62236 Weather (Columbia, IL)

Weather forecast for: Columbia IL

Last Update: 5:46 pm CDT Sep 15, 2026

Tonight: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%.

Wednesday Night: A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 76. Light and variable wind.

Thursday: Sunny and hot, with a high near 98. Heat index values as high as 106. Light and variable wind becoming southwest around 5 mph.

Thursday Night: Partly cloudy, with a low around 74. Calm wind.

Friday: Sunny and hot, with a high near 97.

Friday Night: Partly cloudy, with a low around 73.

Saturday: Mostly sunny and hot, with a high near 97.

Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 72.

Sunday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.

Sunday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

Monday: A 40 percent chance of showers. Partly sunny, with a high near 83.

Monday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 63.

Tuesday: Mostly sunny, with a high near 81.