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.

Heavy rain caused flooding issues in Ames and rotation was observed in clouds around the Iowa Speedway in Newton as the area ...

A tornado warning has been issued for Savant Lake and Sturgeon Lake in northwestern Ontario. Here's the latest from ...

A tornado warning for southeastern Guthrie County was allowed to expire as planned for 12:15 a.m. Friday. According to the ...

Drivers and teams captured photos and videos of the storm making its way through the area. IndyCar reporters said tornado ...

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

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

The National Weather Service issues a Severe Thunderstorm Warning for Dodge, Jefferson, and Waukesha Counties until 8:00 ...

The National Weather Service issues a Severe Thunderstorm Warning for Walworth, Jefferson, and Waukesha Counties until ...

Strong thunderstorms are expected to develop in the early to mid-afternoon hours and continue through the evening across ...