risk of a thunderstorm. Wind southwest 30 km/h gusting to 60. High 29. Humidex 37. UV index 7 or high. Tonight..Cloudy. Clearing after midnight. Wind northwest 20 km/h gusting to 40 becoming light near midnight. Low 15. Friday..Sunny. High 23. UV index 9 or very high. Halton Hills - Milton. Today..Cloudy. 60 percent chance of showers early this afternoon with risk of a thunderstorm. Wind southwest 30 km/h gusting to 60 becoming northwest 20 gusting to 40 late this afternoon. High 28. Humidex 36. UV index 7 or high. Tonight..Cloudy. Clearing near midnight. Wind northwest 20 km/h gusting to 40 becoming light after midnight. Low 13. Friday..Sunny. High 24. Humidex 25. UV index 9 or very high. Mississauga - Brampton. Today..Cloudy. 60 percent chance of showers early this afternoon with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50 becoming northwest 30 gusting to 50 this afternoon. High 28. Humidex 36. UV index 7 or high. Tonight..Cloudy. Clearing after midnight. Wind northwest 30 km/h gusting to 50. Low 14. Friday..Sunny. High 24. Humidex 25. UV index 9 or very high. Caledon. Today..Cloudy. 30 percent chance of showers near noon. Wind southwest 30 km/h gusting to 60 becoming northwest 30 gusting to 50 early this afternoon. High 26. Humidex 32. UV index 6 or high. Tonight..Cloudy. Clearing near midnight. Fog patches developing before morning. Wind northwest 30 km/h gusting to 50 becoming light overnight. Low 12. Friday..Sunny. Becoming a mix of sun and cloud late in the morning. Fog patches dissipating early in the morning. High 23. Humidex 25. UV index 9 or very high. Vaughan - Richmond Hill - Markham. Today..Cloudy. 60 percent chance of showers early this afternoon with risk of a thunderstorm. Wind west 30 km/h gusting to 50. High 28. Humidex 36. UV index 7 or high. Tonight..Cloudy. Clearing after midnight. Wind west 30 km/h gusting to 50 becoming light near midnight. Low 12. Friday..Sunny. High 24. Humidex 26. UV index 9 or very high. Newmarket - Georgina - Northern York Region. Today..A few showers ending early this afternoon then cloudy. Risk of a thunderstorm near noon. Wind west 40 km/h gusting to 60. High 28. Humidex 36. UV index 6 or high. Tonight..Cloudy. Clearing after midnight. Wind west 40 km/h gusting to 60 becoming northwest 20 late this evening then light after midnight. Low 12. Friday..Sunny. Becoming a mix of sun and cloud near noon. High 25. UV index 9 or very high. Pickering - Oshawa - Southern Durham Region. Today..Cloudy. 60 percent chance of showers early this afternoon with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40 becoming northwest 30 gusting to 60 early this afternoon. High 28. Humidex 36. UV index 7 or high. Tonight..Cloudy. Clearing after midnight. Wind northwest 30 km/h gusting to 60 becoming light after midnight. Low 12. Friday..Sunny. High 23. Humidex 25. UV index 9 or very high. Uxbridge - Beaverton - Northern Durham Region. Today..A few showers ending early this afternoon then cloudy. Risk of a thunderstorm near noon. Wind northwest 30 km/h gusting to 50. High 28. Humidex 36. UV index 6 or high. Tonight..Cloudy. Clearing after midnight. Wind northwest 30 km/h gusting to 50 becoming light before morning. Low 12. Friday..Mainly sunny. High 24. UV index 9 or very high. Goderich - Bluewater - Southern Huron County. Today..Cloudy with 30 percent chance of showers. Wind northwest 40 km/h gusting to 60. Temperature steady near 20. Humidex 29. UV index 4 or moderate. Tonight..Cloudy. 30 percent chance of showers early this evening. Clearing near midnight. Fog patches developing before morning. Wind northwest 40 km/h gusting to 60 becoming light before morning. Low 11. Friday..Sunny. Fog patches dissipating in the morning. High 25. Humidex 26. UV index 9 or very high. Wingham - Blyth - Northern Huron County. Today..Cloudy with 30 percent chance of showers. Wind northwest 20 km/h gusting to 40. Temperature steady near 20. Humidex 29. UV index 4 or moderate. Tonight..Cloudy. 