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 ...

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.

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

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

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 ...

Palou’s victory in the second race of Iowa Speedway doubleheader Sunday has him closing the door a bit more on the rest of ...

Here's what you need to know about IndyCar Race Weekend at the Iowa Speedway, including the schedule of events.

Spectators of the INDYCAR race at Iowa Speedway were forced to take shelter during a tornado warning on Friday. A message ...

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