Environmental Possible Late-night Thunderstorms in Park Forest by Gary Kopycinski on July 7, 2014 Gary Kopycinski Author More in Environmental: Scorching Heat Grips Region. Park Forest Opens Cooling Centers. June 29, 2026 People Outside Will Be Injured: Severe Thunderstorms Strike Park Forest March 31, 2026 Park Forest Officials Urge Residents to Protect Pipes as Coldest Air of the Season Continues December 14, 2025 Park Forest, IL-(ENEWSPF)- The National Weather Service in Chicago reports that, if thunderstorms develop tonight, Park Foresters should not expect anything severe. Some thunderstorms may develop tonight, but not until late.