Three tornadoes are confirmed to have occurred in the same Ontario area last weekend. The Northern Tornadoes Project said ...

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

Several rounds of severe thunderstorms swept through northwestern Ontario during the day Sunday, first in the morning and ...

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

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

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 the afternoon to evening, multiple rounds of storms will continue to hit ...

Ontario won’t catch a break from the active weather to kick off this final weekend of July as forecasters look at multiple ...

A severe thunderstorm in Ontario led to multiple emergencies Saturday evening, including a fallen tree that injured one ...

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

Severe weather researchers say a weak tornado touched down in a community north of London, Ont., on Monday afternoon.