Subj : Southern Ontario Weather To : All From : Northern Realms Date : Tue May 20 2025 11:05:02 FPCN11 CWTO 201500 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 11:00 a.m. EDT Tuesday 20 May 2025 for today and Wednesday. The next scheduled forecast will be issued at 3:30 p.m. EDT. City of Toronto. Today..Sunny. High 16. UV index 8 or very high. Tonight..Increasing cloudiness early this evening. Wind east 20 km/h becoming light late this evening. Wind becoming northeast 20 gusting to 40 after midnight. Low 9. Wednesday..Cloudy. Periods of rain beginning near noon. Wind east 30 km/h gusting to 50. High 13. UV index 5 or moderate. Windsor - Leamington - Essex County. Today..Increasing cloudiness this afternoon. Wind east 20 km/h gusting to 40. High 15. UV index 9 or very high. Tonight..Cloudy. 40 percent chance of showers this evening. Periods of rain beginning near midnight. Risk of a thunderstorm overnight. Amount 5 to 10 mm. Wind east 20 km/h gusting to 40. Low 11. Wednesday..Periods of rain. Amount 5 mm. Wind northeast 20 km/h gusting to 40. High 14. UV index 2 or low. Chatham-Kent - Rondeau Park. Today..Increasing cloudiness this afternoon. Wind east 30 km/h gusting to 50. High 14. UV index 9 or very high. Tonight..Cloudy. 40 percent chance of showers this evening. Periods of rain beginning near midnight. Risk of a thunderstorm overnight. Amount 5 to 10 mm. Wind east 30 km/h gusting to 50. Low 9. Wednesday..Periods of rain. Amount 5 to 10 mm. Wind east 30 km/h gusting to 50 becoming light in the morning. Wind becoming east 20 late in the morning. High 14. UV index 2 or low. Sarnia - Petrolia - Western Lambton County. Today..A mix of sun and cloud. Becoming cloudy this afternoon. Wind becoming northeast 20 km/h gusting to 40 this afternoon. High 17. UV index 8 or very high. Tonight..Cloudy. 40 percent chance of showers this evening. Periods of rain beginning near midnight. Amount 5 to 10 mm. Wind northeast 20 km/h gusting to 40. Low 9. Wednesday..Periods of rain. Amount 5 to 10 mm. Wind northeast 20 km/h gusting to 40. High 12. UV index 2 or low. Watford - Pinery Park - Eastern Lambton County. Today..Increasing cloudiness late this afternoon. Wind becoming northeast 20 km/h gusting to 40 this afternoon. High 17. UV index 8 or very high. Tonight..Cloudy. 40 percent chance of showers this evening. Periods of rain beginning near midnight. Amount 5 to 10 mm. Wind northeast 20 km/h gusting to 40. Low 9. Wednesday..Periods of rain. Amount 5 to 10 mm. Wind northeast 20 km/h gusting to 40. High 12. UV index 2 or low. Rodney - Shedden - Western Elgin County. Today..Increasing cloudiness late this afternoon. Wind east 20 km/h gusting to 40. High 16. UV index 8 or very high. Tonight..Cloudy. 40 percent chance of showers overnight. Periods of rain beginning before morning. Wind northeast 30 km/h gusting to 50. Low 8. Wednesday..Periods of rain. Amount 10 to 15 mm. Wind east 30 km/h gusting to 50. High 14. UV index 2 or low. St. Thomas - Aylmer - Eastern Elgin County. Today..Increasing cloudiness late this afternoon. Wind east 20 km/h gusting to 40. High 17. UV index 8 or very high. Tonight..Cloudy. 40 percent chance of showers overnight. Periods of rain beginning before morning. Wind northeast 30 km/h gusting to 50. Low 8. Wednesday..Periods of rain. Amount 10 to 15 mm. Wind east 30 km/h gusting to 50. High 14. UV index 2 or low. Strathroy - Komoka - Western Middlesex County. Today..Increasing cloudiness late this afternoon. Wind east 20 km/h. High 17. UV index 8 or very high. Tonight..Cloudy. 