South Chicago Heights IL Yearly Monthly weather forecastThe weather in Chicago Heights are varying sometimes. Weather conditions can range between hazardous heatwaves in the summer to extremely cold winters that include significant snowfall. It is constantly crucial to be prepared to face a variety of climate conditions in Chicago Heights. Stay updated about current atmospheric prediction in order to plan your daily routines appropriately and attire suitably. Keep safe and make the most of the varied meteorological experiences that Chicago Heights has to offer.