CHICAGO (CBS) — The National Weather Service has issued flood warnings for several counties around Illinois.

More than 300 flights were cancelled at O’Hare airport and other flights were delayed. Midway reports 15 flights were cancelled due to inclement weather.

READ MORE: Chicago Police Officer Shot, Wounded In Calumet Heights; One Suspect Also Shot

Flood warnings are in effect in Cook and DuPage Counties until 9:30 p.m.

Grundy and Will Counties have a flood warning in effect until 9:45 p.m.

Car under water on a street in Schaumburg after torrential downpour. (Credit: Konstantinos Gus Markakos)

READ MORE: Chicago Weather: Partly Cloudy And Breezy Overnight

Jeffrey Lawnicki of Elgin tweeted a picture of a flooded neighborhood in Elgin, Illinois.

Flooded subdivisions, neighborhoods, and roads were reported across the Chicagoland area after fast moving storms blew through the area.

Storm drains were overwhelmed in Schaumburg, where heavy rains also wreaked havoc during the evening rush hour.

Tow trucks were spotted hauling several cars.

MORE NEWS: View Live Radar

The National Weather Service is warning of the possibility of some tornado activity.

Steve Maviano spotted a double rainbow in Chicago’s Logan Square neighborhood.

Double rainbow spotted in Logan Square. (Credit: Steve Maviano)