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)

Clear

100.4 F

Humidity:	37%
Wind Speed:	6.9 mph
Barometer:	29.96 in
Dewpoint:	69.8 F
Visibility:	9.00 mi
Precip:	--
Heat Index:	108.1 F
Wind Chill:	NA

Sep 1 2026, 04:55 PM 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 PM CDT	6.9	9.00	Clear	--	100.4	69.8	37%	NA	108.1	29.96	1014.6
04:35 PM CDT	0.0	9.00	Clear	--	100.4	69.8	37%	NA	108.1	29.96	1014.6
04:15 PM CDT	4.7	9.00	Clear	--	100.4	69.8	37%	NA	108.1	29.97	1014.9
03:55 PM CDT	SW 3.4	9.00	Clear	--	100.4	66.2	33%	NA	105.1	29.97	1014.9
03:35 PM CDT	0.0	9.00	Clear	--	100.4	69.8	37%	NA	108.1	29.98	1015.2
03:15 PM CDT	0.0	7.00	Clear	--	98.6	71.6	42%	NA	107.8	29.98	1015.2
02:55 PM CDT	0.0	9.00	Clear	--	98.6	69.8	40%	NA	105.8	29.99	1015.6
02:35 PM CDT	0.0	9.00	Clear	--	98.6	73.4	45%	NA	109.8	30.00	1015.9
02:15 PM CDT	0.0	9.00	Clear	--	98.6	73.4	45%	NA	109.8	30.00	1015.9
01:55 PM CDT	0.0	9.00	Clear	--	96.8	75.2	50%	NA	109.8	30.01	1016.3
01:35 PM CDT	SW 4.7	9.00	Clear	--	96.8	73.4	47%	NA	107.4	30.01	1016.3
01:15 PM CDT		9.00	Clear	--	NULL		%	NA	NA		M
12:55 PM CDT	0.0	9.00	Clear	--	95.0	75.2	53%	NA	107.4	30.03	1016.9
12:35 PM CDT	0.0	10.00	Clear	--	93.2	75.2	56%	NA	105.1	30.03	1016.9
12:15 PM CDT	0.0	9.00	Clear	--	93.2	75.2	56%	NA	105.1	30.04	1017.3
11:55 AM CDT	0.0	9.00	Clear	--	91.4	75.2	59%	NA	102.7	30.04	1017.3
11:35 AM CDT	0.0	9.00	Clear	--	91.4	73.4	56%	NA	100.6	30.05	1017.6
11:15 AM CDT	5.8	10.00	Clear	--	91.4	73.4	56%	NA	100.6	30.05	1017.6
10:55 AM CDT	0.0	10.00	Clear	--	89.6	77.0	67%	NA	102.6	30.05	1017.6
10:35 AM CDT	0.0	9.00	Clear	--	89.6	75.2	63%	NA	100.2	30.06	1018.0
10:15 AM CDT	SW 4.7	9.00	Clear	--	87.8	75.2	66%	NA	97.7	30.06	1018.0
09:55 AM CDT	4.7	9.00	Clear	--	86.0	75.2	70%	NA	95.2	30.06	1018.0
09:35 AM CDT	0.0	9.00	Clear	--	84.2	73.4	70%	NA	90.9	30.06	1018.0
09:15 AM CDT	0.0	9.00	Clear	--	84.2	75.2	74%	NA	92.5	30.06	1018.0
08:55 AM CDT	0.0	9.00	Clear	--	80.6	73.4	79%	NA	85.3	30.06	1018.0
08:35 AM CDT	0.0	9.00	Clear	--	78.8	75.2	89%	NA	82.4	30.06	1018.0
08:15 AM CDT	0.0	9.00	NULL	--	77.0	75.2	94%	NA	78.8	30.06	1018.0
07:55 AM CDT	0.0	9.00	Clear	--	73.4	73.4	100%	NA	75.2	30.06	1018.0
07:35 AM CDT	0.0	8.00	Clear	--	71.6	71.6	100%	NA	73.2	30.06	1018.0
07:15 AM CDT	0.0	8.00	Clear	--	69.8	69.8	100%	NA	NA	30.05	1017.6
06:55 AM CDT	0.0	8.00	Clear	--	68.0	68.0	100%	NA	NA	30.04	1017.3
06:35 AM CDT	0.0	9.00	Clear	--	68.0	68.0	100%	NA	NA	30.03	1016.9
06:15 AM CDT	0.0	9.00	Clear	--	69.8	69.8	100%	NA	NA	30.03	1016.9
05:55 AM CDT	0.0	9.00	Clear	--	69.8	69.8	100%	NA	NA	30.03	1016.9
