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

68.0 F

Humidity:	100%
Wind Speed:	0.0 mph
Barometer:	30.09 in
Dewpoint:	68.0 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Aug 6 2026, 03:15 PM CDT

Alert Subscriptions

Severe Weather

Tornado, flood & storm warnings

Observations

Station conditions & threshold alerts

Daily Forecast

Morning summary delivered daily

Lightning

Real-time strike alerts

▼State Weather Snapshot — Missouri

Temperature

Dewpoint

Wind Speed

Full Interactive Observation Map →

▼Radar — Missouri

Loading radar…

Active Alerts Lightning

Full Interactive Radar Map →

▼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)
03:15 PM CDT	0.0	10.00	Clear	--	68.0	68.0	100%	NA	NA	30.09	1019.0
02:55 PM CDT	0.0	7.00	Thunderstorms and Rain	--	68.0	68.0	100%	NA	NA	30.10	1019.3
02:35 PM CDT	NW 9.2 G 20.8	10.00	Rain	--	68.0	68.0	100%	NA	NA	30.12	1020.0
01:55 PM CDT	13.9	5.00	Rain and Fog/Mist	--	68.0	68.0	100%	NA	NA	30.07	1018.3
01:35 PM CDT	SE 8.1	4.00	Rain and Fog/Mist	--	68.0	68.0	100%	NA	NA	30.12	1020.0
01:15 PM CDT	0.0	4.00	Light Rain and Fog/Mist	--	69.8	69.8	100%	NA	NA	30.15	1021.0
12:55 PM CDT	0.0	5.00	Thunderstorms and Rain and Fog/Mist	--	69.8	69.8	100%	NA	NA	30.16	1021.3
12:35 PM CDT	6.9 G 15.0	6.00	Rain and Fog/Mist	--	69.8	69.8	100%	NA	NA	30.16	1021.3
12:15 PM CDT	G 19.7	4.00	Rain and Fog/Mist	--	NULL		%	NA	NA		M
11:55 AM CDT	SE 11.4	3.00	Light Rain and Fog/Mist	--	69.8	69.8	100%	NA	NA	30.10	1019.3
11:35 AM CDT	0.0	3.00	Rain and Fog/Mist	--	69.8	69.8	100%	NA	NA	30.15	1021.0
11:15 AM CDT	0.0	8.00	Light Rain	--	69.8	69.8	100%	NA	NA	30.15	1021.0
10:55 AM CDT	S 4.7 G 12.8	9.00	Light Rain	--	69.8	69.8	100%	NA	NA	30.15	1021.0
10:35 AM CDT	9.2	5.00	Light Rain and Fog/Mist	--	69.8	69.8	100%	NA	NA	30.14	1020.7
10:15 AM CDT	0.0	4.00	Rain and Fog/Mist	--	69.8	69.8	100%	NA	NA	30.17	1021.7
09:55 AM CDT	0.0	5.00	Light Rain and Fog/Mist	--	69.8	69.8	100%	NA	NA	30.16	1021.3
09:35 AM CDT	0.0	6.00	Rain and Fog/Mist	--	69.8	69.8	100%	NA	NA	30.16	1021.3
09:15 AM CDT	0.0	8.00	Light Rain	--	69.8	69.8	100%	NA	NA	30.15	1021.0
08:55 AM CDT	0.0	9.00	Light Rain	--	69.8	69.8	100%	NA	NA	30.14	1020.7
08:35 AM CDT	0.0	9.00	Light Rain	--	68.0	68.0	100%	NA	NA	30.14	1020.7
08:15 AM CDT	0.0	10.00	Clear	--	68.0	68.0	100%	NA	NA	30.12	1020.0
07:55 AM CDT	SE 6.9	10.00	Clear	--	68.0	68.0	100%	NA	NA	30.12	1019.7
07:35 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
07:15 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
06:55 AM CDT	0.0	8.00	Unknown Precipitation	--	68.0	68.0	100%	NA	NA	30.13	1020.3
06:35 AM CDT	0.0	6.00	Light Rain and Fog/Mist	--	68.0	68.0	100%	NA	NA	30.15	1021.0
06:15 AM CDT	0.0	7.00	Rain	--	68.0	68.0	100%	NA	NA	30.17	1021.7
05:55 AM CDT	G 21.9	5.00	Thunderstorms and Fog/Mist	--	68.0	68.0	100%	NA	NA	30.12	1020.0
05:35 AM CDT	0.0 G 21.9	1.25	Heavy Thunderstorms and Heavy Rain and Fog/Mist	--	68.0	68.0	100%	NA	NA		M
05:15 AM CDT	G 34.4	0.75	Heavy Thunderstorms and Heavy Rain and Fog/Mist	--	69.8	69.8	100%	NA	NA		M
