A tornado warning, replete with threatening funnel clouds, made IndyCar drivers' weekend at Iowa Speedway extra memorable.

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

Cooler air surging south across the state has confined the severe weather risk to mainly far southern and southeast Iowa.

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

Chad Hahn, warning coordination meteorologist at the National Weather Service, also confirmed a tornado did not touch down in ...

Listen to the sirens going off at the track.

A confirmed large and extremely dangerous tornado has been tracked near Mazomanie, Wisconsin, which is approximately 12 miles ...

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

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

Iowa faced severe weather. Tornado and flash flood warnings were issued. Clarke and Taylor Counties had tornado warnings. A ...

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

A tornado warning had been issued Sunday afternoon for a portion of northeast Iowa has expired.According to the National Weather Service in Des Moines, a radar-indicated rotation was spotted near ...