Hourly Weather Forecast - Arnold, MO

12 AM
38°F
0%
10mph
NNW
Mostly Clear
Humidity
75%
Feels like
31°F
Dew Point
30°F
1 AM
37°F
0%
9mph
NNW
Clear
Humidity
76%
Feels like
30°F
Dew Point
30°F
2 AM
36°F
0%
8mph
NNW
Clear
Humidity
75%
Feels like
29°F
Dew Point
28°F
3 AM
35°F
0%
6mph
NNW
Clear
Humidity
75%
Feels like
29°F
Dew Point
28°F
4 AM
34°F
0%
5mph
NW
Clear
Humidity
75%
Feels like
30°F
Dew Point
27°F
5 AM
34°F
0%
4mph
NW
Clear
Humidity
79%
Feels like
30°F
Dew Point
28°F
6 AM
33°F
0%
3mph
WNW
Clear
Humidity
81%
Feels like
33°F
Dew Point
28°F
7 AM
34°F
0%
3mph
WNW
Clear
Humidity
81%
Feels like
34°F
Dew Point
29°F
7:17 AM
8 AM
36°F
0%
3mph
W
Sunny
Humidity
78%
Feels like
34°F
Dew Point
30°F
9 AM
40°F
0%
4mph
W
Sunny
Humidity
73%
Feels like
38°F
Dew Point
32°F
10 AM
45°F
0%
4mph
W
Sunny
Humidity
64%
Feels like
43°F
Dew Point
34°F
11 AM
49°F
0%
5mph
W
Sunny
Humidity
56%
Feels like
47°F
Dew Point
34°F
12 PM
52°F
0%
5mph
W
Sunny
Humidity
49%
Feels like
52°F
Dew Point
33°F
1 PM
54°F
0%
6mph
WSW
Sunny
Humidity
44%
Feels like
54°F
Dew Point
32°F
2 PM
54°F
0%
6mph
WSW
Sunny
Humidity
41%
Feels like
54°F
Dew Point
31°F
3 PM
55°F
0%
7mph
SW
Sunny
Humidity
40%
Feels like
55°F
Dew Point
30°F
4 PM
54°F
0%
8mph
SSW
Sunny
Humidity
40%
Feels like
54°F
Dew Point
30°F
5 PM
53°F
0%
8mph
SSW
Sunny
Humidity
42%
Feels like
53°F
Dew Point
30°F
6 PM
51°F
0%
8mph
S
Sunny
Humidity
45%
Feels like
51°F
Dew Point
30°F
7 PM
49°F
0%
9mph
S
Sunny
Humidity
49%
Feels like
45°F
Dew Point
30°F
7:05 PM
8 PM
47°F
0%
10mph
S
Clear
Humidity
54%
Feels like
42°F
Dew Point
31°F
9 PM
46°F
0%
11mph
S
Clear
Humidity
58%
Feels like
40°F
Dew Point
32°F
10 PM
45°F
0%
12mph
S
Clear
Humidity
57%
Feels like
39°F
Dew Point
31°F
11 PM
45°F
0%
13mph
SSW
Clear
Humidity
57%
Feels like
38°F
Dew Point
30°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