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)

Clear

73.4 F

Humidity:	69%
Wind Speed:	S 3.4 mph
Barometer:	29.86 in
Dewpoint:	62.6 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	73.8 F
Wind Chill:	NA

May 16 2026, 11:15 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)
11:15 PM CDT	S 3.4	10.00	Clear	--	73.4	62.6	69%	NA	73.8	29.86	1011.2
11:10 PM CDT	4.6	10.00	Clear	--	75.2	62.6	65%	NA	75.6	29.86	1011.2
11:05 PM CDT	3.4	10.00	Clear	--	73.4	64.4	73%	NA	73.9	29.85	1010.8
10:54 PM CDT	0.0	10.00	Clear	--	75.0	64.0	69%	NA	75.4	29.85	1010.8
10:50 PM CDT	0.0	10.00	Clear	--	75.2	64.4	69%	NA	75.7	29.85	1010.8
10:35 PM CDT	3.4	10.00	Clear	--	75.2	64.4	69%	NA	75.7	29.85	1010.8
10:30 PM CDT	S 4.6	10.00	Clear	--	75.2	64.4	69%	NA	75.7	29.84	1010.5
10:20 PM CDT	S 3.4	10.00	Clear	--	75.2	64.4	69%	NA	75.7	29.84	1010.5
10:10 PM CDT	S 3.4	10.00	Clear	--	75.2	64.4	69%	NA	75.7	29.83	1010.2
10:05 PM CDT	S 8.1	10.00	Clear	--	73.4	64.4	73%	NA	73.9	29.83	1010.2
10:00 PM CDT	S 3.4	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.83	1010.2
09:50 PM CDT	S 5.7	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.83	1010.2
09:35 PM CDT	5.7	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.82	1009.8
09:30 PM CDT	4.6	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.83	1010.2
09:25 PM CDT	5.7	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.83	1010.2
09:20 PM CDT	4.6	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.83	1010.2
09:10 PM CDT	SE 5.7	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.83	1010.2
09:05 PM CDT	SE 5.7	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.83	1010.2
08:45 PM CDT	SE 4.6	10.00	Clear	--	73.4	68.0	83%	NA	74.3	29.83	1010.2
08:35 PM CDT	0.0	10.00	Clear	--	73.4	68.0	83%	NA	74.3	29.83	1010.2
08:25 PM CDT	0.0	10.00	Clear	--	75.2	69.8	83%	NA	76.3	29.83	1010.2
08:20 PM CDT	SE 4.6	10.00	Clear	--	75.2	69.8	83%	NA	76.3	29.83	1010.2
08:10 PM CDT	SE 4.6	10.00	Clear	--	75.2	69.8	83%	NA	76.3	29.83	1010.2
08:05 PM CDT	4.6	10.00	Clear	--	75.2	69.8	83%	NA	76.3	29.83	1010.2
07:50 PM CDT	3.4	10.00	Clear	--	75.2	69.8	83%	NA	76.3	29.83	1010.2
07:45 PM CDT	3.4	10.00	Clear	--	75.2	69.8	83%	NA	76.3	29.83	1010.2
07:35 PM CDT	SE 3.4	10.00	Clear	--	75.2	69.8	83%	NA	76.3	29.83	1010.2
07:30 PM CDT	4.6	10.00	Clear	--	75.2	69.8	83%	NA	76.3	29.83	1010.2
07:25 PM CDT	3.4	10.00	Clear	--	77.0	69.8	78%	NA	78.1	29.83	1010.2
07:15 PM CDT	SE 5.7	10.00	Clear	--	77.0	69.8	78%	NA	78.1	29.83	1010.2
07:10 PM CDT	SE 8.1	10.00	Clear	--	77.0	69.8	78%	NA	78.1	29.83	1010.2
07:05 PM CDT	SE 6.9	10.00	Clear	--	77.0	69.8	78%	NA	78.1	29.83	1010.2
07:00 PM CDT	SE 4.6	10.00	Clear	--	77.0	69.8	78%	NA	78.1	29.84	1010.5
06:45 PM CDT	SE 4.6	10.00	Clear	--	75.2	69.8	83%	NA	76.3	29.83	1010.2
