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

93.2 F

Humidity:	50%
Wind Speed:	SW 12.7 G 18.4 mph
Barometer:	29.95 in
Dewpoint:	71.6 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	100.9 F
Wind Chill:	NA

Jul 18 2026, 02:15 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)
02:15 PM CDT	SW 12.7 G 18.4	10.00	Clear	--	93.2	71.6	50%	NA	100.9	29.95	1014.2
02:10 PM CDT	9.2	10.00	Clear	--	93.2	71.6	50%	NA	100.9	29.95	1014.2
02:05 PM CDT	13.8	10.00	Haze	--	93.2	71.6	50%	NA	100.9	29.96	1014.6
02:00 PM CDT	W 11.5	10.00	Haze	--	93.2	71.6	50%	NA	100.9	29.96	1014.6
01:45 PM CDT	11.5 G 17.3	10.00	Haze	--	91.4	73.4	56%	NA	100.6	29.96	1014.6
01:35 PM CDT	10.4	10.00	Haze	--	91.4	73.4	56%	NA	100.6	29.96	1014.6
01:30 PM CDT	11.5	10.00	Haze	--	91.4	73.4	56%	NA	100.6	29.96	1014.6
01:25 PM CDT	10.4	10.00	Haze	--	91.4	73.4	56%	NA	100.6	29.97	1014.9
01:20 PM CDT	SW 11.5 G 18.4	10.00	Haze	--	91.4	75.2	59%	NA	102.7	29.97	1014.9
01:15 PM CDT	9.2	10.00	Haze	--	91.4	73.4	56%	NA	100.6	29.97	1014.9
01:10 PM CDT	SW 9.2	10.00	Haze	--	91.4	73.4	56%	NA	100.6	29.97	1014.9
01:05 PM CDT	8.1	10.00	Haze	--	91.4	73.4	56%	NA	100.6	29.97	1014.9
12:50 PM CDT	W 9.2	6.00	Haze	--	91.4	73.4	56%	NA	100.6	29.98	1015.2
12:45 PM CDT	W 8.1	6.00	Haze	--	91.4	75.2	59%	NA	102.7	29.98	1015.2
12:35 PM CDT	10.4	10.00	Haze	--	91.4	73.4	56%	NA	100.6	29.98	1015.2
12:30 PM CDT	W 10.4 G 16.1	10.00	Haze	--	91.4	73.4	56%	NA	100.6	29.98	1015.2
12:25 PM CDT	10.4	10.00	Haze	--	91.4	75.2	59%	NA	102.7	29.98	1015.2
12:20 PM CDT	11.5	10.00	Haze	--	89.6	73.4	59%	NA	98.2	29.99	1015.6
12:15 PM CDT	9.2	10.00	Haze	--	89.6	75.2	63%	NA	100.2	29.99	1015.6
12:10 PM CDT	SW 9.2	10.00	Haze	--	89.6	73.4	59%	NA	98.2	29.98	1015.2
12:00 PM CDT	8.1	10.00	Haze	--	89.6	73.4	59%	NA	98.2	29.99	1015.6
11:50 AM CDT	10.4	10.00	Haze	--	89.6	75.2	63%	NA	100.2	29.99	1015.6
11:45 AM CDT	11.5	10.00	Haze	--	89.6	73.4	59%	NA	98.2	29.99	1015.6
11:35 AM CDT	W 10.4	10.00	Haze	--	89.6	75.2	63%	NA	100.2	29.99	1015.6
11:30 AM CDT	10.4	10.00	Haze	--	89.6	75.2	63%	NA	100.2	30.00	1015.9
11:20 AM CDT	10.4	10.00	Haze	--	89.6	73.4	59%	NA	98.2	30.00	1015.9
11:10 AM CDT	12.7	10.00	Haze	--	89.6	73.4	59%	NA	98.2	30.00	1015.9
11:00 AM CDT	10.4	10.00	Haze	--	89.6	75.2	63%	NA	100.2	30.00	1015.9
10:45 AM CDT	9.2	6.00	Haze	--	87.8	75.2	66%	NA	97.7	30.00	1015.9
10:40 AM CDT	10.4	10.00	Clear	--	87.8	75.2	66%	NA	97.7	30.00	1015.9
10:35 AM CDT	W 8.1	10.00	Clear	--	87.8	75.2	66%	NA	97.7	30.00	1015.9
10:30 AM CDT	10.4	10.00	Clear	--	87.8	75.2	66%	NA	97.7	30.00	1015.9
10:25 AM CDT	9.2	10.00	Clear	--	87.8	75.2	66%	NA	97.7	30.01	1016.3
10:15 AM CDT	10.4	10.00	Clear	--	87.8	75.2	66%	NA	97.7	30.01	1016.3
