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

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

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

Listen to the sirens going off at the track.

Visible funnel clouds near the track ensure IndyCar drivers will not be playing ‘Twister’ in practice today at the Iowa ...

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

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

Severe weather disrupted events at the Iowa Speedway in Newton on Friday as tornado sirens sounded and fans were told to take ...

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

Severe thunderstorms rolled across the Midwest Friday, bringing rounds of damaging wind gusts, torrential rains and even a ...

Stormy weather and tornado warnings has caused IndyCar to reschedule the weekend after it was forced to cancel sessions on ...