Environment Canada has issued a severe thunderstorm watch for Niagara Region as southern Ontario braces for another period of ...

A severe thunderstorm watch has been issued for parts of southern Ontario. Conditions are favourable for the development of ...

Tuesday will be a day to be weather-aware in southern Ontario and pay close attention to the forecast--and the skies--as a ...

A powerful storm Tuesday evening toppled trees and power lines in Ontario, where thousands remained without power Wednesday ...

Winds surpassing 100 km/h and ping-pong ball-sized hail are in the forecast for parts of southern and eastern Ontario Tuesday.

Windsor-Essex and much of southwestern Ontario could be in for a thunderstorm Tuesday afternoon, Environment Canada says.

Environment Canada has ended the severe thunderstorm warnings and watches it had issued for the Ottawa-Gatineau region ...

The risk is expected to become more widespread in the afternoon and evening. “Many areas in southern and eastern Ontario come under the threat of these strong thunderstorms and that could generate a ...

“In the case of tornadoes, the lead time can develop in less than 10 minutes,” Lapido said, recommending people check ...

Large swathes of Ontario, including the Greater Toronto Area, could see damaging “supercell” storms this afternoon into the ...

The forecast is calling for rain and possible thunderstorms across the Greater Toronto Area and southern Ontario on Thursday.

We could see 20-30 mm of rain into cottage country and eastern Ontario, with 30-40 mm on tap through Saturday into Ottawa as ...