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)

Light Rain

78.8 F

Humidity:	79%
Wind Speed:	SE 4.6 mph
Barometer:	29.85 in
Dewpoint:	71.6 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	81.7 F
Wind Chill:	NA

Jun 7 2026, 09:10 PM 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)
09:10 PM CDT	SE 4.6	10.00	Light Rain	--	78.8	71.6	79%	NA	81.7	29.85	1010.8
09:00 PM CDT	SE 3.4	10.00	Light Rain	--	80.6	69.8	70%	NA	83.8	29.85	1010.8
08:50 PM CDT	SE 4.6	10.00	Light Rain	--	80.6	69.8	70%	NA	83.8	29.85	1010.8
08:40 PM CDT	3.4	10.00	Partly Cloudy	--	80.6	69.8	70%	NA	83.8	29.85	1010.8
08:35 PM CDT	3.4	10.00	Mostly Cloudy	--	80.6	69.8	70%	NA	83.8	29.85	1010.8
08:25 PM CDT	0.0	10.00	Light Rain	--	80.6	69.8	70%	NA	83.8	29.85	1010.8
08:20 PM CDT	3.4	10.00	Light Rain	--	80.6	69.8	70%	NA	83.8	29.85	1010.8
08:15 PM CDT	S 3.4	10.00	Light Rain	--	80.6	69.8	70%	NA	83.8	29.85	1010.8
08:10 PM CDT	0.0	10.00	Light Rain	--	82.4	69.8	66%	NA	86.2	29.85	1010.8
08:00 PM CDT	SE 4.6	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.84	1010.5
07:50 PM CDT	0.0	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.84	1010.5
07:35 PM CDT	SE 4.6	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.83	1010.2
07:30 PM CDT	SE 4.6	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.82	1009.8
07:20 PM CDT	SE 5.7	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.82	1009.8
07:15 PM CDT	SE 4.6	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.82	1009.8
07:00 PM CDT	SE 4.6	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.82	1009.8
06:50 PM CDT	SE 6.9	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.81	1009.5
06:45 PM CDT	SE 5.7	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.81	1009.5
06:40 PM CDT	SE 4.6	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.81	1009.5
06:35 PM CDT	SE 5.7	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.81	1009.5
06:25 PM CDT	3.4	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.81	1009.5
06:20 PM CDT	SE 4.6	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.81	1009.5
06:10 PM CDT	3.4	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.81	1009.5
06:05 PM CDT	4.6	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.81	1009.5
05:50 PM CDT	3.4	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.82	1009.8
05:40 PM CDT	0.0	10.00	Clear	--	80.6	69.8	70%	NA	83.8	29.82	1009.8
05:35 PM CDT	SE 4.6	10.00	Clear	--	80.6	68.0	66%	NA	83.3	29.82	1009.8
05:25 PM CDT	SE 3.4	10.00	Clear	--	80.6	69.8	70%	NA	83.8	29.83	1010.2
05:20 PM CDT	0.0	10.00	Clear	--	82.4	68.0	62%	NA	85.5	29.83	1010.2
05:15 PM CDT	SE 3.4	10.00	Clear	--	80.6	68.0	66%	NA	83.3	29.83	1010.2
05:10 PM CDT	4.6	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.84	1010.5
05:00 PM CDT	SE 3.4	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.84	1010.5
04:50 PM CDT	3.4	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.84	1010.5
