Weather Forecast for Chicago Heights Tomorrow WeatherloocomThe atmospheric conditions for Chicago Heights are unpredictable at times. The weather can vary from hazardous heatwaves in the summer to bitterly cold wintry with heavy snowfall. It's consistently important to be ready for any climate conditions in Chicago Heights. Remain updated about the weather prediction to plan your daily routines accordingly and dress appropriately. Stay secure and enjoy the varied weather experiences that are Chicago Heights has to offer.