Subj : [1/2] Southern Ontario Weather To : All From : Northern Realms Date : Mon Sep 22 2025 15:35:00 FPCN11 CWTO 221930 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 3:30 p.m. EDT Monday 22 September 2025 for tonight Tuesday and Tuesday night. The next scheduled forecast will be issued at 5:00 a.m. EDT Tuesday. City of Toronto. Tonight..Cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Wind southwest 20 km/h becoming light early this evening. Low 17. Tuesday..Cloudy. 40 percent chance of showers in the afternoon. Risk of a thunderstorm late in the afternoon. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening. Low 10. Windsor - Leamington - Essex County. Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h gusting to 40. Low 17. Tuesday..Mainly cloudy. 60 percent chance of showers late in the afternoon with risk of a thunderstorm. High 24. Humidex 28. UV index 6 or high. Tuesday night..Cloudy with 60 percent chance of showers. Risk of a thunderstorm in the evening. Low 9. Chatham-Kent - Rondeau Park. Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h gusting to 40. Low 17. Tuesday..Mainly cloudy. 60 percent chance of showers late in the afternoon with risk of a thunderstorm. High 24. Humidex 28. UV index 5 or moderate. Tuesday night..Cloudy with 60 percent chance of showers. Risk of a thunderstorm in the evening. Low 9. Sarnia - Petrolia - Western Lambton County. Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h gusting to 40. Low 17. Tuesday..Cloudy. 60 percent chance of showers late in the afternoon with risk of a thunderstorm. High 24. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy with 60 percent chance of showers. Risk of a thunderstorm in the evening. Low 9. Watford - Pinery Park - Eastern Lambton County. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h gusting to 40. Low 17. Tuesday..Mainly cloudy. 60 percent chance of showers late in the afternoon with risk of a thunderstorm. High 24. Humidex 28. UV index 5 or moderate. Tuesday night..Cloudy with 60 percent chance of showers. Risk of a thunderstorm in the evening. Low 9. Rodney - Shedden - Western Elgin County. Tonight..Mainly cloudy. 70 percent chance of showers changing to 30 percent chance of showers this evening. Risk of a thunderstorm early this evening. Wind southwest 20 km/h gusting to 40. Low 16. Tuesday..Mainly cloudy. 60 percent chance of showers late in the afternoon with risk of a thunderstorm. High 23. Humidex 27. UV index 5 or moderate. Tuesday night..Mainly cloudy with 60 percent chance of showers. Risk of a thunderstorm in the evening and after midnight. Low 9. St. Thomas - Aylmer - Eastern Elgin County. Tonight..Mainly cloudy. 70 percent chance of showers changing to 30 percent chance of showers this evening. Risk of a thunderstorm early this evening. Wind southwest 20 km/h gusting to 40. Low 16. Tuesday..Mainly cloudy. 60 percent chance of showers late in the afternoon with risk of a thunderstorm. High 23. Humidex 27. UV index 5 or moderate. Tuesday night..Mainly cloudy with 60 percent chance of showers. Risk of a thunderstorm in the evening and after midnight. Low 9. Strathroy - Komoka - Western Middlesex County. Tonight..Mainly cloudy. 70 percent chance of showers changing to 30 percent chance of showers this evening. Risk of a thunderstorm early this evening. Wind southwest 20 km/h gusting to 40. Low 16. Tuesday..Cloudy. 60 percent chance of showers late in the afternoon with risk of a thunderstorm. High 23. Humidex 27. UV index 4 or moderate. Tuesday night..Cloudy with 60 percent chance of showers. Risk of a thunderstorm in the evening and after midnight. Low 9. London - Parkhill - Eastern Middlesex County. Tonight..Cloudy. 70 percent chance of showers changing to 30 percent chance of showers this evening. Risk of a thunderstorm early this evening. Wind southwest 20 km/h gusting to 40. Low 16. Tuesday..Cloudy. 60 percent chance of showers late in the afternoon with risk of a thunderstorm. High 23. Humidex 27. UV index 4 or moderate. Tuesday night..Cloudy with 60 percent chance of showers. Risk of a thunderstorm in the evening and after midnight. Low 9. Simcoe - Delhi - Norfolk. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h gusting to 40. Low 17. Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening and after midnight. Low 10. Dunnville - Caledonia - Haldimand. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h gusting to 40. Low 17. Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening and after midnight. Low 10. Woodstock - Tillsonburg - Oxford County. Tonight..Cloudy. 70 percent chance of showers changing to 30 percent chance of showers this evening. Risk of a thunderstorm early this evening. Wind southwest 20 km/h gusting to 40. Low 16. Tuesday..Cloudy. 