30 percent chance of showers early this evening. Clearing near midnight. Fog patches developing before morning. Wind northwest 20 km/h becoming light late this evening. Low 11. Friday..Sunny. Fog patches dissipating in the morning. High 25. Humidex 26. UV index 9 or very high. Stratford - Mitchell - Southern Perth County. Today..Cloudy with 30 percent chance of showers. Wind west 30 km/h gusting to 50. Temperature steady near 20. Humidex 29. UV index 6 or high. Tonight..Cloudy. 30 percent chance of showers early this evening. Clearing near midnight. Fog patches developing before morning. Wind northwest 20 km/h gusting to 40 becoming light late this evening. Low 11. Friday..Sunny. Fog patches dissipating in the morning. High 24. Humidex 26. UV index 9 or very high. Listowel - Milverton - Northern Perth County. Today..Cloudy with 30 percent chance of showers. Wind northwest 20 km/h gusting to 40. Temperature steady near 20. Humidex 29. UV index 4 or moderate. Tonight..Cloudy. 30 percent chance of showers early this evening. Clearing near midnight. Fog patches developing before morning. Wind northwest 20 km/h becoming light this evening. Low 11. Friday..Sunny. Fog patches dissipating in the morning. High 24. Humidex 26. UV index 9 or very high. Kitchener - Cambridge - Region of Waterloo. Today..Cloudy. 30 percent chance of showers near noon. Wind southwest 30 km/h gusting to 50 becoming northwest 30 gusting to 50 this afternoon. High 27. Humidex 34. UV index 6 or high. Tonight..Cloudy. Clearing late this evening. Fog patches developing before morning. Wind northwest 30 km/h gusting to 50 becoming light near midnight. Low 12. Friday..Sunny. Fog patches dissipating early in the morning. High 23. UV index 9 or very high. Guelph - Erin - Southern Wellington County. Today..Cloudy. 30 percent chance of showers near noon. Wind west 30 km/h gusting to 50. High 26. Humidex 34. UV index 6 or high. Tonight..Cloudy. Clearing near midnight. Fog patches developing before morning. Wind west 30 km/h gusting to 50 becoming light near midnight. Low 12. Friday..Sunny. Fog patches dissipating early in the morning. High 23. UV index 9 or very high. Mount Forest - Arthur - Northern Wellington County. Today..Cloudy. 30 percent chance of showers near noon. Wind west 20 km/h gusting to 40. Temperature steady near 20. Humidex 29. UV index 4 or moderate. Tonight..Cloudy. Clearing late this evening. Fog patches developing before morning. Wind northwest 20 km/h becoming light after midnight. Low 11. Friday..Sunny. Becoming a mix of sun and cloud late in the morning. Fog patches dissipating early in the morning. High 24. Humidex 26. UV index 9 or very high. Orangeville - Grand Valley - Southern Dufferin County. Today..Cloudy. 30 percent chance of showers near noon. Wind southwest 20 km/h gusting to 60 becoming northwest 30 gusting to 50 early this afternoon. High 24. Humidex 31. UV index 6 or high. Tonight..Cloudy. Clearing after midnight. Fog patches developing before morning. Wind northwest 20 km/h gusting to 40 becoming light late this evening. Low 9. Friday..Sunny. Becoming a mix of sun and cloud late in the morning. Fog patches dissipating early in the morning. High 25. Humidex 28. UV index 9 or very high. Shelburne - Mansfield - Northern Dufferin County. Today..Cloudy. 