06:40 PM CDT	SE 6.9	10.00	Clear	--	75.2	68.0	78%	NA	76.1	29.83	1010.2
06:35 PM CDT	6.9	10.00	Clear	--	77.0	68.0	74%	NA	77.9	29.83	1010.2
06:25 PM CDT	SE 6.9	10.00	Clear	--	77.0	68.0	74%	NA	77.9	29.83	1010.2
06:20 PM CDT	5.7	10.00	Clear	--	77.0	68.0	74%	NA	77.9	29.83	1010.2
06:15 PM CDT	SE 5.7	10.00	Clear	--	77.0	68.0	74%	NA	77.9	29.83	1010.2
06:10 PM CDT	4.6	10.00	Clear	--	78.8	68.0	70%	NA	79.7	29.83	1010.2
06:05 PM CDT	SE 8.1	10.00	Clear	--	77.0	68.0	74%	NA	77.9	29.83	1010.2
05:54 PM CDT	6.9	10.00	Clear	--	77.0	68.0	74%	NA	77.9	29.83	1010.2
05:45 PM CDT	SE 5.7	10.00	Clear	--	77.0	68.0	74%	NA	77.9	29.83	1010.2
05:35 PM CDT	5.7	10.00	Clear	--	77.0	68.0	74%	NA	77.9	29.83	1010.2
05:30 PM CDT	SE 8.1	10.00	Clear	--	77.0	68.0	74%	NA	77.9	29.84	1010.5
05:20 PM CDT	9.2	10.00	Clear	--	77.0	69.8	78%	NA	78.1	29.85	1010.8
05:15 PM CDT	10.4 G 17.3	10.00	Clear	--	78.8	69.8	74%	NA	79.9	29.85	1010.8
05:10 PM CDT	SE 9.2	10.00	Clear	--	77.0	69.8	78%	NA	78.1	29.86	1011.2
05:00 PM CDT	E 6.9	10.00	Clear	--	75.2	69.8	83%	NA	76.3	29.86	1011.2
04:50 PM CDT	E 6.9	10.00	Clear	--	75.2	69.8	83%	NA	76.3	29.87	1011.5
04:35 PM CDT	E 4.6	10.00	Clear	--	75.2	69.8	83%	NA	76.3	29.88	1011.9
04:30 PM CDT	E 6.9	10.00	Clear	--	75.2	68.0	78%	NA	76.1	29.88	1011.9
04:20 PM CDT	4.6	10.00	Clear	--	75.2	68.0	78%	NA	76.1	29.89	1012.2
04:15 PM CDT	5.7	10.00	Clear	--	75.2	68.0	78%	NA	76.1	29.89	1012.2
04:10 PM CDT	E 6.9	10.00	Clear	--	75.2	68.0	78%	NA	76.1	29.88	1011.9
04:00 PM CDT	E 9.2	10.00	Mostly Clear	--	73.4	68.0	83%	NA	74.3	29.88	1011.9
03:50 PM CDT	E 10.4	10.00	Mostly Clear	--	73.4	66.2	78%	NA	74.1	29.89	1012.2
03:45 PM CDT	11.5	10.00	Mostly Clear	--	73.4	66.2	78%	NA	74.1	29.88	1011.9
03:40 PM CDT		10.00	Mostly Clear	--	73.4	66.2	78%	NA	74.1	29.89	1012.2
03:35 PM CDT		10.00	Mostly Clear	--	75.2	69.8	83%	NA	76.3	29.90	1012.5
03:20 PM CDT	11.5	10.00	Clear	--	75.2	69.8	83%	NA	76.3	29.91	1012.9
03:15 PM CDT	E 9.2	10.00	Clear	--	75.2	69.8	83%	NA	76.3	29.92	1013.2
03:00 PM CDT	8.1	10.00	Clear	--	75.2	69.8	83%	NA	76.3	29.92	1013.2
02:45 PM CDT	8.1	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.93	1013.5
02:35 PM CDT	E 6.9	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.92	1013.2
02:20 PM CDT	6.9	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.93	1013.5
02:15 PM CDT	8.1	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.94	1013.9
02:10 PM CDT	NE 6.9	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.94	1013.9
02:05 PM CDT	NE 9.2	10.00	Clear	--	71.6	66.2	83%	NA	72.3	29.94	1013.9
01:50 PM CDT	6.9	10.00	Light Rain	--	71.6	66.2	83%	NA	72.3	29.93	1013.5
01:45 PM CDT	NE 6.9	10.00	Partly Cloudy	--	71.6	64.4	78%	NA	72.1	29.93	1013.5
01:40 PM CDT	4.6	10.00	Light Rain	--	71.6	64.4	78%	NA	72.1	29.92	1013.2