40 percent chance of showers overnight. Periods of rain beginning before morning. Wind east 30 km/h gusting to 50. Low 8. Wednesday..Periods of rain. Amount 10 to 15 mm. Wind east 30 km/h gusting to 50. High 13. UV index 3 or moderate. London - Parkhill - Eastern Middlesex County. Today..Increasing cloudiness late this afternoon. Wind east 20 km/h. High 17. UV index 8 or very high. Tonight..Cloudy. 40 percent chance of showers overnight. Periods of rain beginning before morning. Wind east 30 km/h gusting to 50. Low 8. Wednesday..Periods of rain. Amount 10 to 15 mm. Wind east 30 km/h gusting to 50. High 13. UV index 3 or moderate. Simcoe - Delhi - Norfolk. Today..Mainly sunny. Wind becoming east 20 km/h gusting to 40 this afternoon. High 16. UV index 8 or very high. Tonight..Increasing cloudiness early this evening. 40 percent chance of showers overnight. Wind east 20 km/h gusting to 40. Low 9. Wednesday..Periods of rain. Amount 10 to 15 mm. Wind northeast 20 km/h gusting to 40 becoming light in the morning. High 13. UV index 3 or moderate. Dunnville - Caledonia - Haldimand. Today..Sunny. Increasing cloudiness late this afternoon. Wind east 20 km/h gusting to 40. High 16. UV index 8 or very high. Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind northeast 20 km/h gusting to 40. Low 10. Wednesday..Periods of rain. Amount 10 to 15 mm. Wind northeast 20 km/h gusting to 40. High 13. UV index 3 or moderate. Woodstock - Tillsonburg - Oxford County. Today..Mainly sunny. Wind becoming east 20 km/h this afternoon. High 16. UV index 8 or very high. Tonight..Increasing cloudiness. 40 percent chance of showers overnight. Wind east 20 km/h gusting to 40. Low 9. Wednesday..Periods of rain. Amount 10 to 15 mm. Wind northeast 30 km/h gusting to 50. High 13. UV index 3 or moderate. Brantford - County of Brant. Today..Mainly sunny. Wind becoming east 20 km/h this afternoon. High 16. UV index 8 or very high. Tonight..Increasing cloudiness. 40 percent chance of showers overnight. Wind east 20 km/h gusting to 40. Low 9. Wednesday..Periods of rain. Amount 10 to 15 mm. Wind northeast 30 km/h gusting to 50. High 13. UV index 3 or moderate. Niagara Falls - Welland - Southern Niagara Region. Today..Sunny. Wind becoming east 20 km/h late this afternoon. High 15. UV index 8 or very high. Tonight..Partly cloudy. Wind east 20 km/h. Low 10. Wednesday..Cloudy. Periods of rain beginning in the morning. Amount 10 to 15 mm. Wind east 30 km/h. High 14. UV index 2 or low. St. Catharines - Grimsby - Northern Niagara Region. Today..Sunny. Wind northeast 20 km/h. High 14. UV index 8 or very high. Tonight..Partly cloudy. Wind east 20 km/h. Low 10. Wednesday..Cloudy. Periods of rain beginning in the morning. Amount 10 to 15 mm. Wind east 30 km/h. High 14. UV index 2 or low. City of Hamilton. Today..Sunny. Increasing cloudiness late this afternoon. Wind east 30 km/h. High 14. UV index 8 or very high. Tonight..Mainly cloudy. Wind northeast 20 km/h gusting to 40. Low 8. Wednesday..Cloudy. Periods of rain beginning in the morning. Amount 10 to 15 mm. Wind northeast 30 km/h gusting to 50. High 12. UV index 3 or moderate. Burlington - Oakville. Today..Sunny. High 14. UV index 8 or very high. Tonight..Partly cloudy. Wind becoming east 20 km/h gusting to 40 before morning. Low 8. Wednesday..Cloudy. Periods of rain beginning in the morning. Amount 10 to 15 mm. Wind east 20 km/h gusting to 40. High 12. UV index 3 or moderate. Halton Hills - Milton. Today..Sunny. High 16. UV index 8 or very high. Tonight..Partly cloudy. Wind becoming east 20 km/h gusting to 40 before morning. Low 8. Wednesday..Cloudy. Periods of rain beginning in the morning. Amount 10 to 15 mm. Wind east 20 km/h gusting to 40. High 12. UV index 3 or moderate. Mississauga - Brampton. Today..Sunny. High 16. UV index 8 or very high. Tonight..Partly