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Hazardous Weather Conditions

No active alerts for UNION, MISSOURI

Current Conditions: UNION, MISSOURI

Clear


48.2 F
Last Updated on Feb 28 2026, 09:35 PM CST
Humidity: 43%
Wind Speed: 0.0 mph
Barometer: 30.12 in
Dewpoint: 26.6 F
Visibility: 10.00 mi
Precip: --
Heat Index: NA
Wind Chill: NA
Current conditions at:

WASHINGTON (KFYG)

Lat: 38.58 Lon: -91

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5 Day Forecast for UNION, MISSOURI (63084)

Saturday
Chance of Rain
High 68 °F
Saturday
Night
Rain/Snow Mix
Low 30 °F
Sunday
Rain
High 46 °F
Sunday
Night
Rain Likely
Low 32 °F
Monday
Rain Likely
High 44 °F
Monday
Night
Rain Likely
Low 37 °F
Tuesday
Rain Likely
High 55 °F
Tuesday
Night
Forecast Missing
Low 44 °F
Wednesday
Forecast Missing
High 64 °F



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Observation History for UNION, 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)
09:35 PM CST 0.0 10.00 Clear -- 48.2 26.6 43% NA NA 30.12 1020.0
09:15 PM CST 5.8 G 17.2 10.00 Clear -- 48.2 26.6 43% 45.7 NA 30.10 1019.3
08:55 PM CST 11.4 G 25.3 10.00 Clear -- 50.0 % NA NA 30.09 1019.0
08:35 PM CST G 25.3 10.00 Mostly Clear -- 53.6 % NA NA 30.07 1018.3
08:15 PM CST 6.9 G 12.8 10.00 Clear -- 57.2 32.0 38% NA NA 30.06 1018.0
07:55 PM CST 4.7 G 11.4 10.00 Partly Cloudy -- 59.0 33.8 39% NA NA 30.04 1017.3
07:35 PM CST 5.8 G 12.8 10.00 Mostly Cloudy -- 59.0 35.6 41% NA NA 30.03 1016.9
07:15 PM CST 4.7 10.00 Mostly Cloudy -- 60.8 37.4 42% NA NA 30.02 1016.6
06:55 PM CST 4.7 10.00 Mostly Cloudy -- 60.8 37.4 42% NA NA 30.01 1016.3
06:35 PM CST 5.8 10.00 Mostly Cloudy -- 60.8 39.2 45% NA NA 30.00 1015.9
06:15 PM CST 6.9 10.00 Partly Cloudy -- 60.8 41.0 48% NA NA 30.00 1015.9
05:55 PM CST 5.8 G 15.0 10.00 Partly Cloudy -- 60.8 42.8 51% NA NA 29.97 1014.9
05:35 PM CST 6.9 10.00 Partly Cloudy -- 60.8 44.6 55% NA NA 29.96 1014.6
05:15 PM CST 0.0 10.00 Mostly Cloudy -- 59.0 48.2 67% NA NA 29.96 1014.6
04:55 PM CST 0.0 10.00 Mostly Cloudy -- 60.8 48.2 63% NA NA 29.95 1014.2
04:35 PM CST 0.0 10.00 Mostly Clear -- 60.8 48.2 63% NA NA 29.94 1013.9
04:15 PM CST 0.0 10.00 Clear -- 60.8 48.2 63% NA NA 29.95 1014.2
03:55 PM CST 0.0 10.00 Mostly Clear -- 60.8 48.2 63% NA NA 29.95 1014.2
03:35 PM CST 0.0 9.00 Unknown Precipitation -- 60.8 48.2 63% NA NA 29.96 1014.6
11:55 AM CST 0.0 10.00 Clear -- 60.8 26.6 27% NA NA 30.02 1016.6
11:35 AM CST SE 8.1 10.00 Clear -- 60.8 26.6 27% NA NA 30.04 1017.3
11:15 AM CST E 6.9 G 12.8 10.00 Clear -- 59.0 24.8 27% NA NA 30.04 1017.3
10:55 AM CST 0.0 10.00 Clear -- 57.2 24.8 29% NA NA 30.06 1018.0
10:35 AM CST 0.0 10.00 Clear -- 57.2 23.0 26% NA NA 30.07 1018.3

Regional Weather Observation

WASHINGTON (KFYG)

Clear
48.2 F

ST LOUIS/SPIRIT (KSUS)

Partly Cloudy
46.4 F

VICHY/ROLLA (KVIH)

Clear
51.8 F

ST CHARLES (KSET)

Cloudy
42.8 F

ST LOUIS (KSTL)

Cloudy
46.4 F

CAHOKIA/ST LOUIS (KCPS)

Clear
41.0 F

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