62239 Weather (Columbia, IL)

Weather forecast for: Columbia IL

Last Update: 6:21 pm CDT Sep 11, 2026

Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and midnight. Patchy fog after 2am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 68. Light and variable wind. Chance of precipitation is 30%.

Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 91. Calm wind becoming west around 6 mph in the morning.

Saturday Night: Partly cloudy, with a low around 69. Light and variable wind.

Sunday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 20%.

Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. East wind around 6 mph.

Monday: Mostly sunny, with a high near 90.

Monday Night: Mostly clear, with a low around 69.

Tuesday: Sunny, with a high near 95.

Tuesday Night: Partly cloudy, with a low around 70.

Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 94. Chance of precipitation is 20%.

Wednesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

Thursday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

Thursday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.

Friday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.