cloudy. Wind southeast 20 km/h. Low 8. Wednesday..Cloudy. Periods of rain beginning near noon. Wind northeast 30 km/h. High 13. UV index 5 or moderate. Caledon. Today..Sunny. High 16. UV index 8 or very high. Tonight..Increasing cloudiness this evening. Wind southeast 20 km/h. Low 8. Wednesday..Cloudy. Periods of rain beginning near noon. Wind northeast 30 km/h. High 13. UV index 5 or moderate. Vaughan - Richmond Hill - Markham. Today..Sunny. High 17. UV index 8 or very high. Tonight..Increasing cloudiness this evening. Wind becoming east 20 km/h gusting to 40 before morning. Low 8. Wednesday..Cloudy. Periods of rain beginning near noon. Wind east 20 km/h gusting to 40. High 14. UV index 5 or moderate. Newmarket - Georgina - Northern York Region. Today..Sunny. High 17. UV index 8 or very high. Tonight..Increasing cloudiness this evening. Wind becoming east 20 km/h gusting to 40 before morning. Low 7. Wednesday..Cloudy. Periods of rain beginning near noon. Wind east 20 km/h gusting to 40. High 14. UV index 5 or moderate. Pickering - Oshawa - Southern Durham Region. Today..Sunny. High 17. UV index 8 or very high. Tonight..Increasing cloudiness this evening. Wind becoming east 20 km/h gusting to 40 before morning. Low 8. Wednesday..Cloudy. 40 percent chance of showers in the afternoon. Periods of rain beginning late in the afternoon. Wind east 20 km/h gusting to 40. High 14. UV index 6 or high. Uxbridge - Beaverton - Northern Durham Region. Today..Sunny. High 18. UV index 8 or very high. Tonight..Increasing cloudiness this evening. Wind becoming east 20 km/h gusting to 40 before morning. Low 7. Wednesday..Cloudy. 40 percent chance of showers in the afternoon. Periods of rain beginning late in the afternoon. Wind east 20 km/h gusting to 40. High 14. UV index 6 or high. Goderich - Bluewater - Southern Huron County. Today..Mainly sunny. Wind becoming east 20 km/h this afternoon. High 18. UV index 8 or very high. Tonight..Increasing cloudiness. 40 percent chance of showers overnight. Periods of rain beginning before morning. Wind east 20 km/h becoming light this evening. Wind becoming east 20 gusting to 40 after midnight. Low 8. Wednesday..Periods of rain. Amount 10 to 15 mm. Wind east 20 km/h gusting to 40. High 13. UV index 2 or low. Wingham - Blyth - Northern Huron County. Today..Mainly sunny. Wind becoming east 20 km/h this afternoon. High 18. UV index 8 or very high. Tonight..Increasing cloudiness early this evening. Wind east 20 km/h becoming light this evening. Wind becoming east 20 gusting to 40 after midnight. Low 8. Wednesday..Periods of rain. Wind east 20 km/h gusting to 40. High 13. UV index 2 or low. Stratford - Mitchell - Southern Perth County. Today..Mainly sunny. Increasing cloudiness late this afternoon. Wind east 20 km/h. High 17. UV index 8 or very high. Tonight..Cloudy. 40 percent chance of showers overnight. Periods of rain beginning before morning. Wind east 30 km/h gusting to 50. Low 8. Wednesday..Periods of rain. Amount 10 to 15 mm. Wind east 30 km/h gusting to 50. High 12. UV index 3 or moderate. Listowel - Milverton - Northern Perth County. Today..Sunny. Wind east 20 km/h. High 17. UV index 8 or very high. Tonight..Increasing cloudiness early this evening. Wind east 30 km/h gusting to 50. Low 8. Wednesday..Periods of rain. Wind east 30 km/h gusting to 50. High 12. UV index 3 or moderate. Kitchener - Cambridge - Region of Waterloo. Today..Sunny. Increasing cloudiness late this afternoon. Wind becoming east 20 km/h late this afternoon. High 17. UV index 8 or very high. Tonight..Mainly cloudy. Wind east 20 km/h gusting to 40. Low 8. Wednesday..Cloudy. Periods of rain beginning in the morning. Amount 10 to 