Columbia, IL Weather Forecast

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Columbia, IL Weather Forecast

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Columbia IL weather  - Mostly Cloudy - 70°F
Mostly Cloudy
70°F
Updated 6:38 am
Feels Like 70°F
Humidity 96%
Wind N 0 mph
Barometer  29.95 in
Dew Point 69°F
Columbia IL weather  - Mostly Cloudy - 21°C
Mostly Cloudy
21°C
Updated 6:38 am
Feels Like 21°C
Humidity 96%
Wind N 0 km/h
Barometer  101.4 kPa
Dew Point 21°C

Columbia Weather Forecast

TODAY TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY FRIDAY FRIDAY NIGHT SATURDAY SUNDAY
Columbia, IL Weather - Today Chance Of T-Storm Columbia, IL Weather - Tonight Mostly Cloudy Columbia, IL Weather - Tuesday Mostly Cloudy Columbia, IL Weather - Tuesday Night Partly Cloudy Columbia, IL Weather - Wednesday Mostly Sunny Columbia, IL Weather - Wednesday Night Partly Cloudy Columbia, IL Weather - Thursday Partly Cloudy Columbia, IL Weather - Friday Partly Cloudy Columbia, IL Weather - Friday Night Mostly Cloudy Columbia, IL Weather - Saturday Mostly Cloudy Columbia, IL Weather - Sunday Mostly Sunny
Chance of T-Storm Mostly Cloudy Mostly Cloudy Partly Cloudy Mostly Sunny Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Sunny
Hi: 79°FHi: 26°C
Lo: 61°FLo: 16°C Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C
Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C
Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C
Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C
Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C
Hi: 81°FHi: 27°C
POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 338 AM CDT Mon Sep 21 2026 Columbia, IL Weather - WeatherWorld.com

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Issued: 330 AM CDT Mon Sep 21 2026

Key Messages

  • Scattered showers and thunderstorms will come to an end later this morning.
  • Seasonably cool temperatures are expected for the rest of the week.

Aviation

/00Z TAFS THROUGH 06Z TUESDAY/... Issued at 1036 PM CDT Sun Sep 20 2026

Showers and a few thunderstorms will continue to affect the St. Louis area metro terminals through 07-09Z and COU/JEF through 07Z. Heavier showers and thunderstorms will have the potential to reduce ceilings and visibilities to MVFR and IFR conditions. Then mainly I...