After an afternoon filled with tornado sirens, lightning strikes, torrential rain and visible cloud rotation near Iowa ...

Listen to the sirens going off at the track.

A tornado watch has been issued until 11 p.m. Friday for Cook County and most of northern Illinois. Strong storms are ...

A pair of storm chasers who bonded over their shared passion for extreme weather got engaged in front of a massive EF2 storm, ...

Severe storms and a Tornado Warning halted the IndyCar practice at Iowa Speedway Friday, sending drivers and fans scrambling ...

EDT on Saturday, the National Weather Service released a severe thunderstorm warning in effect until 1 p.m. EDT for Alcona ...

NBC's latest series, Survival Mode, recently debuted with its first episode, which revisits the deadly 2011 Missouri tornado, which took no more than 30 minutes to turn into the deadliest disaster tha ...

In the Midwest, quarter-sized hail and an isolated tornado cannot be ruled out, while in the South, flood alerts are in ...

Widespread risk of heavy rain and strong winds across Ontario as strong storms develop Saturday. A tornado threat also exists ...

A tornado that struck the southwest side of Davenport on Friday has been confirmed as an EF2, according to preliminary findings from a National Weather Service ...

A risk for thunderstorms will redevelop on Sunday as a cold front pushes into an unstable atmosphere across southern Ontario.