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

55.4 F

Humidity:	47%
Wind Speed:	0.0 mph
Barometer:	30.55 in
Dewpoint:	35.6 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Oct 17 2026, 12:40 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)
12:40 PM CDT	0.0	10.00	Clear	--	55.4	35.6	47%	NA	NA	30.55	1034.5
12:30 PM CDT	SW 4.6	10.00	Clear	--	55.4	35.6	47%	NA	NA	30.55	1034.5
12:20 PM CDT	0.0	10.00	Clear	--	53.6	35.6	50%	NA	NA	30.55	1034.5
12:00 PM CDT	SE 5.7	10.00	Clear	--	53.6	37.4	54%	NA	NA	30.56	1034.9
11:50 AM CDT	4.6	10.00	Clear	--	53.6	37.4	54%	NA	NA	30.56	1034.9
11:40 AM CDT	SE 3.4	10.00	Clear	--	53.6	37.4	54%	NA	NA	30.56	1034.9
11:30 AM CDT	4.6	10.00	Clear	--	53.6	37.4	54%	NA	NA	30.56	1034.9
11:20 AM CDT	0.0	10.00	Clear	--	51.8	37.4	58%	NA	NA	30.57	1035.2
11:10 AM CDT	0.0	10.00	Clear	--	51.8	37.4	58%	NA	NA	30.57	1035.2
11:05 AM CDT	NE 3.4	10.00	Clear	--	51.8	37.4	58%	NA	NA	30.57	1035.2
10:55 AM CDT	0.0	10.00	Clear	--	51.8	37.4	58%	NA	NA	30.57	1035.2
10:50 AM CDT	3.4	10.00	Clear	--	51.8	37.4	58%	NA	NA	30.57	1035.2
10:45 AM CDT	0.0	10.00	Clear	--	50.0	37.4	62%	NA	NA	30.57	1035.2
10:40 AM CDT	0.0	10.00	Clear	--	50.0	37.4	62%	NA	NA	30.57	1035.2
10:30 AM CDT	0.0	10.00	Clear	--	50.0	37.4	62%	NA	NA	30.57	1035.2
10:25 AM CDT	NE 4.6	10.00	Clear	--	51.8	39.2	62%	NA	NA	30.58	1035.6
10:15 AM CDT	SE 3.4	10.00	Clear	--	50.0	39.2	66%	NA	NA	30.58	1035.6
10:10 AM CDT	E 3.4	10.00	Clear	--	48.2	39.2	71%	47.3	NA	30.58	1035.6
10:00 AM CDT	0.0	10.00	Clear	--	48.2	37.4	66%	NA	NA	30.58	1035.6
09:50 AM CDT	NE 4.6	10.00	Clear	--	48.2	37.4	66%	46.4	NA	30.58	1035.6
09:35 AM CDT	3.4	10.00	Clear	--	46.4	37.4	71%	45.1	NA	30.57	1035.2
09:30 AM CDT	NE 3.4	10.00	Clear	--	46.4	37.4	71%	45.1	NA	30.57	1035.2
09:20 AM CDT	4.6	10.00	Clear	--	46.4	39.2	76%	44.2	NA	30.57	1035.2
09:15 AM CDT	NE 3.4	10.00	Clear	--	46.4	39.2	76%	45.1	NA	30.57	1035.2
09:10 AM CDT	4.6	10.00	Clear	--	46.4	37.4	71%	44.2	NA	30.57	1035.2
09:05 AM CDT	4.6	10.00	Clear	--	46.4	39.2	76%	44.2	NA	30.57	1035.2
09:00 AM CDT	4.6	10.00	Clear	--	46.4	39.2	76%	44.2	NA	30.57	1035.2
08:45 AM CDT	4.6	10.00	Clear	--	44.6	37.4	76%	42.1	NA	30.57	1035.2
08:40 AM CDT	4.6	10.00	Clear	--	44.6	37.4	76%	42.1	NA	30.57	1035.2
08:35 AM CDT	4.6	10.00	Clear	--	44.6	37.4	76%	42.1	NA	30.57	1035.2
08:30 AM CDT	4.6	10.00	Clear	--	44.6	37.4	76%	42.1	NA	30.56	1034.9
08:25 AM CDT	3.4	10.00	Clear	--	44.6	39.2	81%	43.2	NA	30.56	1034.9
08:10 AM CDT	0.0	10.00	Clear	--	42.8	39.2	87%	NA	NA	30.56	1034.9
08:05 AM CDT	0.0	10.00	Clear	--	42.8	39.2	87%	NA	NA	30.56	1034.9
