Weather forecast for: Mount Olive IL
Last Update: 5:46 am CDT Sep 21, 2026
Today: A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm. Patchy fog between 7am and 8am. Otherwise, cloudy, with a high near 72. Northeast wind 5 to 8 mph. Chance of precipitation is 40%.
Tonight: Mostly cloudy, with a low around 58. Northeast wind 6 to 9 mph.
Tuesday: Mostly cloudy, with a high near 71. Northeast wind 7 to 10 mph.
Tuesday Night: Partly cloudy, with a low around 52. Northeast wind 5 to 10 mph.
Wednesday: Mostly sunny, with a high near 73. North wind 6 to 10 mph.
Wednesday Night: Partly cloudy, with a low around 52.
Thursday: Mostly sunny, with a high near 74.
Thursday Night: Partly cloudy, with a low around 53.
Friday: Mostly sunny, with a high near 75.
Friday Night: Partly cloudy, with a low around 53.
Saturday: Partly sunny, with a high near 75.
Saturday Night: Mostly cloudy, with a low around 54.
Sunday: Mostly sunny, with a high near 81.
WeatherWorld.com