10:10 AM CDT	9.2	10.00	Clear	--	86.0	75.2	70%	NA	95.2	30.01	1016.3
10:00 AM CDT	10.4	10.00	Clear	--	86.0	75.2	70%	NA	95.2	30.01	1016.3
09:50 AM CDT	10.4	6.00	Haze	--	84.2	75.2	74%	NA	92.5	30.01	1016.3
09:40 AM CDT	10.4	6.00	Haze	--	84.2	75.2	74%	NA	92.5	30.01	1016.3
09:35 AM CDT	11.5	6.00	Haze	--	84.2	73.4	70%	NA	90.9	30.01	1016.3
09:30 AM CDT	11.5	6.00	Haze	--	84.2	73.4	70%	NA	90.9	30.01	1016.3
09:15 AM CDT	W 10.4	6.00	Haze	--	84.2	73.4	70%	NA	90.9	30.01	1016.3
09:10 AM CDT	W 10.4	10.00	Clear	--	84.2	73.4	70%	NA	90.9	30.02	1016.6
09:00 AM CDT	W 10.4	10.00	Clear	--	82.4	73.4	74%	NA	88.3	30.02	1016.6
08:45 AM CDT	W 11.5	10.00	Clear	--	82.4	73.4	74%	NA	88.3	30.02	1016.6
08:40 AM CDT	W 9.2	10.00	Clear	--	82.4	73.4	74%	NA	88.3	30.02	1016.6
08:35 AM CDT	W 10.4	10.00	Clear	--	82.4	73.4	74%	NA	88.3	30.02	1016.6
08:25 AM CDT	9.2	10.00	Clear	--	80.6	73.4	79%	NA	85.3	30.02	1016.6
08:20 AM CDT	12.7	10.00	Clear	--	80.6	73.4	79%	NA	85.3	30.03	1016.9
08:10 AM CDT	W 9.2	10.00	Clear	--	80.6	73.4	79%	NA	85.3	30.03	1016.9
08:05 AM CDT	W 9.2	10.00	Clear	--	80.6	73.4	79%	NA	85.3	30.03	1016.9
07:54 AM CDT	9.2	6.00	Haze	--	80.1	73.0	79%	NA	84.2	30.03	1016.9
07:50 AM CDT	W 9.2	6.00	Haze	--	80.6	73.4	79%	NA	85.3	30.03	1016.9
07:40 AM CDT	W 8.1	6.00	Haze	--	78.8	73.4	84%	NA	82.0	30.03	1016.9
07:35 AM CDT	8.1	6.00	Haze	--	78.8	71.6	79%	NA	81.7	30.03	1016.9
07:25 AM CDT	SW 8.1	6.00	Haze	--	78.8	71.6	79%	NA	81.7	30.03	1016.9
07:20 AM CDT	6.9	6.00	Haze	--	77.0	71.6	83%	NA	78.3	30.03	1016.9
07:15 AM CDT	6.9	6.00	Haze	--	77.0	71.6	83%	NA	78.3	30.03	1016.9
07:10 AM CDT	SW 6.9	6.00	Haze	--	77.0	71.6	83%	NA	78.3	30.03	1016.9
07:05 AM CDT	SW 6.9	6.00	Haze	--	77.0	71.6	83%	NA	78.3	30.03	1016.9
07:00 AM CDT	SW 5.7	6.00	Fog/Mist	--	75.2	71.6	89%	NA	76.6	30.03	1016.9
06:40 AM CDT	SW 5.7	10.00	Mostly Cloudy	--	75.2	71.6	89%	NA	76.6	30.03	1016.9
06:35 AM CDT	SW 5.7	10.00	Mostly Cloudy	--	75.2	71.6	89%	NA	76.6	30.03	1016.9
06:20 AM CDT	3.4	10.00	Mostly Cloudy	--	75.2	71.6	89%	NA	76.6	30.02	1016.6
06:15 AM CDT	4.6	10.00	Partly Cloudy	--	75.2	71.6	89%	NA	76.6	30.02	1016.6
06:10 AM CDT	SW 5.7	10.00	Mostly Clear	--	75.2	71.6	89%	NA	76.6	30.02	1016.6
06:00 AM CDT	SW 5.7	10.00	Clear	--	75.2	71.6	89%	NA	76.6	30.02	1016.6
05:50 AM CDT	SW 4.6	6.00	Fog/Mist	--	73.4	71.6	94%	NA	74.8	30.02	1016.6
05:45 AM CDT	4.6	10.00	Clear	--	73.4	71.6	94%	NA	74.8	30.02	1016.6
05:40 AM CDT	3.4	10.00	Clear	--	73.4	71.6	94%	NA	74.8	30.02	1016.6
05:35 AM CDT	0.0	10.00	Clear	--	73.4	71.6	94%	NA	74.8	30.02	1016.6
05:30 AM CDT	3.4	10.00	Clear	--	73.4	71.6	94%	NA	74.8	30.01	1016.3
05:20 AM CDT	4.6	10.00	Clear	--	73.4	71.6	94%	NA	74.8	30.01	1016.3