A strong supercell thunderstorm that crossed parts of southwestern Ontario on Saturday produced three separate tornadoes in ...

Environment Canada issued tornado and severe thunderstorm warnings for parts of northwestern Ontario on Sunday.

Farther north, a cold front over far northwestern Ontario will force the development of several rounds of additional ...

Severe storms swept across Ontario Thursday, cutting power to thousands and toppling trees and power lines. Officials are ...

Large hail is expected to be the biggest threat, ranging from the size of a loonie to a ping pong ball-sized hail. Between ...

Parts of southern Ontario could get severe thunderstorms with a risk of a tornado on Thursday. While the heat warning ...

Thursday is shaping up to be the most active day of the week for severe weather potential in Ontario and Quebec, with a ...

You could get into some heavy downpours, especially through those (southwestern) areas,” an Environment Canada meteorologist ...

Environment Canada updates that conditions are favourable for the development of dangerous thunderstorms that may be capable ...

Folks in southern Ontario will see multiple opportunities for thunderstorms during the day Saturday, a few of which could ...

Ontario recorded its first tornado of 2023 in Talbotville on Tuesday evening, a late start to the season which typically begins in May but sometimes as early as March. SKIP TO MAIN CONTENT.

Ontario's ongoing severe storm threats this week will be on the move Wednesday and Thursday, shifting farther south and east ...