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 ...

Severe thunderstorms are expected to bubble up first near Dryden, Ignace, and Fort Frances. These initial storms will pose a ...

NBC’s new series “Survival Mode” featured a story about the 2011 Joplin, Missouri, tornado that killed 161 people and injured over 1,000 residents.

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

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

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

Environment Canada's tornado warning for eastern Ontario has ended. From about 3:20 until 4 p.m. the agency said a severe ...

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 ...

Take cover, a tornado warning was issued by the National Weather Service in Mount Holly on Tuesday, July 1, from 4:47 p.m.