Excessive Heat Warning August 23, 2023 6:14 am Chicago experts warn of dangers of extreme heat Chicago experts are on high alert as an excessive heat warning will soon go into effect. Sandra Torres has more. Local 0:42 Mobile driver's licenses, ID cards could come to Illinois after House passes bill 0:47 Multiple school buses involved in interstate crash in Chicago suburb 3:07 Tuesday morning forecast 2:26 Monday night forecast: Storms possible 3:04 What spurred 6-month investigation into Chicago sex crime arrests and convictions?