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

People in the warning area are urged to seek immediate shelter inside a sturdy building and to stay away from windows in case ...

A severe thunderstorm capable of producing a tornado was located 16 miles west of Toms River, moving east at 20 mph. Radar ...

Radar indicated potential tornadic activity over areas including Lakewood, Cassville, Pine Lake Park, Leisure Village, New ...

At 5:19 p.m. on Tuesday, the National Weather Service released a tornado warning in effect until 5:45 p.m. for Bucks and ...

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

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 ...

A tornado warning is issued for Bucks, Montgomery, Chester, and Delaware counties, and Philadelphia until 5:50 p.m.

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

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