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.

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

The Quad Cities branch of the NWS determined that at least an EF2 tornado touched down in southwest Davenport on Friday around 5 p.m., maintaining 100 to 120 mph winds for much of its 7.2-mile path ...

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.

National Weather Service data shows at least two tornadoes formed in Iowa Friday. The pair of twisters touched down on ...

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 ...

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

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