Weather tomorrow Chicago Heights ILThe atmospheric conditions in Chicago Heights are varying at times. The weather can vary from extreme heatwaves in the summer to extremely cold wintry that include significant snowfall. It's consistently essential to be prepared for a variety of climate conditions within Chicago Heights. Stay up-to-date about the atmospheric prediction in order to prepare your daily routines appropriately and dress appropriately. Stay safe and enjoy the diverse weather experiences that Chicago Heights has to offer.