60 percent chance of showers late in the afternoon with risk of a thunderstorm. High 23. Humidex 27. UV index 4 or moderate. Tuesday night..Cloudy with 60 percent chance of showers. Risk of a thunderstorm in the evening and after midnight. Low 9. Brantford - County of Brant. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h gusting to 40. Low 17. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening and after midnight. Low 10. Niagara Falls - Welland - Southern Niagara Region. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h gusting to 40. Low 17. Tuesday..Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm late in the afternoon. High 22. Humidex 27. UV index 5 or moderate. Tuesday night..Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening and after midnight. Low 10. St. Catharines - Grimsby - Northern Niagara Region. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h gusting to 40. Low 17. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm late in the afternoon. High 22. Humidex 27. UV index 5 or moderate. Tuesday night..Partly cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening and after midnight. Low 10. City of Hamilton. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h gusting to 40. Low 17. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening and after midnight. Low 10. Burlington - Oakville. Tonight..Mainly cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Wind southwest 20 km/h becoming light early this evening. Low 17. Tuesday..Cloudy. 40 percent chance of showers in the afternoon. Risk of a thunderstorm late in the afternoon. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening. Low 10. Halton Hills - Milton. Tonight..Cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Wind southwest 20 km/h becoming light early this evening. Low 17. Tuesday..Cloudy. 40 percent chance of showers in the afternoon. Risk of a thunderstorm late in the afternoon. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening. Low 10. Mississauga - Brampton. Tonight..Cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Wind southwest 20 km/h becoming light early this evening. Low 17. Tuesday..Cloudy. 40 percent chance of showers in the afternoon. Risk of a thunderstorm late in the afternoon. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening. Low 10. Caledon. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind west 20 km/h becoming light early this evening. Low 15. Tuesday..Cloudy. 40 percent chance of showers late in the afternoon with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening. Low 10. Vaughan - Richmond Hill - Markham. Tonight..Cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Wind southwest 20 km/h becoming light early this evening. Low 17. Tuesday..Cloudy. 40 percent chance of showers in the afternoon. Risk of a thunderstorm late in the afternoon. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening. Low 10. Newmarket - Georgina - Northern York Region. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light early this evening. Low 16. Tuesday..Cloudy. 60 percent chance of showers late in the afternoon with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy with 60 percent chance of showers. Risk of a thunderstorm in the evening. Low 9. Pickering - Oshawa - Southern Durham Region. Tonight..Cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Wind southwest 20 km/h becoming light early this evening. Low 17. Tuesday..Cloudy. 40 percent chance of showers in the afternoon. Risk of a thunderstorm late in the afternoon. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening. Low 10. Uxbridge - Beaverton - Northern Durham Region. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light early this evening. Low 16. Tuesday..Cloudy. 60 percent chance of showers late in the afternoon with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy with 60 percent chance of showers. Risk of a thunderstorm in the evening. Low 9. Goderich - Bluewater - Southern Huron County. Tonight..Mainly cloudy with 70 percent chance of showers. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light early this evening. Low 15. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon. High 23. Humidex 27. UV index 4 or moderate. Tuesday night..Cloudy with 60 percent chance of showers and risk of a thunderstorm. Low 9. Wingham - Blyth - Northern Huron County. Tonight..Cloudy with 70 percent chance of showers. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light early this evening. Low 15. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon. High 23. Humidex 27. UV index 4 or moderate. Tuesday night..Cloudy with 60 percent chance of showers and risk of a thunderstorm. Low 9. Stratford - Mitchell - Southern Perth County. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind west 20 km/h becoming light early this evening. Low 15. Tuesday..Cloudy. 40 percent chance of showers late in the afternoon with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening. Low 10. Listowel - Milverton - Northern Perth County. