Subj : Southern Ontario Weather To : All From : Northern Realms Date : Sat May 21 2022 11:05:04 FPCN11 CWTO 211500 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 11:00 a.m. EDT Saturday 21 May 2022 for today and Sunday. The next scheduled forecast will be issued at 3:30 p.m. EDT. City of Toronto. Today..Mainly cloudy. 40 percent chance of showers with risk of a thunderstorm. Wind becoming southwest 20 km/h this afternoon. High 27. Humidex 34. UV index 7 or high. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind northwest 20 km/h gusting to 40 becoming light this evening. Low 15. Sunday..Cloudy. 60 percent chance of showers in the morning. Wind northwest 20 km/h becoming light near noon. High 19. UV index 5 or moderate. City of Hamilton. Today..Increasing cloudiness late this morning. 40 percent chance of showers with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50 becoming light this afternoon. High 25. Humidex 32. UV index 7 or high. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm early this evening. Wind west 40 km/h gusting to 60 becoming light this evening. Low 16. Sunday..Cloudy. 60 percent chance of showers in the morning. Wind becoming west 20 km/h in the afternoon. High 18. UV index 5 or moderate. Niagara Falls - Welland - Southern Niagara Region. Today..A mix of sun and cloud. 60 percent chance of showers this afternoon with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50 becoming light this afternoon. High 27. Humidex 34. UV index 9 or very high. Tonight..Cloudy with 60 percent chance of showers. Risk of a thunderstorm this evening. Fog patches developing near midnight. Wind becoming west 30 km/h gusting to 50 then light this evening. Low 15. Sunday..Cloudy. 60 percent chance of showers in the morning. Fog patches dissipating in the morning. Temperature falling to 12 in the morning then rising. UV index 6 or high. Kitchener - Cambridge - Region of Waterloo. Today..Mainly cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind west 20 km/h gusting to 40 becoming light late this afternoon. Temperature falling to 18 this afternoon. Humidex 28. UV index 7 or high. Tonight..Cloudy with 60 percent chance of showers. Wind northwest 30 km/h gusting to 50 becoming light early this evening. Low 14. Sunday..Cloudy. 60 percent chance of showers in the morning. Becoming a mix of sun and cloud in the afternoon. Wind northwest 20 km/h. High 18. UV index 7 or high. London - Parkhill - Eastern Middlesex County. Today..Mainly cloudy with 70 percent chance of showers and risk of a thunderstorm. Wind southwest 30 km/h gusting to 50 becoming light this afternoon. Wind becoming northwest 20 gusting to 40 late this afternoon. High 23. Humidex 30. UV index 7 or high. Tonight..Cloudy with 70 percent chance of showers. Risk of a thunderstorm early this evening. Wind northwest 30 km/h becoming light early this evening. Low 9. Sunday..Cloudy. 60 percent chance of showers in the morning. Clearing in the afternoon. Wind becoming northwest 20 km/h early in the afternoon. High 17. UV index 7 or high. Windsor - Leamington - Essex County. Today..Showers with risk of a thunderstorm. Wind southwest 20 km/h becoming light early this afternoon. Wind becoming northwest 30 late this afternoon. High 24. Humidex 30. UV index 4 or moderate. Tonight..Showers. Risk of a thunderstorm early this evening. Wind northwest 20 km/h becoming light this evening. Low 14. Sunday..Mainly cloudy. 60 percent chance of showers in the morning. Wind becoming northwest 20 km/h gusting to 40 early in the afternoon then light late in the afternoon. High 19. UV index 7 or high. Ottawa North - Kanata - Orleans. Today..Mainly cloudy. 60 percent chance of showers this afternoon with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40 becoming light this afternoon. High 27 with temperature falling to 24 this afternoon. Humidex 33. UV index 7 or high. Tonight..Mainly cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Low 14. Sunday..Cloudy. 60 percent chance of showers in the afternoon. Wind becoming northwest 20 km/h near noon. High 18. UV index 5 or moderate. Ottawa South - Richmond - Metcalfe. Today..Mainly cloudy. 60 percent chance of showers this afternoon with risk of a thunderstorm. Wind southwest 20 km/h gusting to 40 becoming light this afternoon. High 28 with temperature falling to 25 this afternoon. Humidex 35. UV index 7 or high. Tonight..Mainly cloudy. 60 percent chance of showers this evening with risk of a thunderstorm. Low 14. Sunday..Cloudy. 60 percent chance of showers in the afternoon. Wind becoming northwest 20 km/h near noon. High 18. UV index 5 or moderate. This reproduction is a copy of the version available at: https://weather.gc.ca/forecast/public_bulletins_e.html?Bulletin=fpcn11.cwto --- Mystic BBS v1.12 A48 (Raspberry Pi/32) * Origin: Northern Realms (21:3/110) .