Weather Alert
Columbia Weather Warning NWS WEATHER ALERT FOR THE COLUMBIA, IL AREA - Issued: 251 AM CDT Wed Sep 16 2026 Columbia Weather Warning

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Columbia, IL Weather Forecast

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Columbia, IL Weather Forecast

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Columbia IL weather - Clear - 78°F
Clear
78°F
Updated 9:02 am
Feels Like 82°F
Humidity 84%
Wind ESE 6 mph
Barometer  30.23 in
Dew Point 73°F
Columbia IL weather - Clear - 26°C
Clear
26°C
Updated 9:02 am
Feels Like 28°C
Humidity 84%
Wind ESE 10 km/h
Barometer  102.4 kPa
Dew Point 23°C
WX Settings

Columbia Weather Forecast

TODAY TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT
Columbia, IL Weather - Today Chance Of T-Storm Columbia, IL Weather - Tonight Chance Of T-Storm Columbia, IL Weather - Thursday Chance Of T-Storm Columbia, IL Weather - Thursday Night Chance Of T-Storm Columbia, IL Weather - Friday Mostly Sunny Columbia, IL Weather - Friday Night Partly Cloudy Columbia, IL Weather - Saturday Partly Cloudy Columbia, IL Weather - Saturday Night Chance Of T-Storm Columbia, IL Weather - Sunday Chance Of Showers Columbia, IL Weather - Sunday Night Chance Of T-Storm Columbia, IL Weather - Monday Chance Of T-Storm Columbia, IL Weather - Monday Night Chance Of T-Storm
Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Mostly Sunny Partly Cloudy Partly Cloudy Chance of T-Storm Chance of Showers Chance of T-Storm Chance of T-Storm Chance of T-Storm
Hi: 95°FHi: 35°C
 Lo: 75°FLo: 24°C Hi: 99°FHi: 37°C
 Lo: 71°FLo: 22°C Hi: 95°FHi: 35°C
 Hi: 99°FHi: 37°C
Lo: 71°FLo: 22°C		 Hi: 99°FHi: 37°C
Lo: 71°FLo: 22°C		 Lo: 71°FLo: 22°C Hi: 95°FHi: 35°C
 Lo: 69°FLo: 21°C Hi: 89°FHi: 32°C
 Lo: 61°FLo: 16°C
POP: 30% POP: 30% POP: 20% POP: 20% POP: 20% POP: 20% POP: 30% POP: 40% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 607 AM CDT Wed Sep 16 2026 Columbia, IL Weather - WeatherWorld.com

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Issued: 654 AM CDT Wed Sep 16 2026

Key Messages

  • A late season heat wave continues through at least Friday with peak heat index values of 100-105F+ along/south of I-70.
  • Widespread showers and thunderstorms will be limited to northeast MO/west-central IL through this morning with scattered showers and sub-severe thunderstorms possible (20-30%) across the area this afternoon/evening.

Aviation

/12Z TAFS THROUGH 18Z THURSDAY/... Issued at 654 AM CDT Wed Sep 16 2026

A weak cold front has slowly moved south of all local terminals and is now...