St. Clair, MO Current Weather Conditions

Current weather observations and 72-hour history for St. Clair, MO. • View 5-Day Forecast ›

▼Current Conditions — St. Clair, MO

WASHINGTON (KFYG)

Fog/Mist

77.0 F

Humidity:	100%
Wind Speed:	0.0 mph
Barometer:	29.86 in
Dewpoint:	77.0 F
Visibility:	5.00 mi
Precip:	--
Heat Index:	79.2 F
Wind Chill:	NA

Jun 28 2026, 04:55 AM CDT

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▼Hourly Observation History — St. Clair, MO

Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Temperature (F)		Relative Humidity	Wind Chill (F)	Heat Index (F)	Pressure
Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Air	Dwpt	Relative Humidity	Wind Chill (F)	Heat Index (F)	altimeter (in)	sea level (mb)
04:55 AM CDT	0.0	5.00	Fog/Mist	--	77.0	77.0	100%	NA	79.2	29.86	1011.2
04:35 AM CDT	0.0	4.00	Fog/Mist	--	77.0	77.0	100%	NA	79.2	29.85	1010.8
04:15 AM CDT	0.0	5.00	Fog/Mist	--	77.0	77.0	100%	NA	79.2	29.86	1011.2
03:55 AM CDT	0.0	6.00	Fog/Mist	--	77.0	77.0	100%	NA	79.2	29.86	1011.2
03:35 AM CDT	0.0	6.00	Fog/Mist	--	77.0	77.0	100%	NA	79.2	29.86	1011.2
03:15 AM CDT	0.0	3.00	Fog/Mist	--	77.0	77.0	100%	NA	79.2	29.85	1010.8
02:55 AM CDT	0.0	3.00	Fog/Mist	--	77.0	77.0	100%	NA	79.2	29.85	1010.8
02:35 AM CDT	0.0	3.00	Fog/Mist	--	77.0	77.0	100%	NA	79.2	29.85	1010.8
02:15 AM CDT	0.0	3.00	Fog/Mist	--	77.0	77.0	100%	NA	79.2	29.85	1010.8
01:55 AM CDT	0.0	3.00	Fog/Mist	--	75.2	75.2	100%	NA	77.2	29.85	1010.8
01:35 AM CDT	0.0	3.00	Fog/Mist	--	75.2	75.2	100%	NA	77.2	29.86	1011.2
01:15 AM CDT	0.0	3.00	Fog/Mist	--	75.2	75.2	100%	NA	77.2	29.86	1011.2
12:55 AM CDT	0.0	3.00	Fog/Mist	--	75.2	75.2	100%	NA	77.2	29.86	1011.2
12:35 AM CDT	0.0	3.00	Fog/Mist	--	75.2	75.2	100%	NA	77.2	29.87	1011.5
12:15 AM CDT	0.0	3.00	Fog/Mist	--	77.0	77.0	100%	NA	79.2	29.87	1011.5
11:55 PM CDT	0.0	3.00	Fog/Mist	--	75.2	75.2	100%	NA	77.2	29.87	1011.5
11:35 PM CDT	0.0	3.00	Fog/Mist	--	75.2	75.2	100%	NA	77.2	29.88	1011.9
11:15 PM CDT	0.0	6.00	Fog/Mist	--	75.2	75.2	100%	NA	77.2	29.88	1011.9
10:55 PM CDT	0.0	6.00	Fog/Mist	--	77.0	77.0	100%	NA	79.2	29.88	1011.9
10:35 PM CDT	0.0	6.00	Fog/Mist	--	77.0	77.0	100%	NA	79.2	29.89	1012.2
10:15 PM CDT		8.00	Clear	--	NULL		%	NA	NA		M
09:55 PM CDT	0.0	5.00	Fog/Mist	--	77.0	77.0	100%	NA	79.2	29.88	1011.9
09:35 PM CDT	0.0	6.00	Fog/Mist	--	77.0	77.0	100%	NA	79.2	29.87	1011.5
09:15 PM CDT	0.0	5.00	Fog/Mist	--	78.8	77.0	94%	NA	82.8	29.87	1011.5
08:55 PM CDT	0.0	4.00	Fog/Mist	--	78.8	78.8	100%	NA	83.1	29.86	1011.2
08:35 PM CDT	0.0	4.00	Fog/Mist	--	78.8	78.8	100%	NA	83.1	29.86	1011.2
08:15 PM CDT	0.0	3.00	Fog/Mist	--	80.6	77.0	89%	NA	87.1	29.86	1011.2
07:55 PM CDT	0.0	5.00	Fog/Mist	--	80.6	77.0	89%	NA	87.1	29.87	1011.5
07:35 PM CDT	4.7	3.00	Haze	--	82.4	77.0	84%	NA	90.9	29.89	1012.2
07:15 PM CDT	0.0	2.50	Haze	--	82.4	77.0	84%	NA	90.9	29.88	1011.9
06:55 PM CDT	0.0	2.50	Haze	--	82.4	77.0	84%	NA	90.9	29.87	1011.5
