Chicago Severe Weather July 12, 2023 7:26 pm Watch: Tornado forms over O'Hare Airport live during NBC Chicago coverage The threat of severe weather, including tornadoes and flash flooding, is rising on Wednesday afternoon, according to the National Weather Service. Local 0:33 Illinois ranks as ‘most normal state' in U.S. according to Washington Post data analysis 0:24 2 Red Lobster locations in Illinois ‘temporarily closed' 3:54 Price of Beauty: Benefits, risks both at play with trendy plastic surgeries 2:02 Vehicles targeted with antisemitic flyers in West Ridge, Chicago police say 2:02 Teens remember Glenbrook South classmate killed in crash