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

78.8 F

Humidity:	42%
Wind Speed:	E 11.5 G 17.3 mph
Barometer:	29.87 in
Dewpoint:	53.6 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	78.3 F
Wind Chill:	NA

Apr 26 2026, 02:05 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)
02:05 PM CDT	E 11.5 G 17.3	10.00	Clear	--	78.8	53.6	42%	NA	78.3	29.87	1011.5
01:50 PM CDT	SE 8.1	10.00	Clear	--	78.8	51.8	39%	NA	78.3	29.88	1011.9
01:45 PM CDT	10.4	10.00	Clear	--	78.8	51.8	39%	NA	78.3	29.88	1011.9
01:40 PM CDT	SE 9.2	10.00	Clear	--	78.8	51.8	39%	NA	78.3	29.88	1011.9
01:35 PM CDT	11.5	10.00	Clear	--	78.8	53.6	42%	NA	78.3	29.88	1011.9
01:30 PM CDT	E 9.2	10.00	Clear	--	78.8	53.6	42%	NA	78.3	29.89	1012.2
01:25 PM CDT	E 9.2	10.00	Clear	--	77.0	53.6	44%	NA	76.5	29.89	1012.2
01:15 PM CDT	4.6	10.00	Clear	--	77.0	53.6	44%	NA	76.5	29.90	1012.5
01:10 PM CDT	10.4	10.00	Clear	--	77.0	53.6	44%	NA	76.5	29.90	1012.5
01:05 PM CDT	12.7	10.00	Clear	--	77.0	53.6	44%	NA	76.5	29.90	1012.5
12:50 PM CDT	SE 10.4 G 16.1	10.00	Clear	--	77.0	53.6	44%	NA	76.5	29.91	1012.9
12:45 PM CDT	SE 10.4	10.00	Clear	--	75.2	53.6	47%	NA	74.7	29.91	1012.9
12:40 PM CDT	SE 9.2	10.00	Clear	--	75.2	53.6	47%	NA	74.7	29.91	1012.9
12:35 PM CDT	8.1	10.00	Clear	--	75.2	53.6	47%	NA	74.7	29.91	1012.9
12:25 PM CDT	10.4	10.00	Clear	--	75.2	53.6	47%	NA	74.7	29.92	1013.2
12:20 PM CDT	E 11.5	10.00	Clear	--	75.2	53.6	47%	NA	74.7	29.92	1013.2
12:15 PM CDT	E 10.4 G 19.6	10.00	Clear	--	75.2	55.4	50%	NA	74.8	29.92	1013.2
12:10 PM CDT	9.2	10.00	Clear	--	75.2	53.6	47%	NA	74.7	29.92	1013.2
12:05 PM CDT	6.9	10.00	Clear	--	75.2	53.6	47%	NA	74.7	29.92	1013.2
11:50 AM CDT	6.9	10.00	Clear	--	75.2	53.6	47%	NA	74.7	29.93	1013.5
11:40 AM CDT	5.7	10.00	Clear	--	75.2	55.4	50%	NA	74.8	29.93	1013.5
11:35 AM CDT	5.7	10.00	Clear	--	75.2	53.6	47%	NA	74.7	29.93	1013.5
11:25 AM CDT	8.1	10.00	Clear	--	73.4	53.6	50%	NA	72.9	29.93	1013.5
11:20 AM CDT	SE 9.2	10.00	Clear	--	73.4	53.6	50%	NA	72.9	29.93	1013.5
11:10 AM CDT	E 6.9	10.00	Clear	--	73.4	53.6	50%	NA	72.9	29.94	1013.9
11:05 AM CDT	SE 6.9	10.00	Clear	--	73.4	53.6	50%	NA	72.9	29.94	1013.9
10:50 AM CDT	SE 6.9	10.00	Clear	--	71.6	53.6	53%	NA	70.9	29.94	1013.9
10:45 AM CDT	5.7	10.00	Clear	--	71.6	53.6	53%	NA	70.9	29.94	1013.9
10:40 AM CDT	8.1	10.00	Clear	--	71.6	53.6	53%	NA	70.9	29.94	1013.9
10:35 AM CDT	8.1	10.00	Clear	--	71.6	53.6	53%	NA	70.9	29.95	1014.2
10:30 AM CDT	SE 6.9	10.00	Clear	--	69.8	53.6	56%	NA	NA	29.94	1013.9
10:20 AM CDT	8.1	10.00	Clear	--	71.6	53.6	53%	NA	70.9	29.94	1013.9
10:10 AM CDT	SE 5.7	10.00	Clear	--	69.8	53.6	56%	NA	NA	29.95	1014.2