04:40 PM CDT	SE 4.6	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.84	1010.5
04:35 PM CDT	SE 3.4	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.84	1010.5
04:25 PM CDT	4.6	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.85	1010.8
04:20 PM CDT	SE 4.6	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.85	1010.8
04:15 PM CDT	4.6	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.85	1010.8
04:10 PM CDT	6.9	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.85	1010.8
04:00 PM CDT	5.7	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.85	1010.8
03:50 PM CDT	S 4.6	10.00	Clear	--	84.2	69.8	62%	NA	88.5	29.85	1010.8
03:45 PM CDT	6.9	10.00	Clear	--	82.4	69.8	66%	NA	86.2	29.85	1010.8
03:40 PM CDT	SE 9.2	10.00	Mostly Clear	--	84.2	68.0	58%	NA	87.4	29.85	1010.8
03:35 PM CDT	6.9	10.00	Mostly Clear	--	84.2	68.0	58%	NA	87.4	29.85	1010.8
03:30 PM CDT	6.9	10.00	Mostly Clear	--	84.2	68.0	58%	NA	87.4	29.86	1011.2
03:20 PM CDT	5.7	7.00	Partly Cloudy	--	84.2	68.0	58%	NA	87.4	29.86	1011.2
03:15 PM CDT	S 8.1	10.00	Partly Cloudy	--	84.2	68.0	58%	NA	87.4	29.86	1011.2
03:10 PM CDT	8.1	10.00	Partly Cloudy	--	84.2	68.0	58%	NA	87.4	29.86	1011.2
03:00 PM CDT	5.7	10.00	Mostly Clear	--	84.2	69.8	62%	NA	88.5	29.86	1011.2
02:45 PM CDT	SE 6.9	10.00	Mostly Cloudy	--	84.2	68.0	58%	NA	87.4	29.86	1011.2
02:40 PM CDT	8.1	10.00	Mostly Cloudy	--	84.2	68.0	58%	NA	87.4	29.86	1011.2
02:35 PM CDT	9.2	10.00	Cloudy	--	84.2	66.2	55%	NA	86.5	29.87	1011.5
02:25 PM CDT	SE 5.7	10.00	Mostly Cloudy	--	84.2	69.8	62%	NA	88.5	29.87	1011.5
02:20 PM CDT	6.9	10.00	Mostly Cloudy	--	84.2	69.8	62%	NA	88.5	29.87	1011.5
02:15 PM CDT	SE 5.7	10.00	Mostly Cloudy	--	84.2	68.0	58%	NA	87.4	29.87	1011.5
02:10 PM CDT	SE 8.1	10.00	Mostly Cloudy	--	84.2	68.0	58%	NA	87.4	29.87	1011.5
02:00 PM CDT	8.1	10.00	Partly Cloudy	--	84.2	69.8	62%	NA	88.5	29.88	1011.9
01:50 PM CDT	9.2	10.00	Partly Cloudy	--	84.2	69.8	62%	NA	88.5	29.88	1011.9
01:45 PM CDT	SE 9.2	10.00	Partly Cloudy	--	84.2	68.0	58%	NA	87.4	29.88	1011.9
01:35 PM CDT	SE 5.7	10.00	Mostly Clear	--	84.2	69.8	62%	NA	88.5	29.88	1011.9
01:30 PM CDT	5.7	10.00	Clear	--	84.2	69.8	62%	NA	88.5	29.88	1011.9
01:20 PM CDT	SE 9.2	10.00	Clear	--	86.0	68.0	55%	NA	89.4	29.89	1012.2
01:15 PM CDT	SE 8.1	10.00	Mostly Clear	--	84.2	68.0	58%	NA	87.4	29.89	1012.2
01:10 PM CDT		10.00	Mostly Clear	--	86.0	68.0	55%	NA	89.4	29.89	1012.2
12:55 PM CDT	10.4 G 17.3	10.00	Mostly Clear	--	86.0	68.0	55%	NA	89.4	29.89	1012.2
12:54 PM CDT	8.1	10.00	Clear	--	86.0	69.1	57%	NA	90.1	29.89	1012.2
12:50 PM CDT	S 8.1	10.00	Clear	--	84.2	68.0	58%	NA	87.4	29.89	1012.2
12:45 PM CDT	8.1	2.00	Haze	--	84.2	68.0	58%	NA	87.4	29.89	1012.2
12:35 PM CDT	SE 6.9	10.00	Mostly Clear	--	86.0	69.8	59%	NA	90.7	29.89	1012.2
12:25 PM CDT	S 9.2	10.00	Mostly Clear	--	84.2	66.2	55%	NA	86.5	29.89	1012.2
12:20 PM CDT	S 8.1	10.00	Mostly Clear	--	84.2	66.2	55%	NA	86.5	29.90	1012.5
12:15 PM CDT	6.9	10.00	Clear	--	84.2	68.0	58%	NA	87.4	29.90	1012.5