A massive tornado intercepted by a storm chaser in South Dakota was seen twisting and transforming right before him.

3:21 p.m. EDT - A tornado watch is in effect across portions of northern Ontario amid a severe storm threat on Saturday ...

Crews are out Tuesday morning cleaning up debris after a possible tornado affected parts of Seneca County and Ontario County.

More than 150 died when a twister tore through Joplin in 2011, making it the deadliest tornado in the last seven decades.

4:18 p.m. CDT - A tornado watch remains in effect across portions of northern Ontario as a line of severe thunderstorms moves ...

A tornado watch has been issued for some parts of central Alberta due to severe thunderstorms popping up Wednesday afternoon.

Severe storms may bring large hail, strong winds and a low tornado threat to Alberta mid-week. Alberta's heat wave is peaking ...

There is a severe thunderstorm warning for communities from Arden to Carleton Place. Hazards include heavy rain, lightning ...

There are so many ways that we can get weather alerts directly to us. But, sometimes some of those services don’t always ...

On Tuesday at 5:02 p.m. the National Weather Service issued an updated tornado warning in effect until 5:15 p.m. for Berks ...