05:35 AM CDT	0.0	9.00	Clear	--	69.8	69.8	100%	NA	NA	30.03	1016.9
05:15 AM CDT	0.0	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.03	1016.9
04:55 AM CDT	0.0	10.00	Clear	--	69.8	69.8	100%	NA	NA	30.03	1016.9
04:35 AM CDT	0.0	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.02	1016.6
04:15 AM CDT		9.00	Clear	--	NULL		%	NA	NA		M
03:55 AM CDT	0.0	9.00	Clear	--	71.6	71.6	100%	NA	73.2	30.02	1016.6
03:35 AM CDT	0.0	9.00	Clear	--	71.6	71.6	100%	NA	73.2	30.00	1015.9
03:15 AM CDT		9.00	Clear	--	NULL		%	NA	NA		M
02:55 AM CDT	0.0	9.00	Clear	--	71.6	71.6	100%	NA	73.2	30.00	1015.9
02:35 AM CDT	0.0	9.00	Clear	--	71.6	71.6	100%	NA	73.2	30.00	1015.9
02:15 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
01:55 AM CDT	0.0	9.00	Clear	--	73.4	73.4	100%	NA	75.2	30.00	1015.9
01:35 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
01:15 AM CDT	0.0	10.00	Clear	--	77.0	73.4	89%	NA	78.6	30.00	1015.9
12:55 AM CDT	0.0	10.00	Clear	--	78.8	73.4	84%	NA	82.0	30.00	1015.9
12:35 AM CDT	0.0	10.00	Clear	--	80.6	73.4	79%	NA	85.3	30.00	1015.9
12:15 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
11:55 PM CDT	4.7	10.00	Clear	--	80.6	75.2	84%	NA	86.2	29.99	1015.6
11:35 PM CDT	0.0	10.00	Clear	--	80.6	75.2	84%	NA	86.2	30.00	1015.9
11:15 PM CDT	0.0	10.00	Clear	--	80.6	75.2	84%	NA	86.2	29.99	1015.6
10:55 PM CDT	SE 4.7	9.00	Clear	--	82.4	75.2	79%	NA	89.4	29.99	1015.6
10:35 PM CDT	0.0	10.00	Clear	--	82.4	75.2	79%	NA	89.4	29.99	1015.6
10:15 PM CDT	SE 5.8	10.00	Clear	--	82.4	75.2	79%	NA	89.4	29.99	1015.6
09:55 PM CDT	SE 5.8	10.00	NULL	--	82.4	75.2	79%	NA	89.4	29.99	1015.6
09:35 PM CDT	SE 5.8	10.00	Clear	--	84.2	75.2	74%	NA	92.5	29.99	1015.6
09:15 PM CDT	0.0	10.00	Clear	--	84.2	75.2	74%	NA	92.5	29.98	1015.2
08:55 PM CDT	0.0	10.00	NULL	--	84.2	75.2	74%	NA	92.5	29.98	1015.2
08:35 PM CDT	0.0	10.00	Clear	--	84.2	75.2	74%	NA	92.5	29.97	1014.9
08:15 PM CDT	0.0	10.00	Clear	--	84.2	77.0	79%	NA	94.1	29.97	1014.9
07:55 PM CDT	0.0	9.00	Clear	--	84.2	77.0	79%	NA	94.1	29.96	1014.6
07:35 PM CDT	0.0	9.00	NULL	--	86.0	77.0	75%	NA	97.2	29.96	1014.6
07:15 PM CDT	0.0	10.00	NULL	--	87.8	77.0	70%	NA	99.9	29.96	1014.6
06:55 PM CDT	0.0	9.00	NULL	--	91.4	77.0	63%	NA	105.1	29.96	1014.6
06:35 PM CDT	0.0	9.00	NULL	--	95.0	73.4	50%	NA	105.1	29.96	1014.6
06:15 PM CDT	6.9	10.00	Clear	--	96.8	71.6	44%	NA	105.4	29.96	1014.6
05:55 PM CDT	S 5.8	9.00	Clear	--	98.6	71.6	42%	NA	107.8	29.96	1014.6
05:35 PM CDT	S 4.7	9.00	Clear	--	98.6	71.6	42%	NA	107.8	29.96	1014.6
05:15 PM CDT	S 8.1	9.00	Clear	--	98.6	71.6	42%	NA	107.8	29.96	1014.6