Weather forecast for: Park Forest IL
Last Update: 2:51 pm CDT Sep 18, 2026
This Afternoon: A 50 percent chance of showers. Partly sunny, with a high near 74. East wind around 10 mph, with gusts as high as 15 mph.
Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 63. East southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Saturday: Showers and thunderstorms, mainly before 2pm. High near 79. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 67. Southeast wind around 5 mph becoming northwest after midnight. Chance of precipitation is 80%.
Sunday: Showers and possibly a thunderstorm before 4pm, then showers likely. High near 70. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 56.
Monday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Monday Night: Mostly cloudy, with a low around 53.
Tuesday: Mostly cloudy, with a high near 64.
Tuesday Night: Mostly cloudy, with a low around 53.
Wednesday: Partly sunny, with a high near 66.
Wednesday Night: Mostly cloudy, with a low around 54.
Thursday: Partly sunny, with a high near 69.
WeatherWorld.com