15 mm. Wind east 30 km/h gusting to 50. High 12. UV index 2 or low. Guelph - Erin - Southern Wellington County. Today..Sunny. Increasing cloudiness late this afternoon. Wind becoming east 20 km/h late this afternoon. High 17. UV index 8 or very high. Tonight..Mainly cloudy. Wind east 20 km/h gusting to 40. Low 8. Wednesday..Cloudy. Periods of rain beginning in the morning. Amount 10 to 15 mm. Wind east 30 km/h gusting to 50. High 12. UV index 2 or low. Mount Forest - Arthur - Northern Wellington County. Today..Sunny. Wind becoming east 20 km/h this afternoon. High 16. UV index 8 or very high. Tonight..Increasing cloudiness this evening. Wind east 20 km/h gusting to 40. Low 7. Wednesday..Cloudy. Periods of rain beginning in the morning. Amount 10 to 15 mm. Wind east 30 km/h gusting to 50. High 12. UV index 2 or low. Orangeville - Grand Valley - Southern Dufferin County. Today..Sunny. Wind becoming east 20 km/h this afternoon. High 15. UV index 8 or very high. Tonight..Increasing cloudiness this evening. Wind east 20 km/h gusting to 40. Low 7. Wednesday..Cloudy. Periods of rain beginning near noon. Wind east 20 km/h gusting to 40 becoming light in the morning. High 13. UV index 5 or moderate. Shelburne - Mansfield - Northern Dufferin County. Today..Sunny. Wind east 20 km/h. High 15. UV index 8 or very high. Tonight..Increasing cloudiness this evening. Wind east 20 km/h gusting to 40. Low 7. Wednesday..Cloudy. Periods of rain beginning near noon. Wind east 20 km/h gusting to 40 becoming light in the morning. High 13. UV index 5 or moderate. Innisfil - New Tecumseth - Angus. Today..Sunny. Wind becoming northeast 20 km/h late this afternoon. High 17. UV index 8 or very high. Tonight..Increasing cloudiness this evening. Wind northeast 20 km/h becoming light this evening. Wind becoming east 20 gusting to 40 before morning. Low 7. Wednesday..Cloudy. Periods of rain beginning near noon. Wind east 20 km/h gusting to 40. High 14. UV index 5 or moderate. Saugeen Shores - Kincardine - Southern Bruce County. Today..Increasing cloudiness late this afternoon. Wind east 20 km/h. High 16. UV index 8 or very high. Tonight..Mainly cloudy. Wind northeast 20 km/h becoming light this evening. Wind becoming east 20 gusting to 40 after midnight. Low 8. Wednesday..Cloudy. Periods of rain beginning near noon. Wind east 30 km/h gusting to 50. High 14. UV index 5 or moderate. Bruce Peninsula - Sauble Beach - Tobermory. Today..Sunny. Wind becoming northeast 30 km/h this afternoon. High 12. UV index 7 or high. Tonight..Increasing cloudiness early this evening. Wind northeast 20 km/h. Low 7. Wednesday..Cloudy. 40 percent chance of showers late in the afternoon. Wind northeast 20 km/h. High 14. UV index 5 or moderate. Hanover - Dundalk - Southern Grey County. Today..Sunny. Wind northeast 30 km/h. High 13. UV index 7 or high. Tonight..Increasing cloudiness early this evening. Wind northeast 20 km/h. Low 7. Wednesday..Cloudy. Periods of rain beginning near noon. Wind northeast 20 km/h. High 14. UV index 4 or moderate. Owen Sound - Blue Mountains - Northern Grey County. Today..Sunny. Wind becoming northeast 30 km/h this afternoon. High 13. UV index 7 or high. Tonight..Increasing cloudiness early this evening. Wind northeast 20 km/h. Low 7. Wednesday..Cloudy. 40 percent chance of showers late in the afternoon. Wind northeast 20 km/h. High 14. UV index 5 or moderate. Barrie - Collingwood - Hillsdale. Today..Sunny. High 15. UV index 8 or very high. Tonight..Increasing cloudiness this evening. Wind east 20 km/h becoming light late this evening. Wind becoming east 20 gusting to 40 before morning. Low 7. Wednesday..Cloudy. 