CHICAGO — Hundreds of flights were canceled Wednesday due to severe storms, and a flood warning was issued for parts of Cook County, officials said.
What's more, heavy thunderstorms are expected to continue Thursday, with rainfall totals approaching four inches in northern Illinois, the National Weather Service said.
The flood warning, put into effect Wednesday night, lasts through noon Thursday, according to the National Weather Service, and covers waterways such as the Des Plaines River in Cook County, but officials cautioned drivers against crossing flooded roadways.
More than 300 flights were canceled at O'Hare Airport due to severe storms, according to the Chicago Department of Aviation.
A "few" flights were canceled at Midway, where delays were averaging 30 minutes or more as of 3:30 p.m. Delays at O'Hare were averaging an hour or more, according to the department of aviation.