South Chicago Heights IL Yearly Monthly weather forecastThe climate for Chicago Heights are unpredictable at times. The weather can range between extreme heatwaves in the summer to bitterly cold wintry that include significant snowfall. It's always crucial being prepared for any weather conditions within Chicago Heights. Stay up-to-date about current atmospheric prediction in order to plan your daily routines appropriately and attire appropriately. Keep safe and make the most of the varied weather experiences that Chicago Heights has to offer.