40 percent chance of showers in the afternoon. Periods of rain beginning late in the afternoon. Wind east 20 km/h gusting to 40. High 15. UV index 7 or high. Midland - Coldwater - Orr Lake. Today..Sunny. High 17. UV index 8 or very high. Tonight..Increasing cloudiness this evening. Wind east 20 km/h becoming light after midnight. Wind becoming east 20 gusting to 40 before morning. Low 8. Wednesday..Cloudy. 40 percent chance of showers in the afternoon. Periods of rain beginning late in the afternoon. Wind east 20 km/h gusting to 40. High 15. UV index 7 or high. Orillia - Lagoon City - Washago. Today..Sunny. High 18. UV index 8 or very high. Tonight..Increasing cloudiness this evening. Wind east 20 km/h becoming light after midnight. Wind becoming east 20 gusting to 40 before morning. Low 8. Wednesday..Cloudy. 40 percent chance of showers in the afternoon. Periods of rain beginning late in the afternoon. Wind east 20 km/h gusting to 40. High 15. UV index 7 or high. Cobourg - Colborne - Western Northumberland County. Today..Sunny. High 18. UV index 8 or very high. Tonight..Clear. Becoming partly cloudy this evening. Wind becoming east 20 km/h gusting to 40 before morning. Low 7. Wednesday..Increasing cloudiness. 40 percent chance of showers in the afternoon. Periods of rain beginning late in the afternoon. Wind east 20 km/h gusting to 40 becoming light in the morning. High 16. UV index 8 or very high. Belleville - Quinte West - Eastern Northumberland County. Today..Sunny. High 18. UV index 8 or very high. Tonight..Clear. Becoming partly cloudy this evening. Wind becoming east 20 km/h gusting to 40 before morning. Low 7. Wednesday..Increasing cloudiness. 40 percent chance of showers in the afternoon. Periods of rain beginning late in the afternoon. Wind east 20 km/h gusting to 40 becoming light in the morning. High 16. UV index 8 or very high. Picton - Sandbanks Park. Today..Sunny. Wind becoming northeast 20 km/h late this afternoon. High 17. UV index 8 or very high. Tonight..Clear. Becoming partly cloudy this evening. Wind northeast 20 km/h. Low 7. Wednesday..Increasing cloudiness. 40 percent chance of showers in the afternoon. Wind east 20 km/h becoming light in the afternoon. High 16. UV index 8 or very high. Napanee - Consecon. Today..Sunny. Wind becoming northeast 20 km/h late this afternoon. High 18. UV index 8 or very high. Tonight..Clear. Becoming partly cloudy this evening. Wind northeast 20 km/h. Low 7. Wednesday..Increasing cloudiness. 40 percent chance of showers in the afternoon. Wind east 20 km/h becoming light in the afternoon. High 16. UV index 8 or very high. Kingston - Odessa - Frontenac Islands. Today..Mainly cloudy. Wind becoming northeast 20 km/h late this afternoon. High 14. UV index 8 or very high. Tonight..Partly cloudy. Wind northeast 20 km/h. Low 7. Wednesday..Increasing cloudiness. 40 percent chance of showers in the afternoon. Wind east 20 km/h becoming light in the afternoon. High 16. UV index 8 or very high. Lindsay - Southern Kawartha Lakes. Today..Sunny. Wind northeast 20 km/h becoming light this afternoon. High 18. UV index 8 or very high. Tonight..Increasing cloudiness this evening. Wind becoming east 20 km/h after midnight. Low 6. Wednesday..Cloudy. 40 percent chance of showers in the afternoon. Periods of rain beginning late in the afternoon. Wind east 20 km/h. High 16. UV index 7 or high. Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes. Today..Sunny. Wind northeast 20 km/h becoming light this afternoon. High 18. UV index 8 or very high. Tonight..Increasing cloudiness this evening. Wind becoming east 20 km/h after midnight. Low 6. Wednesday..Cloudy. 