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind west 20 km/h becoming light early this evening. Low 15. Tuesday..Cloudy. 40 percent chance of showers late in the afternoon with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening. Low 10. Kitchener - Cambridge - Region of Waterloo. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind west 20 km/h becoming light early this evening. Low 15. Tuesday..Cloudy. 40 percent chance of showers late in the afternoon with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening. Low 10. Guelph - Erin - Southern Wellington County. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind west 20 km/h becoming light early this evening. Low 15. Tuesday..Cloudy. 40 percent chance of showers late in the afternoon with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening. Low 10. Mount Forest - Arthur - Northern Wellington County. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind west 20 km/h becoming light early this evening. Low 15. Tuesday..Cloudy. 40 percent chance of showers late in the afternoon with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening. Low 10. Orangeville - Grand Valley - Southern Dufferin County. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind west 20 km/h becoming light early this evening. Low 15. Tuesday..Cloudy. 40 percent chance of showers late in the afternoon with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening. Low 10. Shelburne - Mansfield - Northern Dufferin County. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind west 20 km/h becoming light early this evening. Low 15. Tuesday..Cloudy. 40 percent chance of showers late in the afternoon with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the evening. Low 10. Innisfil - New Tecumseth - Angus. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light early this evening. Low 16. Tuesday..Cloudy. 60 percent chance of showers late in the afternoon with risk of a thunderstorm. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy with 60 percent chance of showers. Risk of a thunderstorm in the evening. Low 9. Saugeen Shores - Kincardine - Southern Bruce County. Tonight..Mainly cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind west 20 km/h becoming light early this evening. Low 15. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon. High 22. Humidex 26. UV index 4 or moderate. Tuesday night..Cloudy. 40 percent chance of showers in the evening with risk of a thunderstorm. Low 9. Bruce Peninsula - Sauble Beach - Tobermory. Tonight..A few showers ending early this evening then cloudy with 40 percent chance of showers. Risk of a thunderstorm early this evening. Fog patches developing overnight. Wind west 20 km/h becoming light early this evening. Low 15. Tuesday..Cloudy with 30 percent chance of showers. Fog patches dissipating in the morning. High 21. Humidex 25. UV index 4 or moderate. Tuesday night..Overcast. Low 9. Hanover - Dundalk - Southern Grey County. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind west 20 km/h becoming light early this evening. Low 15. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon. High 22. Humidex 26. UV index 4 or moderate. Tuesday night..Cloudy. 40 percent chance of showers in the evening with risk of a thunderstorm. Low 9. Owen Sound - Blue Mountains - Northern Grey County. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind west 20 km/h becoming light early this evening. Low 15. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon. High 22. Humidex 26. UV index 4 or moderate. Tuesday night..Cloudy. 40 percent chance of showers in the evening with risk of a thunderstorm. Low 9. Barrie - Collingwood - Hillsdale. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light early this evening. Low 16. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy. Low 9. Midland - Coldwater - Orr Lake. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light early this evening. Low 16. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Partly cloudy. Becoming cloudy near midnight. Low 9. Orillia - Lagoon City - Washago. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light early this evening. Low 16. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy. Low 9. Cobourg - Colborne - Western Northumberland County. Tonight..Cloudy with 70 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h gusting to 40 becoming light early this evening. Low 16. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Overcast. Low 10. Belleville - Quinte West - Eastern Northumberland County. Tonight..Cloudy with 70 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h gusting to 40 becoming light early this evening. Low 16. