30 Day Long Range Weather for Chicago Illinois Weather Weather conditions for Chicago Heights can be fluctuating occasionally. Weather conditions can range from extreme heatwaves in the summer to extremely cold wintry with heavy snowfall. It's consistently important being prepared for a variety of weather conditions in Chicago Heights. Stay informed about current atmospheric prediction to plan your
daily routines appropriately and attire appropriately. Keep secure and make the most of the diverse meteorological experiences that Chicago Heights has to offer.