40 percent chance of showers in the afternoon. Wind east 20 km/h. High 16. UV index 7 or high. Peterborough City - Lakefield - Southern Peterborough County. Today..Sunny. High 18. UV index 8 or very high. Tonight..Increasing cloudiness this evening. Wind becoming east 20 km/h after midnight. Low 6. Wednesday..Cloudy. 40 percent chance of showers in the afternoon. Periods of rain beginning late in the afternoon. Wind east 20 km/h. High 16. UV index 7 or high. Apsley - Woodview - Northern Peterborough County. Today..Sunny. Wind northeast 20 km/h becoming light this afternoon. High 18. UV index 8 or very high. Tonight..Increasing cloudiness this evening. Wind becoming east 20 km/h after midnight. Low 6. Wednesday..Cloudy. 40 percent chance of showers in the afternoon. Wind east 20 km/h. High 16. UV index 7 or high. Stirling - Tweed - Madoc. Today..Sunny. Wind north 20 km/h. High 17. UV index 8 or very high. Tonight..A few clouds. Wind northeast 20 km/h. Low 7. Wednesday..Increasing cloudiness. 40 percent chance of showers in the afternoon. Wind east 20 km/h becoming light in the morning. High 16. UV index 6 or high. Tamworth - Sydenham - South Frontenac. Today..Mainly cloudy. Wind north 20 km/h. High 14. UV index 8 or very high. Tonight..Mainly cloudy. Wind northeast 20 km/h. Low 7. Wednesday..Becoming cloudy in the morning. 40 percent chance of showers in the afternoon. Wind east 20 km/h becoming light in the morning. High 16. UV index 5 or moderate. Kaladar - Bannockburn - Bon Echo Park. Today..Sunny. Wind northeast 20 km/h becoming light this afternoon. High 16. UV index 7 or high. Tonight..A few clouds. Wind becoming northeast 20 km/h late this evening. Low 6. Wednesday..Increasing cloudiness. 40 percent chance of showers in the afternoon. Wind east 20 km/h becoming light in the morning. High 16. UV index 6 or high. Bancroft - Hastings Highlands - Denbigh. Today..Sunny. High 16. UV index 7 or high. Tonight..A few clouds. Wind becoming east 20 km/h before morning. Low plus 5. Wednesday..Cloudy with 40 percent chance of showers. Wind east 20 km/h becoming light in the morning. High 15. UV index 6 or high. Gananoque - Mallorytown. Today..Mainly cloudy. High 13. UV index 7 or high. Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind becoming east 20 km/h late this evening. Low 8. Wednesday..Mainly cloudy with 40 percent chance of showers. Wind east 20 km/h becoming light in the morning. High 16. UV index 7 or high. Brockville - Prescott. Today..Mainly cloudy. High 12. UV index 7 or high. Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind becoming east 20 km/h late this evening. Low 8. Wednesday..Mainly cloudy with 40 percent chance of showers. Wind east 20 km/h becoming light in the morning. High 16. UV index 7 or high. Westport - Charleston Lake. Today..Mainly cloudy. High 12. UV index 7 or high. Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind becoming east 20 km/h late this evening. Low 8. Wednesday..Mainly cloudy with 40 percent chance of showers. Wind east 20 km/h becoming light in the morning. High 16. UV index 7 or high. Merrickville-Wolford - Kemptville. Today..Mainly cloudy. High 12. UV index 7 or high. Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind becoming east 20 km/h late this evening. Low 8. Wednesday..Mainly cloudy with 40 percent chance of showers. Wind east 20 km/h becoming light in the morning. High 16. UV index 7 or high. Ottawa North - Kanata - Orl‚ans. Today..Mainly cloudy. High 12. UV index 7 or high. Tonight..Cloudy. 40 percent chance of showers overnight. Wind becoming east 20 km/h late this evening. Low 9. Wednesday..Cloudy with 40 percent chance of showers. Wind east 20 km/h. High 16. UV index 5 or moderate. Ottawa South - Richmond - Metcalfe. Today..Mainly cloudy. Wind northeast 20 km/h becoming light this afternoon. High 12. UV index 7 or high. Tonight..Cloudy. 