Subj : Southern Ontario Weather To : All From : Northern Realms Date : Sun Sep 18 2022 15:35:06 FPCN11 CWTO 181930 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 3:30 p.m. EDT Sunday 18 September 2022 for tonight Monday and Monday night. The next scheduled forecast will be issued at 5:00 a.m. EDT Monday. City of Toronto. Tonight..Showers ending early this evening then partly cloudy with 30 percent chance of showers changing to 70 percent chance of showers overnight. Risk of a thunderstorm this evening and overnight. Wind becoming northwest 30 km/h gusting to 50 then light near midnight. Low 21. Monday..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. Wind becoming northwest 20 km/h gusting to 40 in the afternoon. High 26. Humidex 31. UV index 4 or moderate. Monday night..Partly cloudy. 30 percent chance of showers early in the evening. Wind northwest 20 km/h gusting to 40 becoming light near midnight. Low 15. City of Hamilton. Tonight..Showers ending early this evening then mainly cloudy with 30 percent chance of showers changing to 70 percent chance of showers before morning. Risk of a thunderstorm this evening and overnight. Wind southwest 30 km/h gusting to 50 becoming light early this evening. Low 18. Monday..Mainly cloudy. 70 percent chance of showers changing to 30 percent chance of showers near noon. Risk of a thunderstorm in the morning and afternoon. Wind becoming northwest 20 km/h gusting to 40 early in the afternoon. High 24. Humidex 29. UV index 6 or high. Monday night..Partly cloudy. 30 percent chance of showers early in the evening. Low 12. Niagara Falls - Welland - Southern Niagara Region. Tonight..Showers ending early this evening then mainly cloudy with 30 percent chance of showers changing to 70 percent chance of showers before morning. Risk of a thunderstorm this evening and overnight. Wind southwest 30 km/h gusting to 50 becoming light near midnight. Low 20. Monday..Cloudy. 70 percent chance of showers changing to 30 percent chance of showers near noon. Risk of a thunderstorm in the morning and afternoon. Wind southwest 20 km/h becoming northwest 20 gusting to 40 in the afternoon. High 25. Humidex 32. UV index 4 or moderate. Monday night..Partly cloudy. 30 percent chance of showers early in the evening. Wind northwest 20 km/h gusting to 40 becoming light early in the evening. Low 14. Kitchener - Cambridge - Region of Waterloo. Tonight..Mainly cloudy. 30 percent chance of showers changing to 70 percent chance of showers near midnight. Risk of a thunderstorm this evening and overnight. Wind west 20 km/h gusting to 40 becoming light late this evening. Low 18. Monday..Mainly cloudy. 70 percent chance of showers changing to 30 percent chance of showers near noon. Risk of a thunderstorm in the morning and afternoon. Wind becoming northwest 30 km/h gusting to 50 late in the morning. High 26. Humidex 32. UV index 5 or moderate. Monday night..A few clouds. Increasing cloudiness near midnight. Wind northwest 20 km/h gusting to 40 becoming light in the evening. Low 12. London - Parkhill - Eastern Middlesex County. Tonight..Partly cloudy. 30 percent chance of showers changing to 70 percent chance of showers overnight. Risk of a thunderstorm this evening and overnight. Wind southwest 20 km/h gusting to 40 becoming light this evening. Low 19. Monday..Mainly cloudy. 70 percent chance of showers changing to 30 percent chance of showers in the morning. Risk of a thunderstorm in the morning and afternoon. Wind becoming northwest 20 km/h gusting to 40 in the morning. High 27. Humidex 34. UV index 6 or high. Monday night..Clear. Fog patches developing overnight. Wind northwest 20 km/h gusting to 40 becoming light early in the evening. Low 11. Windsor - Leamington - Essex County. Tonight..Partly cloudy. 30 percent chance of showers changing to 70 percent chance of showers overnight. Risk of a thunderstorm this evening and overnight. Wind southwest 30 km/h gusting to 50 becoming light this evening. Wind becoming west 20 gusting to 40 before morning. Low 19. Monday..A mix of sun and cloud. 70 percent chance of showers changing to 30 percent chance of showers in the morning. Risk of a thunderstorm in the morning and afternoon. Wind west 30 km/h becoming light early in the morning. Wind becoming northwest 20 in the morning. High 28. Humidex 34. UV index 7 or high. Monday night..Clear. Fog patches developing overnight. Low 11. Ottawa North - Kanata - Orleans. Tonight..Showers with risk of a thunderstorm. Local amount 5 to 10 mm. Fog patches developing overnight. Wind northeast 20 km/h becoming light early this evening. Low 13. Monday..Showers with risk of a thunderstorm. Local amount 15 to 25 mm. Fog patches dissipating in the morning. High 18. UV index 2 or low. Monday night..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early in the evening. Fog patches developing overnight. Low 11. Ottawa South - Richmond - Metcalfe. Tonight..Showers with risk of a thunderstorm. Local amount 5 to 10 mm. Fog patches developing overnight. Wind northeast 20 km/h becoming light early this evening. Low 13. Monday..Showers with risk of a thunderstorm. Local amount 15 to 25 mm. Fog patches dissipating in the morning. High 18. UV index 2 or low. Monday night..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early in the evening. Fog patches developing overnight. Low 11. This reproduction is a copy of the version available at: https://weather.gc.ca/forecast/public_bulletins_e.html?Bulletin=fpcn11.cwto --- Binbrook, ON: Light rain shower +21C, UV Index: 7 * Origin: Northern Realms | tg.nrbbs.net | 289-424-5180 (1337:3/126) .