07:45 AM CDT	3.4	10.00	Clear	--	39.2	37.4	93%	37.0	NA	30.55	1034.5
07:40 AM CDT	W 3.4	10.00	Clear	--	37.4	37.4	100%	34.9	NA	30.55	1034.5
07:35 AM CDT	0.0	10.00	Clear	--	37.4	35.6	93%	NA	NA	30.55	1034.5
07:30 AM CDT	3.4	10.00	Clear	--	39.2	37.4	93%	37.0	NA	30.55	1034.5
07:15 AM CDT	3.4	10.00	Clear	--	37.4	35.6	93%	34.9	NA	30.55	1034.5
07:10 AM CDT	W 4.6	10.00	Clear	--	37.4	35.6	93%	33.8	NA	30.54	1034.2
07:00 AM CDT	W 4.6	10.00	Clear	--	37.4	35.6	93%	33.8	NA	30.54	1034.2
06:45 AM CDT	W 3.4	10.00	Clear	--	37.4	37.4	100%	34.9	NA	30.54	1034.2
06:40 AM CDT	3.4	10.00	Clear	--	39.2	37.4	93%	37.0	NA	30.54	1034.2
06:35 AM CDT	3.4	10.00	Clear	--	39.2	37.4	93%	37.0	NA	30.54	1034.2
06:20 AM CDT	0.0	10.00	Clear	--	39.2	37.4	93%	NA	NA	30.53	1033.9
06:05 AM CDT	4.6	10.00	Clear	--	39.2	37.4	93%	35.8	NA	30.52	1033.5
06:00 AM CDT	4.6	10.00	Clear	--	39.2	37.4	93%	35.8	NA	30.52	1033.5
05:40 AM CDT	0.0	10.00	Clear	--	39.2	37.4	93%	NA	NA	30.51	1033.2
05:35 AM CDT	0.0	10.00	Clear	--	39.2	39.2	100%	NA	NA	30.51	1033.2
05:25 AM CDT	0.0	10.00	Clear	--	41.0	39.2	93%	NA	NA	30.51	1033.2
05:20 AM CDT	0.0	10.00	Clear	--	41.0	39.2	93%	NA	NA	30.51	1033.2
05:10 AM CDT	0.0	10.00	Clear	--	41.0	39.2	93%	NA	NA	30.51	1033.2
05:05 AM CDT	0.0	10.00	Clear	--	41.0	39.2	93%	NA	NA	30.51	1033.2
05:00 AM CDT	0.0	10.00	Clear	--	41.0	39.2	93%	NA	NA	30.51	1033.2
04:50 AM CDT	0.0	10.00	Clear	--	41.0	39.2	93%	NA	NA	30.51	1033.2
04:40 AM CDT	0.0	10.00	Clear	--	41.0	39.2	93%	NA	NA	30.50	1032.8
04:30 AM CDT	0.0	10.00	Clear	--	42.8	39.2	87%	NA	NA	30.50	1032.8
04:25 AM CDT	0.0	10.00	Clear	--	42.8	39.2	87%	NA	NA	30.50	1032.8
04:15 AM CDT	0.0	10.00	Clear	--	42.8	39.2	87%	NA	NA	30.49	1032.5
04:05 AM CDT	0.0	10.00	Clear	--	42.8	39.2	87%	NA	NA	30.49	1032.5
04:00 AM CDT	0.0	10.00	Clear	--	42.8	39.2	87%	NA	NA	30.49	1032.5
03:50 AM CDT	3.4	10.00	Clear	--	44.6	39.2	81%	43.2	NA	30.49	1032.5
03:45 AM CDT	NW 3.4	10.00	Clear	--	44.6	39.2	81%	43.2	NA	30.49	1032.5
03:40 AM CDT	3.4	10.00	Clear	--	44.6	39.2	81%	43.2	NA	30.49	1032.5
03:30 AM CDT	NW 5.7	10.00	Clear	--	44.6	39.2	81%	41.4	NA	30.48	1032.2
03:25 AM CDT	NW 4.6	10.00	Clear	--	44.6	39.2	81%	42.1	NA	30.48	1032.2
03:05 AM CDT	6.9	10.00	Clear	--	46.4	39.2	76%	43.0	NA	30.48	1032.2
02:55 AM CDT	6.9	10.00	Clear	--	46.4	39.2	76%	43.0	NA	30.48	1032.2
02:50 AM CDT	NW 5.7	10.00	Clear	--	46.4	39.2	76%	43.5	NA	30.49	1032.5
02:45 AM CDT	6.9	10.00	Clear	--	46.4	39.2	76%	43.0	NA	30.48	1032.2
02:40 AM CDT	NW 5.7	10.00	Clear	--	46.4	39.2	76%	43.5	NA	30.48	1032.2
02:35 AM CDT	NW 5.7	10.00	Clear	--	46.4	39.2	76%	43.5	NA	30.48	1032.2