30 percent chance of showers near noon. Wind west 30 km/h gusting to 50. High 24. Humidex 31. UV index 6 or high. Tonight..Cloudy. Clearing near midnight. Fog patches developing before morning. Wind west 30 km/h gusting to 50 becoming light late this evening. Low 9. Friday..Sunny. Becoming a mix of sun and cloud late in the morning. Fog patches dissipating early in the morning. High 25. Humidex 28. UV index 9 or very high. Innisfil - New Tecumseth - Angus. Today..A few showers ending early this afternoon then cloudy. Risk of a thunderstorm near noon. Wind west 30 km/h gusting to 50. High 26. Humidex 32. UV index 6 or high. Tonight..Cloudy. Clearing near midnight. Wind west 30 km/h gusting to 50 becoming light after midnight. Low 9. Friday..Sunny. Becoming a mix of sun and cloud late in the morning. High 25. Humidex 28. UV index 9 or very high. Saugeen Shores - Kincardine - Southern Bruce County. Today..Cloudy with 30 percent chance of showers. Wind northwest 30 km/h gusting to 50. Temperature steady near 19. Humidex 26. UV index 4 or moderate. Tonight..Cloudy with 30 percent chance of showers early this evening. Clearing late this evening. Wind northwest 30 km/h gusting to 50 becoming light late this evening. Low 12. Friday..Sunny. High 21. UV index 8 or very high. Bruce Peninsula - Sauble Beach - Tobermory. Today..Cloudy with 30 percent chance of showers. Wind northwest 20 km/h gusting to 40. Temperature steady near 18. UV index 4 or moderate. Tonight..Partly cloudy with 30 percent chance of showers early this evening. Otherwise clear. Wind north 20 km/h becoming light this evening. Low 13. Friday..Sunny. High 22. Humidex 25. UV index 8 or very high. Hanover - Dundalk - Southern Grey County. Today..Cloudy with 30 percent chance of showers. Wind west 20 km/h gusting to 40. High 22. Humidex 30. UV index 4 or moderate. Tonight..Cloudy with 30 percent chance of showers early this evening. Clearing late this evening. Wind northwest 20 km/h becoming light this evening. Low 10. Friday..Sunny. Becoming a mix of sun and cloud late in the morning. High 24. UV index 9 or very high. Owen Sound - Blue Mountains - Northern Grey County. Today..Cloudy with 30 percent chance of showers. Wind northwest 30 km/h. High 22. Humidex 30. UV index 4 or moderate. Tonight..Mainly cloudy with 30 percent chance of showers early this evening. Clearing this evening. Wind northwest 30 km/h becoming light after midnight. Low 11. Friday..Sunny. High 21. UV index 8 or very high. Barrie - Collingwood - Hillsdale. Today..Cloudy. 40 percent chance of showers early this afternoon with risk of a thunderstorm. Wind west 30 km/h gusting to 60. High 25. Humidex 34. UV index 6 or high. Tonight..Cloudy. Clearing near midnight. Wind west 30 km/h gusting to 60 becoming north 20 then light near midnight. Low 10. Friday..Mainly sunny. High 24. Humidex 26. UV index 8 or very high. Midland - Coldwater - Orr Lake. Today..Cloudy. 40 percent chance of showers early this afternoon with risk of a thunderstorm. Wind northwest 30 km/h gusting to 50. High 24. Humidex 32. UV index 6 or high. Tonight..Cloudy. Clearing late this evening. Wind northwest 30 km/h gusting to 50. Low 17. Friday..Sunny. Wind north 30 km/h becoming light near noon. High 23. Humidex 26. UV index 8 or very high. Orillia - Lagoon City - Washago. Today..Cloudy. 40 percent chance of showers early this afternoon with risk of a thunderstorm. Wind west 40 km/h gusting to 60. High 24. Humidex 32. UV index 6 or high. Tonight..Cloudy. Clearing after midnight. Wind west 40 km/h gusting to 60. Low 17. Friday..Mainly sunny. Wind northwest 30 km/h becoming light in the morning. High 23. Humidex 26. UV index 8 or very high. Cobourg - Colborne - Western Northumberland County. Today..A few showers ending this afternoon then mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm. Wind southwest 40 km/h gusting to 60. High 28. Humidex 37. UV index 5 or moderate. Tonight..Cloudy. Clearing before morning. Wind northwest 30 km/h gusting to 50 becoming light overnight. Low 14. Friday..Sunny. Wind becoming southwest 20 km/h early in the afternoon. High 24. Humidex 26. UV index 9 or very high. Belleville - Quinte West - Eastern Northumberland County. Today..A few showers ending this afternoon then mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm. Wind southwest 40 km/h gusting to 60. High 28. Humidex 37. UV index 5 or moderate. Tonight..Cloudy. Clearing before morning. Wind