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 ...

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 watch has been issued for parts of northeastern Ontario as conditions become favourable for severe thunderstorms ...

Tornado watch: Twisters, large hail, 80 mph winds possible in Minnesota originally appeared on Bring Me The News. Severe ...

Tornado watch Thursday as storms intensify in southern Minnesota originally appeared on Bring Me The News. For the second day ...

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.