30 Day Long Range Weather for Chicago Illinois Weather Weather conditions for Chicago Heights can be changeable from time to time. The weather can range from hazardous heat waves in the summer to extremely cold
wintry with heavy snowfall. It is constantly vital being ready to face a variety of climate conditions in Chicago Heights. Stay updated about the weather forecast to plan your activities appropriately and attire suitably. Keep secure and make the most of the varied meteorological experiences that Chicago Heights has to offer.