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Hazardous Weather Conditions

No active alerts for COLLINSVILLE, ILLINOIS

Current Conditions: COLLINSVILLE, ILLINOIS

Clear


32.0 F
Last Updated on Feb 28 2026, 11:15 PM CST
Humidity: %
Wind Speed: 12.7 G 23.0 mph
Barometer: in
Dewpoint: F
Visibility: 10.00 mi
Precip: --
Heat Index: NA
Wind Chill: 22.5 F
Current conditions at:

ALTON/ST LOUIS R (KALN)

Lat: 38.89 Lon: -90.03

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5 Day Forecast for COLLINSVILLE, ILLINOIS (62234)

Saturday
Rain/Snow Mix
High 66 °F
Saturday
Night
Partly Cloudy
Low 30 °F
Sunday
Slight Chance of Rain
High 46 °F
Sunday
Night
Snow Likely
Low 35 °F
Monday
Chance of Rain
High 44 °F
Monday
Night
T-storms
Low 41 °F
Tuesday
T-storms
High 64 °F
Tuesday
Night
T-storms
Low 55 °F
Wednesday
T-storms
High 68 °F



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Observation History for COLLINSVILLE, ILLINOIS


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)
11:15 PM CST 12.7 G 23.0 10.00 Clear -- 32.0 % 22.5 NA M
10:55 PM CST 13.9 G 20.8 10.00 Clear -- 33.1 % 23.4 NA M
10:35 PM CST 9.2 G 19.7 10.00 Partly Cloudy -- 35.2 % 28.2 NA M
10:15 PM CST 10.3 G 17.2 10.00 Mostly Cloudy -- 37.0 % 29.8 NA M
09:50 PM CST 19.7 G 30.0 10.00 Partly Cloudy and Windy -- 39.2 % 29.5 NA M
08:50 PM CST 17.2 10.00 Cloudy -- 46.4 % 39.6 NA M
07:50 PM CST 16.1 G 21.9 10.00 Mostly Cloudy -- 53.6 % NA NA M
06:50 PM CST 9.2 10.00 Cloudy -- 55.4 % NA NA M
05:50 PM CST 3.4 10.00 Mostly Cloudy -- 59.0 % NA NA M
04:50 PM CST 4.7 10.00 Mostly Cloudy -- 60.8 % NA NA M
03:50 PM CST 6.9 10.00 Clear -- 62.6 % NA NA M
02:50 PM CST 9.2 10.00 Clear -- 62.6 % NA NA M
11:45 AM CST 6.9 10.00 Clear -- 59.0 % NA NA M
10:45 AM CST 5.8 10.00 Clear -- 55.4 % NA NA M
09:45 AM CST E 10.4 10.00 Clear -- 51.8 % NA NA M
08:45 AM CST NE 6.9 10.00 Clear -- 48.2 % 45.1 NA M
07:45 AM CST 5.8 10.00 Partly Cloudy -- 39.2 % 34.9 NA M
06:50 AM CST 4.7 10.00 Partly Cloudy -- 37.4 % 33.6 NA M
06:35 AM CST 0.0 10.00 Mostly Cloudy -- 38.1 % NA NA M
06:15 AM CST 0.0 10.00 Clear -- 39.0 % NA NA M
05:55 AM CST 0.0 10.00 Clear -- 40.3 % NA NA M
05:35 AM CST 3.4 10.00 Clear -- 40.6 % 38.7 NA M
05:15 AM CST 10.00 Clear -- NULL % NA NA M
04:55 AM CST 0.0 10.00 Clear -- 41.5 % NA NA M

Regional Weather Observation

ALTON/ST LOUIS R (KALN)

Clear
32.0 F

ST CHARLES (KSET)

Clear
35.6 F

ST LOUIS (KSTL)

Clear
37.4 F

CAHOKIA/ST LOUIS (KCPS)

Clear
41.0 F

ST LOUIS/SPIRIT (KSUS)

Clear
39.2 F

SCOTT AFB/BELLEV (KBLV)

Clear
39.0 F

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