Weather forecast for: Oak Forest IL
Last Update: 9:17 am CDT Sep 30, 2026
Today: Showers. High near 67. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight: Showers likely, mainly after 2am. Cloudy, with a low around 65. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday: Showers likely, then showers and possibly a thunderstorm after 10am. High near 73. South southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night: Showers. Low around 58. West wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 80%.
Friday: Mostly sunny, with a high near 65. North wind around 10 mph, with gusts as high as 15 mph.
Friday Night: Mostly clear, with a low around 49.
Saturday: Sunny, with a high near 66.
Saturday Night: Partly cloudy, with a low around 49.
Sunday: Sunny, with a high near 68.
Sunday Night: Mostly clear, with a low around 47.
Monday: Sunny, with a high near 61.
Monday Night: Mostly clear, with a low around 43.
Tuesday: Sunny, with a high near 63.