Columbia, IL Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Columbia, IL.

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Current Conditions — Columbia, IL

ST LOUIS (KSTL)

NULL

62.6 F
Humidity:68%
Wind Speed: 6.9 mph
Barometer:30.07 in
Dewpoint:51.8 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 07:45 AM CDT
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5-Day Forecast — Columbia, IL

Wednesday

High 80 °F
Partly Sunny
Wednesday
Night
Low 57 °F
Mostly Clear
Thursday

High 82 °F
Partly Sunny
Thursday
Night
Low 64 °F
T-storms Likely
Friday

High 77 °F
T-storms
Friday
Night
Low 57 °F
Chance of Rain
Saturday

High 77 °F
Partly Sunny
Saturday
Night
Low 53 °F
Slight Chance of Showers
Sunday

High 77 °F
Isolated T-storm

Detailed Forecast — Columbia, IL

Wednesday
Partly Sunny. High near 80°F. Wind 6 to 8 mph, with gusts as high as 14 mph.
Wednesday Night
Mostly Clear. Low around 57°F. Wind around 6 mph, with gusts as high as 13 mph.
Thursday
Partly Sunny. High near 82°F. Wind 8 to 15 mph, with gusts as high as 26 mph.
Thursday Night
Thunderstorms Likely. Low around 64°F. Wind 10 to 12 mph, with gusts as high as 21 mph.
Friday
Thunderstorms. High near 77°F. Wind 6 to 12 mph, with gusts as high as 20 mph.
Friday Night
Chance of Rain. Low around 57°F. Wind around 3 mph, with gusts as high as 8 mph.
Saturday
Partly Sunny. High near 77°F. Wind 5 to 7 mph, with gusts as high as 12 mph.
Saturday Night
Slight Chance of Showers. Low around 53°F. Wind around 5 mph, with gusts as high as 9 mph.
Sunday
Isolated T-storm. High near 77°F. Wind around 10 mph, with gusts as high as 17 mph.
Sunday Night
Thunderstorms Likely. Low around 60°F. Wind around 12 mph, with gusts as high as 21 mph.
Monday
Thunderstorms Likely. High near 78°F. Wind 13 to 14 mph, with gusts as high as 23 mph.
Monday Night
Chance of Showers. Low around 53°F. Wind around 10 mph, with gusts as high as 17 mph.
Tuesday
Partly Sunny. High near 73°F. Wind 7 to 12 mph, with gusts as high as 17 mph.
IL Radar
Current Radar • IL
Day 1 Outlook • April 22, 2026

Observation History — Columbia, IL

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
07:45 AM CDT 6.9 10.00 NULL -- 62.6 51.8 68% NA NA 30.07 1018.3
07:35 AM CDT 6.9 10.00 Clear -- 62.6 51.8 68% NA NA 30.08 1018.6
07:30 AM CDT 9.2 10.00 Clear -- 62.6 51.8 68% NA NA 30.07 1018.3
07:20 AM CDT SW 6.9 10.00 Clear -- 62.6 51.8 68% NA NA 30.07 1018.3
07:15 AM CDT SW 6.9 10.00 Clear -- 62.6 51.8 68% NA NA 30.07 1018.3
07:10 AM CDT 8.1 10.00 Clear -- 60.8 51.8 72% NA NA 30.07 1018.3
07:00 AM CDT 8.1 10.00 Clear -- 60.8 51.8 72% NA NA 30.07 1018.3
06:50 AM CDT 8.1 10.00 NULL -- 60.8 51.8 72% NA NA 30.07 1018.3
06:35 AM CDT SW 6.9 10.00 Clear -- 60.8 51.8 72% NA NA 30.07 1018.3
06:30 AM CDT SW 5.7 10.00 Clear -- 60.8 51.8 72% NA NA 30.07 1018.3
06:20 AM CDT 4.6 10.00 Clear -- 60.8 51.8 72% NA NA 30.06 1017.9
06:10 AM CDT W 6.9 10.00 Clear -- 60.8 51.8 72% NA NA 30.06 1017.9
06:05 AM CDT W 8.1 10.00 Clear -- 60.8 51.8 72% NA NA 30.06 1017.9
06:00 AM CDT 8.1 10.00 Clear -- 60.8 50.0 68% NA NA 30.06 1017.9
05:45 AM CDT W 11.5 10.00 Clear -- 62.6 51.8 68% NA NA 30.06 1017.9
05:35 AM CDT 9.2 10.00 Clear -- 62.6 51.8 68% NA NA 30.06 1017.9
05:20 AM CDT 5.7 10.00 Clear -- 60.8 51.8 72% NA NA 30.05 1017.6
05:10 AM CDT 5.7 10.00 Clear -- 60.8 51.8 72% NA NA 30.05 1017.6
05:05 AM CDT 8.1 10.00 Clear -- 60.8 51.8 72% NA NA 30.05 1017.6
05:00 AM CDT 8.1 10.00 Clear -- 60.8 51.8 72% NA NA 30.05 1017.6
04:50 AM CDT SW 8.1 10.00 Clear -- 62.6 51.8 68% NA NA 30.05 1017.6
04:35 AM CDT SW 8.1 10.00 Clear -- 62.6 53.6 72% NA NA 30.05 1017.6
04:30 AM CDT SW 9.2 10.00 Clear -- 62.6 53.6 72% NA NA 30.05 1017.6
04:25 AM CDT SW 8.1 10.00 Clear -- 62.6 53.6 72% NA NA 30.05 1017.6

Regional Weather Observation

ST LOUIS (KSTL)

NULL
62.6 F

ST CHARLES (KSET)

Clear
60.8 F

CAHOKIA/ST LOUIS (KCPS)

Clear
60.8 F

ST LOUIS/SPIRIT (KSUS)

Clear
60.8 F

ALTON/ST LOUIS R (KALN)

Clear
60.8 F

SCOTT AFB/BELLEV (KBLV)

Clear
54.9 F
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