Weather Forecast for Chicago Heights Tomorrow WeatherloocomThe atmospheric conditions in Chicago Heights are fluctuating at times. Weather conditions can vary between hazardous heat waves in the summer to bitterly cold wintry with heavy snowfall. It's always important being prepared to face any climate conditions within Chicago Heights. Stay updated about current weather prediction to plan your daily routines appropriately and dress appropriately. Stay secure and enjoy the diverse weather experiences that are Chicago Heights has to offer.