06:35 PM CDT	S 5.8	2.50	Haze	--	84.2	77.0	79%	NA	94.1	29.86	1011.2
06:15 PM CDT	4.7	2.50	NULL	--	84.2	77.0	79%	NA	94.1	29.86	1011.2
05:55 PM CDT	9.2	2.50	Haze	--	86.0	77.0	75%	NA	97.2	29.86	1011.2
05:35 PM CDT	S 3.4 G 11.4	2.50	Haze	--	86.0	75.2	70%	NA	95.2	29.86	1011.2
05:15 PM CDT	5.8	2.50	Haze	--	86.0	75.2	70%	NA	95.2	29.87	1011.5
04:55 PM CDT	6.9 G 13.9	2.50	Haze	--	87.8	75.2	66%	NA	97.7	29.87	1011.5
04:35 PM CDT	8.1	2.50	Haze	--	86.0	75.2	70%	NA	95.2	29.87	1011.5
04:15 PM CDT	SW 6.9	2.50	Haze	--	86.0	75.2	70%	NA	95.2	29.88	1011.9
03:55 PM CDT	3.4	2.50	Haze	--	86.0	77.0	75%	NA	97.2	29.88	1011.9
03:35 PM CDT	8.1	2.50	Haze	--	86.0	77.0	75%	NA	97.2	29.88	1011.9
03:15 PM CDT	4.7	2.50	Haze	--	86.0	77.0	75%	NA	97.2	29.88	1011.9
02:55 PM CDT	SW 9.2	2.50	Haze	--	86.0	77.0	75%	NA	97.2	29.88	1011.9
02:35 PM CDT	6.9	2.50	Haze	--	86.0	77.0	75%	NA	97.2	29.87	1011.5
02:15 PM CDT	0.0 G 11.4	5.00	Haze	--	86.0	78.8	79%	NA	99.3	29.87	1011.5
01:55 PM CDT	0.0	5.00	Haze	--	86.0	77.0	75%	NA	97.2	29.86	1011.2
01:35 PM CDT	G 12.8	5.00	Haze	--	NULL		%	NA	NA		M
01:15 PM CDT	0.0	5.00	Haze	--	86.0	77.0	75%	NA	97.2	29.87	1011.5
12:55 PM CDT	6.9 G 15.0	2.50	Haze	--	86.0	77.0	75%	NA	97.2	29.88	1011.9
12:35 PM CDT	10.3 G 20.8	2.50	Haze	--	84.2	78.8	84%	NA	96.1	29.88	1011.9
12:15 PM CDT	SW 6.9 G 12.8	2.00	Haze	--	84.2	78.8	84%	NA	96.1	29.89	1012.2
11:55 AM CDT	SW 8.1	2.50	Haze	--	84.2	80.6	89%	NA	98.2	29.90	1012.5
11:35 AM CDT	10.3	2.00	Haze	--	84.2	78.8	84%	NA	96.1	29.91	1012.9
11:15 AM CDT	SW 5.8	2.50	Haze	--	86.0	80.6	84%	NA	101.8	29.92	1013.2
10:55 AM CDT	0.0	2.50	Fog/Mist	--	82.4	80.6	94%	NA	94.1	29.92	1013.2
10:35 AM CDT	0.0	2.50	Fog/Mist	--	82.4	78.8	89%	NA	92.5	29.92	1013.2
10:15 AM CDT	3.4	4.00	Fog/Mist	--	82.4	80.6	94%	NA	94.1	29.91	1012.9
09:55 AM CDT	SW 6.9	3.00	Fog/Mist	--	80.6	78.8	94%	NA	88.2	29.90	1012.5
09:35 AM CDT	0.0	2.00	Fog/Mist	--	78.8	78.8	100%	NA	83.1	29.90	1012.5
09:15 AM CDT	0.0	2.00	Fog/Mist	--	78.8	78.8	100%	NA	83.1	29.91	1012.9
08:55 AM CDT	0.0	2.00	Fog/Mist	--	78.8	78.8	100%	NA	83.1	29.90	1012.5
08:35 AM CDT	0.0	2.00	Fog/Mist	--	77.0	77.0	100%	NA	79.2	29.91	1012.9
08:15 AM CDT	0.0	2.00	Fog/Mist	--	77.0	77.0	100%	NA	79.2	29.91	1012.9
07:55 AM CDT	0.0	2.00	Fog/Mist	--	77.0	77.0	100%	NA	79.2	29.90	1012.5
07:35 AM CDT	0.0	2.00	Fog/Mist	--	77.0	77.0	100%	NA	79.2	29.90	1012.5
07:15 AM CDT	0.0	1.75	Fog/Mist	--	75.2	75.2	100%	NA	77.2	29.90	1012.5
06:55 AM CDT	0.0	1.50	Fog/Mist	--	75.2	75.2	100%	NA	77.2	29.91	1012.9
06:35 AM CDT	0.0	1.50	Fog/Mist	--	73.4	73.4	100%	NA	75.2	29.92	1013.2
06:15 AM CDT	0.0	2.50	Fog/Mist	--	73.4	73.4	100%	NA	75.2	29.91	1012.9
05:55 AM CDT	0.0	2.00	Fog/Mist	--	73.4	73.4	100%	NA	75.2	29.90	1012.5
05:35 AM CDT	0.0	1.00	Fog/Mist	--	73.4	73.4	100%	NA	75.2	29.90	1012.5
05:15 AM CDT	0.0	2.50	Fog/Mist	--	73.4	73.4	100%	NA	75.2	29.90	1012.5