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Hazardous Weather Conditions

Winter Weather Advisory issued March 1 at 1:34AM CST until March 2 at 6:00AM CST

Current Conditions: WEST COUNTY, MISSOURI

Clear


26.6 F
Last Updated on Mar 1 2026, 07:35 AM CST
Humidity: 80%
Wind Speed: mph
Barometer: 30.36 in
Dewpoint: 21.2 F
Visibility: 10.00 mi
Precip: --
Heat Index: NA
Wind Chill: NA
Current conditions at:

ST CHARLES (KSET)

Lat: 38.93 Lon: -90.41

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5 Day Forecast for WEST COUNTY, MISSOURI (63146)

Sunday
Slight Chance of Rain
High 48 °F
Sunday
Night
Forecast Missing
Low 33 °F
Monday
Chance of Rain
High 48 °F
Monday
Night
Rain
Low 42 °F
Tuesday
Rain
High 64 °F
Tuesday
Night
T-storms Likely
Low 57 °F
Wednesday
T-storms
High 68 °F
Wednesday
Night
Rain Likely
Low 51 °F
Thursday
Scattered T-storms Likely
High 71 °F



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Observation History for WEST COUNTY, MISSOURI


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)
07:35 AM CST 10.00 Clear -- 26.6 21.2 80% NA NA 30.36 1028.1
07:30 AM CST G 21.9 10.00 Clear -- 26.6 21.2 80% NA NA 30.36 1028.1
07:20 AM CST 13.8 10.00 Clear -- 26.6 21.2 80% 15.1 NA 30.35 1027.8
07:10 AM CST 12.7 10.00 Clear -- 26.6 19.4 74% 15.6 NA 30.35 1027.8
07:00 AM CST 12.7 10.00 Clear -- 26.6 19.4 74% 15.6 NA 30.35 1027.8
06:40 AM CST 13.8 10.00 Clear -- 26.6 19.4 74% 15.1 NA 30.34 1027.4
06:35 AM CST 12.7 10.00 Clear -- 26.6 19.4 74% 15.6 NA 30.34 1027.4
06:30 AM CST 11.5 10.00 Clear -- 26.6 19.4 74% 16.2 NA 30.33 1027.1
06:20 AM CST 12.7 10.00 Clear -- 26.6 19.4 74% 15.6 NA 30.33 1027.1
06:15 AM CST 13.8 10.00 Clear -- 26.6 19.4 74% 15.1 NA 30.33 1027.1
06:10 AM CST 15.0 10.00 Clear -- 26.6 19.4 74% 14.7 NA 30.33 1027.1
06:05 AM CST 11.5 10.00 Clear -- 26.6 19.4 74% 16.2 NA 30.33 1027.1
06:00 AM CST 11.5 10.00 Clear -- 26.6 19.4 74% 16.2 NA 30.33 1027.1
05:40 AM CST 10.4 10.00 Clear -- 26.6 19.4 74% 16.9 NA 30.33 1027.1
05:35 AM CST 11.5 10.00 Clear -- 26.6 19.4 74% 16.2 NA 30.32 1026.8
05:30 AM CST 10.4 10.00 Clear -- 26.6 19.4 74% 16.9 NA 30.32 1026.8
05:20 AM CST 10.4 10.00 Clear -- 26.6 19.4 74% 16.9 NA 30.32 1026.8
05:10 AM CST 11.5 10.00 Clear -- 26.6 19.4 74% 16.2 NA 30.31 1026.4
05:05 AM CST 12.7 10.00 Clear -- 26.6 19.4 74% 15.6 NA 30.31 1026.4
04:50 AM CST 10.4 10.00 Clear -- 26.6 19.4 74% 16.9 NA 30.30 1026.1
04:45 AM CST 11.5 10.00 Clear -- 26.6 19.4 74% 16.2 NA 30.30 1026.1
04:35 AM CST 10.4 10.00 Clear -- 26.6 19.4 74% 16.9 NA 30.29 1025.7
04:30 AM CST 11.5 G 17.3 10.00 Clear -- 26.6 19.4 74% 16.2 NA 30.29 1025.7
04:20 AM CST 11.5 10.00 Clear -- 26.6 19.4 74% 16.2 NA 30.29 1025.7

Regional Weather Observation

ST CHARLES (KSET)

Clear
26.6 F

ST LOUIS (KSTL)

Clear
28.4 F

ST LOUIS/SPIRIT (KSUS)

Mostly Clear
28.4 F

ALTON/ST LOUIS R (KALN)

Clear
26.6 F

CAHOKIA/ST LOUIS (KCPS)

Clear
41.0 F

WASHINGTON (KFYG)

Clear
28.4 F

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