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 ...

After severe weather and heavy rain on Thursday, more storms are headed for Iowa on Friday afternoon prompting a tornado ...

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 ...

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

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

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

The storm traveling east has already resulted in an evacuation order from the Harley-Davidson festival on Milwaukee's lakefront.

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