northwest 30 km/h gusting to 50 becoming light overnight. Low 14. Friday..Sunny. Wind becoming southwest 20 km/h early in the afternoon. High 24. Humidex 26. UV index 9 or very high. Picton - Sandbanks Park. Today..A few showers ending this afternoon then mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm. Wind southwest 40 km/h gusting to 60. High 28. Humidex 37. UV index 5 or moderate. Tonight..Cloudy. Clearing before morning. Wind northwest 30 km/h gusting to 50 becoming light overnight. Low 14. Friday..Sunny. Wind becoming southwest 20 km/h early in the afternoon. High 24. Humidex 26. UV index 9 or very high. Napanee - Consecon. Today..A few showers ending this afternoon then mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm. Wind southwest 40 km/h gusting to 60. High 28. Humidex 37. UV index 5 or moderate. Tonight..Cloudy. Clearing before morning. Wind northwest 30 km/h gusting to 50 becoming light overnight. Low 14. Friday..Sunny. Wind becoming southwest 20 km/h early in the afternoon. High 24. Humidex 26. UV index 9 or very high. Kingston - Odessa - Frontenac Islands. Today..A few showers ending this afternoon then cloudy with 40 percent chance of showers. Risk of a thunderstorm. Wind southwest 30 km/h gusting to 50. High 28. Humidex 39. UV index 5 or moderate. Tonight..Cloudy. Clearing before morning. Wind southwest 30 km/h gusting to 50 becoming northwest 20 gusting to 40 this evening then light before morning. Low 14. Friday..Sunny. High 22. Humidex 25. UV index 8 or very high. Lindsay - Southern Kawartha Lakes. Today..A few showers ending this afternoon then cloudy with 40 percent chance of showers. Risk of a thunderstorm. Wind west 30 km/h gusting to 60. High 26. Humidex 35. UV index 5 or moderate. Tonight..Cloudy. Clearing after midnight. Wind west 30 km/h gusting to 60. Low 12. Friday..Sunny. High 25. Humidex 27. UV index 8 or very high. Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes. Today..A few showers ending this afternoon then cloudy with 30 percent chance of showers. Risk of a thunderstorm. Wind west 30 km/h gusting to 50. High 24. Humidex 33. UV index 5 or moderate. Tonight..Cloudy. Clearing after midnight. Wind west 30 km/h gusting to 50 becoming light after midnight. Low 12. Friday..Sunny. Becoming a mix of sun and cloud in the afternoon. High 24. Humidex 26. UV index 8 or very high. Peterborough City - Lakefield - Southern Peterborough County. Today..A few showers ending this afternoon then cloudy with 40 percent chance of showers. Risk of a thunderstorm. Wind west 30 km/h gusting to 60. High 26. Humidex 35. UV index 5 or moderate. Tonight..Cloudy. Clearing after midnight. Wind west 30 km/h gusting to 60. Low 9. Friday..Sunny. High 25. Humidex 27. UV index 8 or very high. Apsley - Woodview - Northern Peterborough County. Today..A few showers ending this afternoon then cloudy with 30 percent chance of showers. Risk of a thunderstorm. Wind southwest 20 km/h becoming northwest 30 gusting to 50 early this afternoon. High 26. Humidex 35. UV index 5 or moderate. Tonight..Cloudy. Clearing after midnight. Wind northwest 30 km/h gusting to 50 becoming light after midnight. Low 9. Friday..Sunny. Increasing cloudiness near noon. High 24. Humidex 26. UV index 8 or very high. Stirling - Tweed - Madoc. Today..A few showers ending this afternoon then cloudy with 40 percent chance of showers. Risk of a thunderstorm. Wind west 30 km/h gusting to 50. High 28. Humidex 39. UV index 5 or moderate. Tonight..Cloudy. Clearing after midnight. Wind west 30 km/h gusting to 50 becoming light after midnight. Low 12. Friday..Sunny. Increasing cloudiness near noon. High 25. Humidex 26. UV index 8 or very high. Tamworth - Sydenham - South Frontenac. Today..A few showers ending this afternoon then cloudy with 40 percent chance of showers. Risk of a thunderstorm. Wind southwest 30 km/h gusting to 60. High 28. Humidex 39. UV index 5 