Hourly Weather Forecast - Arnold, MO

12 AM
43°F
0%
3mph
NNE
Mostly Clear
Humidity
52%
Feels like
41°F
Dew Point
27°F
1 AM
41°F
0%
4mph
NE
Mostly Clear
Humidity
54%
Feels like
39°F
Dew Point
26°F
2 AM
40°F
0%
4mph
ENE
Mostly Clear
Humidity
56%
Feels like
37°F
Dew Point
25°F
3 AM
38°F
0%
4mph
ENE
Clear
Humidity
57%
Feels like
35°F
Dew Point
24°F
4 AM
37°F
0%
4mph
ENE
Clear
Humidity
59%
Feels like
34°F
Dew Point
24°F
5 AM
36°F
0%
5mph
ENE
Mostly Clear
Humidity
61%
Feels like
32°F
Dew Point
24°F
6 AM
36°F
0%
5mph
ENE
Partly Cloudy
Humidity
63%
Feels like
31°F
Dew Point
24°F
7 AM
36°F
0%
6mph
ENE
Partly Cloudy
Humidity
64%
Feels like
31°F
Dew Point
25°F
7:14 AM
8 AM
38°F
0%
6mph
E
Partly Cloudy
Humidity
61%
Feels like
33°F
Dew Point
26°F
9 AM
42°F
0%
7mph
E
Mostly Sunny
Humidity
57%
Feels like
37°F
Dew Point
28°F
10 AM
46°F
0%
8mph
ESE
Mostly Sunny
Humidity
52%
Feels like
42°F
Dew Point
29°F
11 AM
50°F
0%
9mph
ESE
Mostly Sunny
Humidity
48%
Feels like
46°F
Dew Point
31°F
12 PM
53°F
0%
9mph
ESE
Partly Cloudy
Humidity
47%
Feels like
53°F
Dew Point
33°F
1 PM
55°F
0%
9mph
SE
Partly Cloudy
Humidity
47%
Feels like
55°F
Dew Point
35°F
2 PM
58°F
0%
9mph
SE
Partly Cloudy
Humidity
46%
Feels like
58°F
Dew Point
37°F
3 PM
60°F
0%
9mph
SE
Mostly Cloudy
Humidity
46%
Feels like
60°F
Dew Point
39°F
4 PM
62°F
0%
9mph
SE
Cloudy
Humidity
47%
Feels like
62°F
Dew Point
41°F
5 PM
62°F
0%
9mph
SE
Cloudy
Humidity
49%
Feels like
62°F
Dew Point
43°F
6 PM
60°F
0%
8mph
SE
Cloudy
Humidity
53%
Feels like
60°F
Dew Point
43°F
7 PM
57°F
0%
7mph
SE
Mostly Cloudy
Humidity
62%
Feels like
57°F
Dew Point
44°F
7:07 PM
8 PM
53°F
0%
8mph
SE
Cloudy
Humidity
69%
Feels like
53°F
Dew Point
44°F
9 PM
51°F
0%
8mph
SE
Cloudy
Humidity
74%
Feels like
51°F
Dew Point
44°F
10 PM
52°F
10%
9mph
SE
Cloudy
Humidity
74%
Feels like
52°F
Dew Point
44°F
11 PM
52°F
10%
9mph
SSE
Cloudy
Humidity
75%
Feels like
52°F
Dew Point
44°F

Today's Severe Weather Outlook

Severe Storms Rally from Gulf Coast to Mid-Atlantic

Multiple rounds of severe storms will form today from the Gulf Coast to the Mid-Atlantic.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for March 5, 2026

Drought Worsens Nationwide Despite Multiple Disturbances

A tornado on the ground in Hildreth, Neb., on June 14, 2014 (NOAA Photo Library/Ken Engquist).

Tornadoes and Road Safety -- Do's and Don't's

A pothole big enough to hold a traffic cone and garbage. (David Shankbone, Wikimedia Common)

Potholes: A Springtime Driving Menace

This John Deere riding mower continues to hum along. (Wikimedia Commons)

Spring Mower and Power Tool Seasonal Checklist

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Today's National Outlook

Hurricane Tracker

Allergy Forecast

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Outdoor Sports Guide