Chicago Heights IL 10Day Weather ForecastThe atmospheric conditions for Chicago Heights are unpredictable sometimes. The weather can range from hazardous heat waves in the summer to extremely cold wintry with heavy snowfall. It's always vital being prepared for a variety of weather conditions within Chicago Heights. Stay up-to-date about current atmospheric prediction in order to prepare your activities accordingly and dress appropriately. Keep secure and enjoy the diverse weather experiences that are Chicago Heights has to offer.