40 percent chance of showers overnight. Wind becoming east 20 km/h late this evening. Low 9. Wednesday..Cloudy with 40 percent chance of showers. Wind east 20 km/h. High 16. UV index 5 or moderate. Gatineau. Today..Mainly cloudy. High 12. UV index 7 or high. Tonight..Cloudy. 40 percent chance of showers overnight. Low 9. Wednesday..Cloudy with 40 percent chance of showers. Wind becoming east 20 km/h in the morning. High 16. UV index 5 or moderate. Prescott and Russell. Today..Cloudy. High 12. UV index 5 or moderate. Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind becoming east 20 km/h before morning. Low 9. Wednesday..Cloudy with 40 percent chance of showers. Wind east 20 km/h becoming light in the morning. High 16. UV index 5 or moderate. Morrisburg - Long Sault. Today..Cloudy. High 12. UV index 5 or moderate. Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind becoming east 20 km/h before morning. Low 9. Wednesday..Cloudy with 40 percent chance of showers. Wind east 20 km/h becoming light in the morning. High 16. UV index 5 or moderate. Cornwall - Lancaster. Today..Cloudy. High 12. UV index 5 or moderate. Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind becoming east 20 km/h before morning. Low 9. Wednesday..Cloudy with 40 percent chance of showers. Wind east 20 km/h becoming light in the morning. High 16. UV index 5 or moderate. Winchester - Newington. Today..Cloudy. High 12. UV index 5 or moderate. Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind becoming east 20 km/h before morning. Low 9. Wednesday..Cloudy with 40 percent chance of showers. Wind east 20 km/h becoming light in the morning. High 16. UV index 5 or moderate. Maxville - Alexandria. Today..Cloudy. High 12. UV index 5 or moderate. Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind becoming east 20 km/h before morning. Low 9. Wednesday..Cloudy with 40 percent chance of showers. Wind east 20 km/h becoming light in the morning. High 16. UV index 5 or moderate. Plevna - Sharbot Lake - Western Lanark County. Today..Mainly cloudy. Wind north 20 km/h becoming light this afternoon. High 13. UV index 7 or high. Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind becoming northeast 20 km/h late this evening. Low 7. Wednesday..Cloudy with 40 percent chance of showers. Wind east 20 km/h becoming light in the morning. High 16. UV index 5 or moderate. Smiths Falls - Perth - Eastern Lanark County. Today..Mainly cloudy. Wind north 20 km/h becoming light this afternoon. High 12. UV index 7 or high. Tonight..Cloudy. 40 percent chance of showers overnight. Wind becoming northeast 20 km/h late this evening. Low 7. Wednesday..Cloudy with 40 percent chance of showers. Wind east 20 km/h becoming light in the morning. High 16. UV index 5 or moderate. Port Carling - Port Severn. Today..Sunny. Wind northeast 20 km/h gusting to 40 becoming light this afternoon. High 18. UV index 7 or high. Tonight..Increasing cloudiness early this evening. Wind becoming east 20 km/h before morning. Low 7. Wednesday..Mainly cloudy. 40 percent chance of showers in the afternoon. Wind east 20 km/h. High 16. UV index 7 or high. Bracebridge - Gravenhurst. Today..Sunny. High 18. UV index 7 or high. Tonight..Increasing cloudiness early this evening. Wind becoming east 20 km/h before morning. Low 7. Wednesday..Mainly cloudy. 40 percent chance of showers in the afternoon. Wind east 20 km/h. High 16. UV index 7 or high. Town of Parry Sound - Rosseau - Killbear Park. Today..Sunny. High 18. UV index 7 or high. Tonight..Increasing cloudiness early this evening. Wind becoming east 20 km/h before morning. Low 7. Wednesday..Mainly cloudy. 