<p>Flash-flood warnings were in place for large parts of Illinois in and around Chicago on Wednesday, July 12. Heavy rain overnight triggered flash flooding for much of the region</a>.</p><p>This video shows the storm clouds rolling over O’Hare International Airport in Chicago. The storms canceled hundreds of flights</a> at the airport. Delays were up to 45 minutes by late Wednesday afternoon. Credit: Facebook/Matthew Wheeler via Storyful</p><br />
