Arnold, MO Current Weather Conditions

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

▼Current Conditions — Arnold, MO

ST LOUIS/SPIRIT (KSUS)

Cloudy

73.4 F

Humidity:	94%
Wind Speed:	0.0 mph
Barometer:	29.85 in
Dewpoint:	71.6 F
Visibility:	7.00 mi
Precip:	--
Heat Index:	74.8 F
Wind Chill:	NA

Jun 28 2026, 04:00 AM CDT

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▼Hourly Observation History — Arnold, 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)
04:00 AM CDT	0.0	7.00	Cloudy	--	73.4	71.6	94%	NA	74.8	29.85	1010.8
03:50 AM CDT	0.0	7.00	Cloudy	--	73.4	71.6	94%	NA	74.8	29.85	1010.8
03:40 AM CDT	0.0	5.00	Fog/Mist	--	73.4	71.6	94%	NA	74.8	29.85	1010.8
03:30 AM CDT	0.0	5.00	Fog/Mist	--	73.4	71.6	94%	NA	74.8	29.85	1010.8
03:25 AM CDT	0.0	7.00	Mostly Clear	--	73.4	71.6	94%	NA	74.8	29.85	1010.8
03:20 AM CDT	0.0	10.00	Clear	--	73.4	71.6	94%	NA	74.8	29.85	1010.8
03:15 AM CDT	0.0	10.00	Clear	--	73.4	71.6	94%	NA	74.8	29.85	1010.8
03:05 AM CDT	0.0	5.00	Fog/Mist	--	73.4	71.6	94%	NA	74.8	29.85	1010.8
03:00 AM CDT	0.0	6.00	Fog/Mist	--	73.4	71.6	94%	NA	74.8	29.85	1010.8
02:50 AM CDT	0.0	6.00	Fog/Mist	--	73.4	71.6	94%	NA	74.8	29.85	1010.8
02:35 AM CDT	0.0	8.00	Clear	--	73.4	71.6	94%	NA	74.8	29.85	1010.8
02:25 AM CDT	0.0	10.00	Mostly Clear	--	73.4	71.6	94%	NA	74.8	29.85	1010.8
02:20 AM CDT	0.0	10.00	Mostly Clear	--	73.4	71.6	94%	NA	74.8	29.85	1010.8
02:10 AM CDT	0.0	10.00	Mostly Clear	--	73.4	71.6	94%	NA	74.8	29.85	1010.8
02:00 AM CDT	E 3.4	10.00	Partly Cloudy	--	73.4	71.6	94%	NA	74.8	29.85	1010.8
01:45 AM CDT	3.4	9.00	Mostly Clear	--	73.4	71.6	94%	NA	74.8	29.86	1011.2
01:40 AM CDT	0.0	9.00	Mostly Clear	--	73.4	73.4	100%	NA	75.2	29.86	1011.2
01:35 AM CDT	0.0	8.00	Partly Cloudy	--	73.4	73.4	100%	NA	75.2	29.86	1011.2
01:30 AM CDT	0.0	8.00	Mostly Clear	--	73.4	73.4	100%	NA	75.2	29.86	1011.2
01:25 AM CDT	0.0	9.00	Mostly Clear	--	73.4	73.4	100%	NA	75.2	29.86	1011.2
01:20 AM CDT	0.0	9.00	Mostly Clear	--	73.4	73.4	100%	NA	75.2	29.86	1011.2
01:10 AM CDT	0.0	10.00	Partly Cloudy	--	73.4	73.4	100%	NA	75.2	29.86	1011.2
01:00 AM CDT	0.0	10.00	Mostly Cloudy	--	73.4	73.4	100%	NA	75.2	29.86	1011.2
12:50 AM CDT	0.0	10.00	Partly Cloudy	--	73.4	73.4	100%	NA	75.2	29.87	1011.5
12:40 AM CDT	0.0	9.00	Mostly Cloudy	--	73.4	73.4	100%	NA	75.2	29.87	1011.5
12:35 AM CDT	0.0	9.00	Mostly Cloudy	--	73.4	73.4	100%	NA	75.2	29.87	1011.5
12:30 AM CDT	0.0	10.00	Mostly Cloudy	--	73.4	73.4	100%	NA	75.2	29.87	1011.5
12:15 AM CDT	0.0	10.00	Mostly Cloudy	--	73.4	73.4	100%	NA	75.2	29.87	1011.5
12:10 AM CDT	0.0	10.00	Partly Cloudy	--	73.4	71.6	94%	NA	74.8	29.87	1011.5
12:00 AM CDT	0.0	8.00	Clear	--	73.4	73.4	100%	NA	75.2	29.87	1011.5
11:45 PM CDT	0.0	9.00	Clear	--	73.4	73.4	100%	NA	75.2	29.87	1011.5
11:40 PM CDT	0.0	9.00	Clear	--	73.4	73.4	100%	NA	75.2	29.88	1011.9
11:20 PM CDT	0.0	9.00	Clear	--	73.4	73.4	100%	NA	75.2	29.88	1011.9