40 percent chance of showers in the afternoon. Wind east 20 km/h. High 16. UV index 7 or high. Huntsville - Baysville. Today..Sunny. High 17. UV index 7 or high. Tonight..Increasing cloudiness early this evening. Wind becoming east 20 km/h before morning. Low 7. Wednesday..Mainly cloudy. 40 percent chance of showers in the afternoon. Wind east 20 km/h. High 16. UV index 7 or high. Haliburton - Minden - Southern Haliburton County. Today..Sunny. Wind northeast 20 km/h. High 17. UV index 7 or high. Tonight..Clear. Becoming partly cloudy this evening. Wind becoming east 20 km/h after midnight. Low plus 5. Wednesday..Becoming cloudy in the morning. 40 percent chance of showers in the afternoon. Wind east 20 km/h gusting to 40 becoming light in the morning. High 15. UV index 3 or moderate. Oxtongue Lake - Fort Irwin - Northern Haliburton County. Today..Sunny. Wind northeast 20 km/h. High 17. UV index 7 or high. Tonight..Clear. Becoming partly cloudy this evening. Wind becoming east 20 km/h after midnight. Low plus 5. Wednesday..Cloudy with 40 percent chance of showers. Wind east 20 km/h gusting to 40 becoming light in the morning. High 15. UV index 3 or moderate. Barry's Bay - Killaloe. Today..Increasing cloudiness near noon. Wind northeast 20 km/h. High 14. UV index 7 or high. Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind becoming northeast 20 km/h late this evening. Low plus 5. Wednesday..Cloudy with 40 percent chance of showers. Wind northeast 20 km/h becoming light in the morning. High 14. UV index 5 or moderate. Renfrew - Arnprior - Calabogie. Today..Mainly cloudy. Wind northeast 20 km/h becoming light this afternoon. High 12. UV index 7 or high. Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind east 20 km/h becoming light after midnight. Low 6. Wednesday..Cloudy with 40 percent chance of showers. High 15. UV index 5 or moderate. Petawawa - Pembroke - Cobden. Today..Mainly cloudy. High 14. UV index 7 or high. Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind east 20 km/h becoming light after midnight. Low 6. Wednesday..Cloudy with 40 percent chance of showers. High 15. UV index 5 or moderate. Western Algonquin Park - Lake of Two Rivers. Today..Sunny. Wind northeast 20 km/h becoming light this afternoon. High 16. UV index 7 or high. Tonight..Partly cloudy. Wind becoming east 20 km/h late this evening. Low plus 4. Wednesday..Mainly cloudy with 40 percent chance of showers. Wind east 20 km/h becoming light in the morning. High 13. UV index 7 or high. Deep River - Whitney - Eastern Algonquin Park. Today..Sunny. High 16. UV index 7 or high. Tonight..Partly cloudy. Wind becoming east 20 km/h late this evening. Low plus 4. Wednesday..Mainly cloudy with 40 percent chance of showers. Wind east 20 km/h becoming light in the morning. High 13. UV index 7 or high. Bayfield Inlet - Dunchurch. Today..Sunny. Wind northeast 20 km/h gusting to 40. High 16. UV index 7 or high. Tonight..Clear. Becoming partly cloudy this evening. Wind northeast 20 km/h becoming light this evening. Low 6. Wednesday..Becoming cloudy in the morning. 40 percent chance of showers in the afternoon. Wind east 20 km/h. High 16. UV index 3 or moderate. South River - Burk's Falls. Today..Sunny. Wind northeast 20 km/h gusting to 40. High 16. UV index 7 or high. Tonight..Clear. Becoming partly cloudy this evening. Wind northeast 20 km/h becoming light this evening. Low 6. Wednesday..Becoming cloudy in the morning. 40 percent chance of showers in the afternoon. Wind east 20 km/h. High 16. UV index 3 or moderate. End $$$$^^ --- up 5 days, 4 hours, 16 minutes * Origin: Northern Realms (1:229/664) .