Subj : Southern Ontario Weather To : All From : Northern Realms Date : Fri May 20 2022 05:05:08 FPCN11 CWTO 200900 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 5:00 a.m. EDT Friday 20 May 2022 for today and Saturday. The next scheduled forecast will be issued at 11:00 a.m. EDT. City of Toronto. Today..A mix of sun and cloud. 30 percent chance of showers early this afternoon. Wind becoming southwest 30 km/h gusting to 50 this morning. High 25. Humidex 32. UV index 8 or very high. Tonight..Mainly cloudy. 30 percent chance of showers overnight. Low 20. Saturday..A mix of sun and cloud. 30 percent chance of showers early in the morning. Wind southwest 30 km/h. High 25. Humidex 31. UV index 9 or very high. City of Hamilton. Today..A mix of sun and cloud. 30 percent chance of showers late this morning with risk of a thunderstorm. Wind becoming southwest 40 km/h gusting to 60 this morning. High 23. Humidex 31. UV index 9 or very high. Tonight..Partly cloudy. Wind southwest 20 km/h gusting to 40 becoming light near midnight. Wind becoming southwest 20 gusting to 40 before morning. Temperature steady near 22. Saturday..Sunny in the morning and early in the afternoon then a mix of sun and cloud with 30 percent chance of showers late in the afternoon. Risk of a thunderstorm late in the afternoon. Wind southwest 30 km/h. High 28. Humidex 35. UV index 9 or very high. Niagara Falls - Welland - Southern Niagara Region. Today..Sunny early this morning then a mix of sun and cloud with 30 percent chance of showers late this morning and early this afternoon. Risk of a thunderstorm late this morning and early this afternoon. Wind becoming southwest 40 km/h gusting to 60 late this morning then diminishing to 20 gusting to 40 this afternoon. High 24. Humidex 30. UV index 9 or very high. Tonight..Mainly cloudy. Wind southwest 20 km/h gusting to 40 becoming light this evening. Temperature steady near 21. Saturday..Sunny in the morning and early in the afternoon then a mix of sun and cloud with 40 percent chance of showers late in the afternoon. Risk of a thunderstorm late in the afternoon. Wind southwest 30 km/h becoming light in the afternoon. High 29. Humidex 36. UV index 9 or very high. Kitchener - Cambridge - Region of Waterloo. Today..A mix of sun and cloud. 30 percent chance of showers early this morning. Wind becoming southwest 30 km/h gusting to 50 late this morning. High 25. Humidex 33. UV index 9 or very high. Tonight..Mainly cloudy. 40 percent chance of showers late this evening and overnight with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50 becoming light near midnight. Low 19. Saturday..A mix of sun and cloud. 40 percent chance of showers early in the morning with risk of a thunderstorm. Wind southwest 40 km/h gusting to 60. High 25. Humidex 31. UV index 9 or very high. London - Parkhill - Eastern Middlesex County. Today..A mix of sun and cloud. 40 percent chance of showers early this morning with risk of a thunderstorm. Wind becoming southwest 30 km/h gusting to 60 this morning. High 27. Humidex 35. UV index 9 or very high. Tonight..Mainly cloudy. 40 percent chance of showers overnight with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50 becoming light late this evening. Low 20. Saturday..A mix of sun and cloud. 40 percent chance of showers early in the morning. 60 percent chance of showers late in the afternoon. Risk of a thunderstorm. Wind southwest 40 km/h gusting to 60. High 27. Humidex 34. UV index 9 or very high. Windsor - Leamington - Essex County. Today..A mix of sun and cloud. 40 percent chance of showers early this morning with risk of a thunderstorm. Wind south 20 km/h gusting to 60 becoming southwest 40 gusting to 80 near noon. High 30. Humidex 38. UV index 9 or very high. Tonight..Partly cloudy. 30 percent chance of showers overnight with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50 becoming light late this evening. Low 22. Saturday..A mix of sun and cloud with 60 percent chance of showers. Risk of a thunderstorm. Wind southwest 30 km/h. High 28. Humidex 35. UV index 9 or very high. Ottawa North - Kanata - Orleans. Today..A mix of sun and cloud. Fog patches dissipating early this morning. Wind becoming south 20 km/h gusting to 40 this morning. High 28. Humidex 33. UV index 8 or very high. Tonight..Cloudy. 30 percent chance of showers overnight with risk of a thunderstorm. Wind south 30 km/h gusting to 50 becoming light late this evening. Low 20. Saturday..A mix of sun and cloud with 30 percent chance of showers early in the morning then sunny. Wind becoming southwest 30 km/h in the morning. High 27. Humidex 32. UV index 9 or very high. Ottawa South - Richmond - Metcalfe. Today..A mix of sun and cloud. Fog patches dissipating early this morning. Wind becoming south 20 km/h gusting to 40 late this morning. High 28. Humidex 33. UV index 8 or very high. Tonight..Cloudy. 30 percent chance of showers overnight with risk of a thunderstorm. Wind south 30 km/h gusting to 50 becoming light late this evening. Low 20. Saturday..A mix of sun and cloud with 30 percent chance of showers early in the morning then sunny. Wind becoming southwest 30 km/h in the morning. High 27. Humidex 32. UV index 9 or very high. 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) .