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Current Conditions: ALTON/ST LOUIS R

Clear


37.9 F
Last Updated on Jan 12 2026, 11:15 PM CST
Humidity: %
Wind Speed: 8.1 mph
Barometer in
Dewpoint: F
Visibility: 10.00 mi
Precip: --
Heat Index: NA
Wind Chill: 32.0 F
Current conditions at:

ALTON/ST LOUIS R (KALN)

Lat: 38.89 Lon: 90.03

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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
11:15 PM CST 8.1 10.00 Clear -- 37.9 % 32.0 NA M
10:55 PM CST S 4.7 10.00 Clear -- 40.5 % 37.2 NA M
10:35 PM CST 8.1 10.00 Clear -- 40.3 % 34.9 NA M
10:15 PM CST 8.1 10.00 Clear -- 39.7 % 34.2 NA M
09:50 PM CST 9.2 10.00 Clear -- 39.2 % 33.1 NA M
08:50 PM CST S 8.1 10.00 Clear -- 41.0 % 35.8 NA M
07:50 PM CST 3.4 10.00 Clear -- 41.0 % 39.0 NA M
06:50 PM CST 3.4 10.00 Clear -- 41.0 % 39.0 NA M
05:50 PM CST 5.8 10.00 Clear -- 48.2 % 45.7 NA M
04:50 PM CST 4.7 10.00 Clear -- 53.6 % NA NA M
03:50 PM CST 8.1 10.00 Clear -- 53.6 % NA NA M
02:50 PM CST S 8.1 10.00 Clear -- 53.6 % NA NA M
01:50 PM CST 11.4 10.00 Clear -- 51.8 % NA NA M
12:50 PM CST 9.2 10.00 Clear -- 50.0 % NA NA M
11:45 AM CST SW 11.4 10.00 Clear -- 48.2 % 43.3 NA M
10:45 AM CST 8.1 10.00 Clear -- 42.8 % 37.9 NA M
09:45 AM CST 9.2 10.00 Clear -- 39.2 % 33.1 NA M
08:45 AM CST 9.2 10.00 Clear -- 33.8 % 26.4 NA M
07:45 AM CST 10.3 10.00 Clear -- 28.4 % 19.0 NA M
06:45 AM CST S 10.3 10.00 Clear -- 28.4 % 19.0 NA M
06:35 AM CST S 5.8 10.00 Clear -- 27.9 % 21.4 NA M
06:15 AM CST S 5.7 10.00 Clear -- 27.5 % 21.0 NA M
05:55 AM CST S 8.1 10.00 NULL -- 27.5 % 19.4 NA M
05:35 AM CST S 4.7 10.00 Clear -- 27.7 % 22.3 NA M

Regional Weather Observation


ALTON/ST LOUIS R (KALN)

Clear
37.9 F

ST CHARLES (KSET)

Clear
NULL F

ST LOUIS (KSTL)

Clear
44.6 F

LITCHFIELD MUNI (K3LF)

Clear
33.8 F

JACKSONVILLE (KIJX)

Clear
39.4 F

ST LOUIS/SPIRIT (KSUS)

Clear
NULL F

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