11:10 PM CDT	0.0	9.00	Mostly Clear	--	73.4	73.4	100%	NA	75.2	29.88	1011.9
11:00 PM CDT	0.0	10.00	Clear	--	73.4	73.4	100%	NA	75.2	29.88	1011.9
10:50 PM CDT	0.0	10.00	Clear	--	75.2	73.4	94%	NA	76.8	29.88	1011.9
10:40 PM CDT	0.0	10.00	Clear	--	75.2	73.4	94%	NA	76.8	29.88	1011.9
10:35 PM CDT	0.0	10.00	Clear	--	75.2	73.4	94%	NA	76.8	29.88	1011.9
10:20 PM CDT	0.0	10.00	Clear	--	75.2	73.4	94%	NA	76.8	29.89	1012.2
10:15 PM CDT	0.0	10.00	Clear	--	75.2	73.4	94%	NA	76.8	29.88	1011.9
10:10 PM CDT	0.0	10.00	Clear	--	75.2	73.4	94%	NA	76.8	29.88	1011.9
10:00 PM CDT	3.4	10.00	Clear	--	75.2	73.4	94%	NA	76.8	29.88	1011.9
09:50 PM CDT	3.4	10.00	Clear	--	75.2	73.4	94%	NA	76.8	29.88	1011.9
09:40 PM CDT	S 3.4	10.00	Mostly Clear	--	77.0	73.4	89%	NA	78.6	29.88	1011.9
09:35 PM CDT	0.0	10.00	Mostly Clear	--	77.0	73.4	89%	NA	78.6	29.87	1011.5
09:30 PM CDT	0.0	10.00	Mostly Clear	--	77.0	73.4	89%	NA	78.6	29.88	1011.9
09:25 PM CDT	0.0	10.00	Mostly Clear	--	77.0	73.4	89%	NA	78.6	29.87	1011.5
09:20 PM CDT	SE 3.4	10.00	Mostly Clear	--	78.8	73.4	84%	NA	82.0	29.87	1011.5
09:15 PM CDT	3.4	10.00	Partly Cloudy	--	78.8	73.4	84%	NA	82.0	29.87	1011.5
09:10 PM CDT	5.7	10.00	Mostly Clear	--	78.8	73.4	84%	NA	82.0	29.87	1011.5
09:00 PM CDT	5.7	10.00	Clear	--	78.8	73.4	84%	NA	82.0	29.87	1011.5
08:45 PM CDT	S 4.6	10.00	Mostly Clear	--	78.8	73.4	84%	NA	82.0	29.85	1010.8
08:40 PM CDT	S 5.7	10.00	Mostly Clear	--	78.8	73.4	84%	NA	82.0	29.84	1010.5
08:35 PM CDT	S 5.7	10.00	Mostly Clear	--	78.8	73.4	84%	NA	82.0	29.85	1010.8
08:25 PM CDT	4.6	10.00	Partly Cloudy	--	78.8	73.4	84%	NA	82.0	29.85	1010.8
08:20 PM CDT	S 6.9	10.00	Partly Cloudy	--	78.8	73.4	84%	NA	82.0	29.86	1011.2
08:15 PM CDT	S 4.6	10.00	Mostly Clear	--	80.6	73.4	79%	NA	85.3	29.86	1011.2
08:10 PM CDT	5.7	10.00	Partly Cloudy	--	80.6	73.4	79%	NA	85.3	29.86	1011.2
08:00 PM CDT	5.7	10.00	Mostly Clear	--	80.6	73.4	79%	NA	85.3	29.87	1011.5
07:50 PM CDT	6.9	10.00	Mostly Clear	--	80.6	73.4	79%	NA	85.3	29.87	1011.5
07:45 PM CDT	4.6	10.00	Partly Cloudy	--	80.6	73.4	79%	NA	85.3	29.87	1011.5
07:35 PM CDT	SW 5.7	10.00	Mostly Clear	--	80.6	73.4	79%	NA	85.3	29.87	1011.5
07:25 PM CDT	6.9	10.00	Partly Cloudy	--	80.6	73.4	79%	NA	85.3	29.87	1011.5
07:20 PM CDT	6.9	10.00	Partly Cloudy	--	80.6	73.4	79%	NA	85.3	29.86	1011.2
07:15 PM CDT	SW 9.2	10.00	Mostly Clear	--	80.6	73.4	79%	NA	85.3	29.86	1011.2
07:05 PM CDT	S 5.7	10.00	Partly Cloudy	--	80.6	75.2	84%	NA	86.2	29.86	1011.2
07:00 PM CDT	0.0	10.00	Mostly Clear	--	80.6	75.2	84%	NA	86.2	29.86	1011.2
06:50 PM CDT	0.0	10.00	Clear	--	82.4	73.4	74%	NA	88.3	29.86	1011.2
06:40 PM CDT	S 3.4	10.00	Clear	--	82.4	73.4	74%	NA	88.3	29.85	1010.8
06:35 PM CDT	0.0	10.00	Clear	--	82.4	73.4	74%	NA	88.3	29.85	1010.8
06:30 PM CDT	0.0	10.00	Clear	--	82.4	71.6	70%	NA	87.3	29.85	1010.8
06:20 PM CDT	S 4.6	10.00	Clear	--	82.4	73.4	74%	NA	88.3	29.86	1011.2