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 Watch is in effect for all 21 counties through 9 p.m., with forecasters warning of damaging wind gusts ...

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 ...

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

It’s been an active weather day across KELOLAND, with a large storm cell ripping through Northern Yankton County. A tornado ...

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

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

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.

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 ...