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

Rain can spoil a day at the racetrack, but IndyCar fans were treated to much more than just a simple rain shower on Friday ...

Eyewitness captures moment in which a tornado warning interrupts IndyCar practice at Iowa Speedway in Newton. Video credit: ...

This means that instead of receiving a tornado warning just 15 minutes before a storm strikes, residents could get up to two ...

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

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

Listen to the sirens going off at the track.

A tornado warning has been issued for part of southeast Wisconsin until 7:30 p.m. The watch is currently for Jefferson County ...

The National Weather Service has issued a tornado warning for Newton, including the Iowa Speedway on Friday, July 11. The ...

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

The National Weather Service has placed much of the region under a Tornado Watch through 11 p.m. Friday.

A nearly two-year evaluation of NWS performance on tornado forecasting concluded that the agency, which faces mounting ...