04:55 AM CDT	0.0 G 18.3	0.75	Heavy Thunderstorms and Heavy Rain and Fog/Mist	--	73.4	73.4	100%	NA	75.2		M
04:35 AM CDT		5.00	Thunderstorms and Rain and Fog/Mist	--	75.2	75.2	100%	NA	77.2		M
04:15 AM CDT	0.0	9.00	Partly Cloudy	--	75.2	75.2	100%	NA	77.2	30.02	1016.6
03:55 AM CDT	0.0	7.00	Unknown Precipitation	--	75.2	75.2	100%	NA	77.2	29.98	1015.2
03:35 AM CDT	0.0	10.00	Mostly Clear	--	77.0	75.2	94%	NA	78.8	30.00	1015.9
03:15 AM CDT		10.00	Mostly Clear	--	NULL		%	NA	NA		M
02:55 AM CDT	0.0	9.00	Partly Cloudy	--	75.2	75.2	100%	NA	77.2	30.01	1016.3
02:35 AM CDT	0.0	10.00	Mostly Clear	--	75.2	75.2	100%	NA	77.2	30.02	1016.6
02:15 AM CDT	SE 5.8	10.00	Clear	--	75.2	75.2	100%	NA	77.2	30.00	1015.9
01:55 AM CDT	0.0	9.00	Clear	--	75.2	75.2	100%	NA	77.2	30.02	1016.6
01:35 AM CDT		9.00	Partly Cloudy	--	NULL		%	NA	NA		M
01:15 AM CDT	0.0	9.00	Clear	--	75.2	75.2	100%	NA	77.2	30.01	1016.3
12:55 AM CDT	0.0	9.00	Clear	--	75.2	75.2	100%	NA	77.2	30.00	1015.9
12:35 AM CDT	0.0	7.00	Clear	--	73.4	73.4	100%	NA	75.2	30.03	1016.9
12:15 AM CDT	0.0	8.00	Clear	--	75.2	75.2	100%	NA	77.2	30.03	1016.9
11:55 PM CDT	0.0	8.00	Clear	--	75.2	75.2	100%	NA	77.2	30.04	1017.3
11:35 PM CDT	0.0	10.00	Clear	--	75.2	75.2	100%	NA	77.2	30.04	1017.3
11:15 PM CDT	0.0	8.00	Mostly Clear	--	75.2	75.2	100%	NA	77.2	30.05	1017.6
10:55 PM CDT	0.0	8.00	Partly Cloudy	--	75.2	75.2	100%	NA	77.2	30.04	1017.3
10:35 PM CDT	0.0	8.00	Clear	--	75.2	75.2	100%	NA	77.2	30.03	1016.9
10:15 PM CDT	0.0	10.00	Mostly Clear	--	77.0	77.0	100%	NA	79.2	30.03	1016.9
09:55 PM CDT	0.0	9.00	Partly Cloudy	--	77.0	77.0	100%	NA	79.2	30.03	1016.9
09:35 PM CDT	0.0	10.00	Partly Cloudy	--	77.0	77.0	100%	NA	79.2	30.03	1016.9
09:15 PM CDT	0.0	9.00	Mostly Clear	--	77.0	77.0	100%	NA	79.2	30.03	1016.9
08:55 PM CDT	0.0	10.00	Mostly Clear	--	77.0	77.0	100%	NA	79.2	30.02	1016.6
08:35 PM CDT	0.0	10.00	Clear	--	80.6	77.0	89%	NA	87.1	30.00	1015.9
08:15 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
07:55 PM CDT	0.0	10.00	Clear	--	80.6	77.0	89%	NA	87.1	29.99	1015.6
07:35 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
07:15 PM CDT	0.0	9.00	Clear	--	82.4	78.8	89%	NA	92.5	29.98	1015.2
06:55 PM CDT	0.0	9.00	Clear	--	80.6	80.6	100%	NA	89.2	29.98	1015.2
06:35 PM CDT	0.0	9.00	Clear	--	80.6	80.6	100%	NA	89.2	29.97	1014.9
06:15 PM CDT	0.0	9.00	NULL	--	82.4	80.6	94%	NA	94.1	29.97	1014.9
05:55 PM CDT	0.0	10.00	Clear	--	84.2	78.8	84%	NA	96.1	29.97	1014.9
05:35 PM CDT	0.0	8.00	Clear	--	82.4	80.6	94%	NA	94.1	29.97	1014.9
05:15 PM CDT		8.00	Clear	--	NULL		%	NA	NA		M
04:55 PM CDT	0.0	6.00	Fog/Mist	--	80.6	80.6	100%	NA	89.2	30.00	1015.9
04:35 PM CDT	0.0	9.00	Clear	--	84.2	80.6	89%	NA	98.2	30.01	1016.3
04:15 PM CDT	0.0	10.00	Clear	--	87.8	75.2	66%	NA	97.7	30.01	1016.3
03:55 PM CDT	0.0	8.00	Clear	--	87.8	75.2	66%	NA	97.7	30.01	1016.3
03:35 PM CDT	0.0	9.00	Clear	--	86.0	77.0	75%	NA	97.2	30.01	1016.3
03:15 PM CDT	0.0	10.00	Clear	--	86.0	75.2	70%	NA	95.2	30.02	1016.6