10:05 AM CDT	E 5.7	10.00	Clear	--	69.8	53.6	56%	NA	NA	29.95	1014.2
10:00 AM CDT	8.1	10.00	Clear	--	69.8	53.6	56%	NA	NA	29.94	1013.9
09:45 AM CDT	9.2	10.00	Clear	--	68.0	53.6	60%	NA	NA	29.94	1013.9
09:35 AM CDT	E 6.9	10.00	Clear	--	68.0	53.6	60%	NA	NA	29.94	1013.9
08:30 AM CDT	E 5.7	10.00	Clear	--	62.6	51.8	68%	NA	NA	29.94	1013.9
08:25 AM CDT	E 5.7	10.00	Clear	--	62.6	51.8	68%	NA	NA	29.94	1013.9
08:20 AM CDT	E 4.6	10.00	Clear	--	60.8	51.8	72%	NA	NA	29.94	1013.9
08:10 AM CDT	E 3.4	10.00	Clear	--	60.8	51.8	72%	NA	NA	29.94	1013.9
08:05 AM CDT	E 5.7	10.00	Clear	--	59.0	51.8	77%	NA	NA	29.94	1013.9
07:54 AM CDT	5.8	10.00	Clear	--	57.9	52.0	81%	NA	NA	29.94	1013.9
07:50 AM CDT	E 5.7	10.00	Clear	--	57.2	51.8	82%	NA	NA	29.94	1013.9
07:45 AM CDT	E 4.6	10.00	Clear	--	57.2	51.8	82%	NA	NA	29.94	1013.9
07:35 AM CDT	4.6	10.00	Clear	--	55.4	51.8	88%	NA	NA	29.94	1013.9
07:30 AM CDT	E 4.6	10.00	Clear	--	55.4	51.8	88%	NA	NA	29.94	1013.9
07:25 AM CDT	E 3.4	10.00	Clear	--	55.4	50.0	82%	NA	NA	29.94	1013.9
07:20 AM CDT	E 3.4	10.00	Clear	--	55.4	50.0	82%	NA	NA	29.94	1013.9
07:15 AM CDT	0.0	10.00	Clear	--	53.6	48.2	82%	NA	NA	29.94	1013.9
07:10 AM CDT	0.0	10.00	Clear	--	51.8	50.0	94%	NA	NA	29.94	1013.9
07:05 AM CDT	0.0	10.00	Clear	--	51.8	48.2	87%	NA	NA	29.94	1013.9
07:00 AM CDT	0.0	10.00	Clear	--	51.8	48.2	87%	NA	NA	29.93	1013.5
06:40 AM CDT	0.0	10.00	Clear	--	50.0	48.2	94%	NA	NA	29.92	1013.2
06:35 AM CDT	0.0	10.00	Clear	--	50.0	48.2	94%	NA	NA	29.93	1013.5
06:30 AM CDT	0.0	10.00	Clear	--	50.0	48.2	94%	NA	NA	29.92	1013.2
06:20 AM CDT	0.0	10.00	Clear	--	48.2	48.2	100%	NA	NA	29.92	1013.2
06:10 AM CDT	0.0	10.00	Clear	--	48.2	46.4	93%	NA	NA	29.92	1013.2
06:00 AM CDT	0.0	10.00	Clear	--	50.0	48.2	94%	NA	NA	29.91	1012.9
05:50 AM CDT	0.0	10.00	Clear	--	50.0	48.2	94%	NA	NA	29.91	1012.9
05:45 AM CDT	0.0	10.00	Clear	--	50.0	48.2	94%	NA	NA	29.91	1012.9
05:35 AM CDT	0.0	10.00	Clear	--	51.8	48.2	87%	NA	NA	29.91	1012.9
05:30 AM CDT	0.0	10.00	Clear	--	51.8	48.2	87%	NA	NA	29.91	1012.9
05:25 AM CDT	0.0	10.00	Clear	--	51.8	48.2	87%	NA	NA	29.91	1012.9
05:20 AM CDT	0.0	10.00	Clear	--	50.0	48.2	94%	NA	NA	29.91	1012.9
05:10 AM CDT	0.0	10.00	Clear	--	50.0	48.2	94%	NA	NA	29.91	1012.9
05:00 AM CDT	0.0	10.00	Clear	--	50.0	48.2	94%	NA	NA	29.91	1012.9
04:40 AM CDT	0.0	10.00	Clear	--	51.8	48.2	87%	NA	NA	29.91	1012.9
04:35 AM CDT	0.0	10.00	Clear	--	51.8	48.2	87%	NA	NA	29.91	1012.9
04:30 AM CDT	0.0	10.00	Clear	--	51.8	48.2	87%	NA	NA	29.91	1012.9
04:20 AM CDT	0.0	10.00	Clear	--	51.8	48.2	87%	NA	NA	29.91	1012.9
04:00 AM CDT	0.0	10.00	Clear	--	53.6	46.4	77%	NA	NA	29.90	1012.5