Weather forecast for: Flossmoor IL
Last Update: 1:55 pm CDT Sep 21, 2026
This Afternoon: A 20 percent chance of showers before 4pm. Cloudy, with a high near 63. Northeast wind around 15 mph, with gusts as high as 20 mph.
Tonight: Mostly cloudy, with a low around 54. East northeast wind around 10 mph, with gusts as high as 15 mph.
Tuesday: Mostly cloudy, with a high near 62. Northeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night: Mostly cloudy, with a low around 55. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday: Mostly cloudy, with a high near 66. Northeast wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night: Mostly cloudy, with a low around 54.
Thursday: Partly sunny, with a high near 68.
Thursday Night: Mostly cloudy, with a low around 53.
Friday: Mostly sunny, with a high near 67.
Friday Night: Partly cloudy, with a low around 51.
Saturday: Partly sunny, with a high near 67.
Saturday Night: Mostly cloudy, with a low around 53.
Sunday: Partly sunny, with a high near 71.