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Current Conditions: ALTON/ST LOUIS R

Clear


20.7 F
Last Updated on Nov 28 2025, 05:55 AM CST
Humidity: %
Wind Speed: 3.4 mph
Barometer in
Dewpoint: F
Visibility: 10.00 mi
Precip: --
Heat Index: NA
Wind Chill: 16.0 F
Current conditions at:

ALTON/ST LOUIS R (KALN)

Lat: 38.9 Lon: 90.05

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Observation History for ALTON/ST LOUIS R


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)		 Rmks
05:55 AM CST 3.4 10.00 Clear -- 20.7 % 16.0 NA M
05:35 AM CST 3.4 10.00 Clear -- 20.1 % 15.3 NA M
05:15 AM CST W 3.4 10.00 Clear -- 20.1 % 15.1 NA M
04:55 AM CST W 5.8 10.00 Clear -- 19.8 % 11.8 NA M
04:35 AM CST W 4.7 10.00 Clear -- 19.2 % 12.4 NA M
04:15 AM CST W 4.7 10.00 Clear -- 18.5 % 11.7 NA M
03:55 AM CST W 4.7 10.00 Clear -- 19.4 % 12.6 NA M
03:35 AM CST W 4.7 10.00 Clear -- 19.8 % 13.1 NA M
03:15 AM CST 3.4 10.00 Clear -- 22.1 % 17.6 NA M
02:55 AM CST NW 4.7 10.00 Clear -- 23.9 % 18.0 NA M
02:35 AM CST NW 4.7 10.00 Clear -- 25.0 % 19.2 NA M
02:15 AM CST 10.00 Clear -- NULL % NA NA M
01:55 AM CST NW 3.4 10.00 Clear -- 25.7 % 21.7 NA M
01:35 AM CST NW 4.7 10.00 Clear -- 26.1 % 20.5 NA M
01:15 AM CST NW 4.7 10.00 Clear -- 26.4 % 20.8 NA M
12:55 AM CST NW 4.7 10.00 Clear -- 26.8 % 21.2 NA M
12:35 AM CST NW 6.9 10.00 Clear -- 27.5 % 20.1 NA M
12:15 AM CST 3.4 10.00 Clear -- 27.9 % 24.1 NA M
11:55 PM CST 5.8 10.00 Clear -- 28.4 % 22.1 NA M
11:35 PM CST 5.8 10.00 Clear -- 29.1 % 23.0 NA M
11:15 PM CST 9.2 10.00 Clear -- 30.2 % 21.9 NA M
10:55 PM CST 9.2 10.00 Clear -- 31.8 % 23.9 NA M
10:35 PM CST NW 5.8 10.00 Clear -- 32.2 % 26.6 NA M
10:15 PM CST NW 8.1 10.00 Clear -- 32.7 % 25.7 NA M

Regional Weather Observation


ALTON/ST LOUIS R (KALN)

Clear
20.7 F

ST CHARLES (KSET)

Clear
23.0 F

ST LOUIS (KSTL)

Clear
21.2 F

LITCHFIELD MUNI (K3LF)

NULL
21.0 F

CAHOKIA/ST LOUIS (KCPS)

Clear
21.2 F

ST LOUIS/SPIRIT (KSUS)

Clear
17.6 F

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