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 ...

Summer in Ontario may bring with it warm weather, but last week's tornado in Lucan is a reminder that it’s also tornado ...

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

Three videos captured by eyewitnesses show a suspected tornado as it moved through southwestern Ontario over the weekend. Tom ...

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

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

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

Ontario should be hitting hotter temperatures in the low 30s later this week and with it the chance of torrential rain and ...

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

A multi-day stretch of severe weather is setting up for northwestern Ontario, with the potential for heavy rain, large hail ...

Three tornadoes touched down in Ontario on the coastline of Lake Huron over the weekend, according to the Northern Tornadoes Project.