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Overcast. Low 10. Picton - Sandbanks Park. Tonight..Cloudy with 70 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h gusting to 40 becoming light early this evening. Low 16. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Overcast. Low 10. Napanee - Consecon. Tonight..Cloudy with 70 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h gusting to 40 becoming light early this evening. Low 16. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Overcast. Low 10. Kingston - Odessa - Frontenac Islands. Tonight..Cloudy with 70 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h gusting to 40 becoming light early this evening. Low 16. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Overcast. Low 10. Lindsay - Southern Kawartha Lakes. Tonight..A few showers ending this evening then cloudy with 40 percent chance of showers. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light early this evening. Low 15. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm late in the afternoon. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy. 40 percent chance of showers early in the evening with risk of a thunderstorm. Low 10. Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes. Tonight..A few showers ending this evening then cloudy with 40 percent chance of showers. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light early this evening. Low 15. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm late in the afternoon. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy. 40 percent chance of showers early in the evening with risk of a thunderstorm. Low 10. Peterborough City - Lakefield - Southern Peterborough County. Tonight..A few showers ending this evening then cloudy with 40 percent chance of showers. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light early this evening. Low 15. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm late in the afternoon. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy. 40 percent chance of showers early in the evening with risk of a thunderstorm. Low 10. Apsley - Woodview - Northern Peterborough County. Tonight..A few showers ending this evening then cloudy with 40 percent chance of showers. Risk of a thunderstorm early this evening. Wind southwest 20 km/h becoming light early this evening. Low 15. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm late in the afternoon. High 23. Humidex 28. UV index 4 or moderate. Tuesday night..Cloudy. 40 percent chance of showers early in the evening with risk of a thunderstorm. Low 10. Stirling - Tweed - Madoc. Tonight..Cloudy with 70 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h becoming light early this evening. Low 16. Tuesday..Cloudy with 60 percent chance of showers. Risk of a thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Cloudy. 60 percent chance of showers in the evening with risk of a thunderstorm. Low 10. Tamworth - Sydenham - South Frontenac. Tonight..Cloudy with 70 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h becoming light early this evening. Low 16. Tuesday..Cloudy with 60 percent chance of showers. Risk of a thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Cloudy. 60 percent chance of showers in the evening with risk of a thunderstorm. Low 10. Kaladar - Bannockburn - Bon Echo Park. Tonight..A few showers ending early this evening then cloudy with 40 percent chance of showers. Risk of a thunderstorm early this evening. Local amount 10 to 20 mm. Wind southwest 20 km/h becoming light early this evening. Low 16. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Overcast. Low 10. Bancroft - Hastings Highlands - Denbigh. Tonight..A few showers ending early this evening then cloudy with 40 percent chance of showers. Risk of a thunderstorm this evening. Fog patches developing overnight. Low 14. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. High 21. Humidex 26. UV index 4 or moderate. Tuesday night..Overcast. Low 10. Gananoque - Mallorytown. Tonight..Cloudy with 70 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h becoming light early this evening. Low 16. Tuesday..Cloudy with 60 percent chance of showers. Risk of a thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Cloudy. 60 percent chance of showers in the evening with risk of a thunderstorm. Low 10. Brockville - Prescott. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Low 16. Tuesday..Cloudy with 40 percent chance of showers. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Mainly cloudy. Low 10. Westport - Charleston Lake. Tonight..Cloudy with 70 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h becoming light early this evening. Low 16. Tuesday..Cloudy with 60 percent chance of showers. Risk of a thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Cloudy. 60 percent chance of showers in the evening with risk of a thunderstorm. Low 10. Merrickville-Wolford - Kemptville. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Low 16. Tuesday..Cloudy with 40 percent chance of showers. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Partly cloudy. Becoming cloudy after midnight. Low 10. Ottawa North - Kanata - Orl‚ans. Tonight..A few showers ending early this evening then cloudy with 40 percent chance of showers. Risk of a thunderstorm early this evening. Local amount 10 to 20 mm. Low 16. Tuesday..Cloudy with 30 percent chance of showers. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Partly cloudy. Becoming cloudy near midnight. Low 10. Ottawa South - Richmond - Metcalfe. Tonight..A few showers ending early this evening then cloudy with 40 percent chance of showers. Risk of a thunderstorm early this evening. Local amount 10 to 20 mm. Low 16. Tuesday..Cloudy with 30 percent chance of showers. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Partly cloudy. Becoming cloudy near midnight. Low 10. Gatineau. Tonight..A few showers ending early this evening then cloudy with 40 percent chance of showers. Risk of a thunderstorm early this evening. Local amount 10 to 20 mm. Low 16. Tuesday..Cloudy with 30 percent chance of showers. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Mainly cloudy. Low 10. Prescott and Russell. Tonight..A few showers ending early this evening then cloudy with 40 percent chance of showers. Risk of a thunderstorm early this evening. Local amount 10 to 20 mm. Low 16. Tuesday..Cloudy with 30 percent chance of showers. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Partly cloudy. Low 10. Morrisburg - Long Sault. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Low 16. Tuesday..Cloudy with 40 percent chance of showers. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Partly cloudy. Becoming cloudy after midnight. Low 10. Cornwall - Lancaster. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Low 16. Tuesday..Cloudy with 40 percent chance of showers. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Partly cloudy. Becoming cloudy after midnight. Low 10. Winchester - Newington. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Low 16. Tuesday..Cloudy with 40 percent chance of showers. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Partly cloudy. Becoming cloudy after midnight. Low 10. Maxville - Alexandria. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Low 16. Tuesday..Cloudy with 40 percent chance of showers. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Partly cloudy. Becoming cloudy after midnight. Low 10. Plevna - Sharbot Lake - Western Lanark County. Tonight..A few showers ending early this evening then cloudy with 40 percent chance of showers. Risk of a thunderstorm early this evening. Local amount 10 to 20 mm. Wind southwest 20 km/h becoming light early this evening. Low 16. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Partly cloudy. Becoming cloudy after midnight. Low 10. Smiths Falls - Perth - Eastern Lanark County. Tonight..A few showers ending early this evening then cloudy with 40 percent chance of showers. Risk of a thunderstorm early this evening. Local amount 10 to 20 mm. Wind southwest 20 km/h becoming light early this evening. Low 16. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm late in the afternoon. High 22. Humidex 27. UV index 4 or moderate. Tuesday night..Partly cloudy. Becoming cloudy after midnight. Low 10. Port Carling - Port Severn. Tonight..A few showers ending early this evening then cloudy with 40 percent chance of showers. Risk of a thunderstorm early this evening. Fog patches developing overnight. Low 15. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. High 22. Humidex 26. UV index 4 or moderate. Tuesday night..Cloudy. Low 9. Bracebridge - Gravenhurst. Tonight..A few showers ending early this evening then cloudy with 40 percent chance of showers. Risk of a thunderstorm early this evening. Fog patches developing overnight. Low 15. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. High 22. Humidex 26. UV index 4 or moderate. Tuesday night..Cloudy. Low 9. Town of Parry Sound - Rosseau - Killbear Park. Tonight..A few showers ending early this evening then cloudy with 40 percent chance of showers. Risk of a thunderstorm early this evening. Fog patches developing overnight. Low 15. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. High 22. Humidex 26. UV index 4 or moderate. Tuesday night..Cloudy. Low 9. Huntsville - Baysville. Tonight..A few showers ending early this evening then cloudy with 40 percent chance of showers. Risk of a thunderstorm early this evening. Fog patches developing overnight. Low 15. Tuesday..Cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon. Fog patches dissipating in the morning. High 22. Humidex 26. UV index 4 or moderate. Tuesday night..Cloudy. Low 9. Continued in next message... --- up 5 days, 23 hours, 27 minutes * Origin: Northern Realms (1:229/664) .