or moderate. Tonight..Cloudy. Clearing before morning. Wind west 30 km/h gusting to 50 becoming light overnight. Low 12. Friday..Sunny. Becoming a mix of sun and cloud in the afternoon. High 24. Humidex 26. UV index 8 or very high. Kaladar - Bannockburn - Bon Echo Park. Today..A few showers ending this afternoon then cloudy with 30 percent chance of showers. Risk of a thunderstorm. Wind west 30 km/h gusting to 50. High 27. Humidex 36. UV index 5 or moderate. Tonight..Cloudy. Clearing before morning. Wind west 30 km/h gusting to 50. Low 7. Friday..Sunny. Increasing cloudiness early in the afternoon. High 24. UV index 8 or very high. Bancroft - Hastings Highlands - Denbigh. Today..Showers ending this afternoon then cloudy with 40 percent chance of showers. Risk of a thunderstorm. Local amount 20 to 30 mm. Wind northwest 30 km/h gusting to 50. High 27. Humidex 36. UV index 4 or moderate. Tonight..Cloudy. 30 percent chance of showers early this evening. Clearing overnight. Wind northwest 30 km/h gusting to 50 becoming light after midnight. Low 7. Friday..Sunny. Increasing cloudiness late in the morning. Wind northwest 20 km/h becoming light in the morning. High 24. UV index 8 or very high. Gananoque - Mallorytown. Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm. Wind southwest 40 km/h gusting to 60. High 29. Humidex 39. UV index 4 or moderate. Tonight..Cloudy. 40 percent chance of showers early this evening. Becoming partly cloudy overnight. Risk of a thunderstorm early this evening. Wind northwest 20 km/h gusting to 40 becoming light before morning. Low 13. Friday..Sunny. High 24. Humidex 26. UV index 9 or very high. Brockville - Prescott. Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm. Wind southwest 40 km/h gusting to 60 becoming west 20 gusting to 40 late this afternoon. High 29. Humidex 39. UV index 4 or moderate. Tonight..Cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Wind northwest 20 km/h gusting to 40 becoming light before morning. Low 13. Friday..Sunny. High 24. Humidex 26. UV index 9 or very high. Westport - Charleston Lake. Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm. Wind west 30 km/h gusting to 50. High 29. Humidex 39. UV index 4 or moderate. Tonight..Cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Clearing before morning. Wind west 30 km/h gusting to 50 becoming light before morning. Low 13. Friday..Sunny. Becoming a mix of sun and cloud in the afternoon. High 25. UV index 9 or very high. Merrickville-Wolford - Kemptville. Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm. Wind southwest 30 km/h gusting to 50. High 29. Humidex 39. UV index 4 or moderate. Tonight..Mainly cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Wind northwest 30 km/h gusting to 50 becoming light before morning. Low 13. Friday..Sunny. Wind becoming west 20 km/h in the afternoon. High 25. UV index 9 or very high. Ottawa North - Kanata - Orl‚ans. Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm. Wind west 30 km/h gusting to 60. High 29. Humidex 39. UV index 4 or moderate. Tonight..Cloudy. 40 percent chance of showers early this evening. Becoming partly cloudy overnight. Risk of a thunderstorm early this evening. Wind west 30 km/h gusting to 60 becoming light before morning. Low 12. Friday..Sunny. Wind becoming west 20 km/h in the afternoon. High 24. Humidex 26. UV index 8 or very high. Ottawa South - Richmond - Metcalfe. Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm. Wind west 30 km/h gusting to 60. High 29. Humidex 39. UV index 4 or moderate. Tonight..Cloudy. 40 percent chance of showers early this evening. Becoming partly cloudy overnight. Risk of a thunderstorm early this evening. Wind west 30 km/h gusting to 60 becoming light before morning. Low 12. Friday..Sunny. Wind becoming west 20 km/h in the afternoon. High 24. Humidex 26. UV index 8 or very high. Gatineau. Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm. Wind becoming southwest 30 km/h gusting to 50 early this afternoon. High 29. Humidex 40. UV index 4 or moderate. Tonight..Cloudy. 40 percent chance of showers early this evening. Becoming partly cloudy before morning. Risk of a thunderstorm early this evening. Wind west 30 km/h gusting to 50. Low 12. Friday..Sunny. Becoming a mix of sun and cloud in the afternoon. Wind becoming southwest 20 km/h in the afternoon. High 24. Humidex 26. UV index 8 or very high. Prescott and Russell. Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm. Wind west 40 km/h gusting to 60. High 29. Humidex 39. UV index 4 or moderate. Tonight..Cloudy. 40 percent chance of showers early this evening. Becoming partly cloudy before morning. Risk of a thunderstorm early this evening. Wind west 40 km/h gusting to 60 becoming northwest 20 gusting to 40 this evening then light before morning. Low 13. Friday..Sunny. Wind becoming west 20 km/h late in the afternoon. High 24. Humidex 26. UV index 8 or very high. Morrisburg - Long Sault. Today..Showers with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50. High 29. Humidex 39. UV index 4 or moderate. Tonight..Cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Wind northwest 30 km/h gusting to 50. Low 12. Friday..Sunny. High 24. Humidex 26. UV index 8 or very high. Cornwall - Lancaster. Today..Showers with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50. High 29. Humidex 39. UV index 4 or moderate. Tonight..Cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50 becoming northwest 30 overnight. Low 13. Friday..Clearing in the morning. Wind northwest 30 km/h becoming light early in the afternoon. High 24. Humidex 26. UV index 8 or very high. Winchester - Newington. Today..Showers with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50. High 29. Humidex 39. UV index 4 or moderate. Tonight..Cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Wind west 30 km/h gusting to 50 becoming light before morning. Low 12. Friday..Sunny. High 24. Humidex 26. UV index 8 or very high. Maxville - Alexandria. Today..Showers with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50. High 29. Humidex 39. UV index 4 or moderate. Tonight..Cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Wind west 30 km/h gusting to 50 becoming light before morning. Low 12. Friday..Sunny. Wind becoming west 20 km/h late in the afternoon. High 24. Humidex 26. UV index 8 or very high. Plevna - Sharbot Lake - Western Lanark County. Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm. Wind west 30 km/h gusting to 50. High 27. Humidex 36. UV index 4 or moderate. Tonight..Cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Clearing overnight. Wind west 30 km/h gusting to 50 becoming light after midnight. Low 10. Friday..Sunny. Increasing cloudiness early in the afternoon. High 24. UV index 8 or very high. Smiths Falls - Perth - Eastern Lanark County. Today..Showers with risk of a thunderstorm. Local amount 10 to 20 mm. Wind southwest 20 km/h gusting to 40. High 28. Humidex 39. UV index 4 or moderate. Tonight..Cloudy. 40 percent chance of showers early this evening with risk of a thunderstorm. Clearing before morning. Wind northwest 30 km/h gusting to 50 becoming light before morning. Low 10. Friday..Sunny. Becoming a mix of sun and cloud in the afternoon. Wind becoming west 20 km/h in the afternoon. High 24. UV index 8 or very high. Port Carling - Port Severn. Today..Showers ending near noon then cloudy with 40 percent chance of showers. Risk of a thunderstorm early this afternoon. Wind northwest 40 km/h gusting to 60. High 24. Humidex 32. UV index 6 or high. Tonight..Clearing. Wind northwest 40 km/h gusting to 60. Low 13. Friday..Sunny. Wind north 30 km/h becoming light early in the morning. High 23. UV index 8 or very high. Continued in next message... --- up 1 day, 12 hours, 51 minutes * Origin: Northern Realms (1:229/664) .