Hourly Weather Forecast - Arnold, MO

12 AM
34°F
10%
5mph
SE
Mostly Clear
Humidity
70%
Feels like
29°F
Dew Point
25°F
1 AM
33°F
0%
5mph
SE
Mostly Clear
Humidity
71%
Feels like
29°F
Dew Point
25°F
2 AM
33°F
10%
5mph
SE
Mostly Clear
Humidity
72%
Feels like
28°F
Dew Point
25°F
3 AM
32°F
10%
5mph
SE
Mostly Clear
Humidity
73%
Feels like
27°F
Dew Point
25°F
4 AM
32°F
20%
5mph
SE
Mostly Clear
Humidity
74%
Feels like
27°F
Dew Point
25°F
5 AM
31°F
30%
5mph
SE
30% Chance Snow Showers
Humidity
76%
Feels like
27°F
Dew Point
25°F
6 AM
31°F
20%
5mph
SE
Partly Cloudy
Humidity
78%
Feels like
27°F
Dew Point
25°F
7 AM
32°F
10%
5mph
SE
Partly Cloudy
Humidity
78%
Feels like
27°F
Dew Point
26°F
7:15 AM
8 AM
35°F
10%
5mph
SE
Mostly Cloudy
Humidity
75%
Feels like
30°F
Dew Point
27°F
9 AM
38°F
10%
6mph
SE
Cloudy
Humidity
71%
Feels like
33°F
Dew Point
29°F
10 AM
41°F
10%
6mph
SE
Mostly Cloudy
Humidity
67%
Feels like
37°F
Dew Point
31°F
11 AM
44°F
10%
6mph
SE
Mostly Cloudy
Humidity
64%
Feels like
40°F
Dew Point
33°F
12 PM
47°F
10%
6mph
SE
Partly Cloudy
Humidity
63%
Feels like
43°F
Dew Point
35°F
1 PM
49°F
10%
6mph
SE
Partly Cloudy
Humidity
63%
Feels like
46°F
Dew Point
37°F
2 PM
49°F
10%
6mph
SSE
Partly Cloudy
Humidity
66%
Feels like
47°F
Dew Point
39°F
3 PM
49°F
10%
6mph
SSE
Mostly Cloudy
Humidity
70%
Feels like
47°F
Dew Point
40°F
4 PM
48°F
10%
6mph
SSE
Mostly Cloudy
Humidity
77%
Feels like
45°F
Dew Point
41°F
4:44 PM
5 PM
47°F
0%
6mph
SSE
Mostly Cloudy
Humidity
82%
Feels like
44°F
Dew Point
42°F
6 PM
45°F
0%
5mph
SSE
Mostly Cloudy
Humidity
87%
Feels like
42°F
Dew Point
42°F
7 PM
45°F
10%
5mph
SSE
Partly Cloudy
Humidity
90%
Feels like
42°F
Dew Point
42°F
8 PM
44°F
10%
6mph
SSE
Partly Cloudy
Humidity
92%
Feels like
41°F
Dew Point
42°F
9 PM
45°F
10%
6mph
S
Hazy
Humidity
93%
Feels like
41°F
Dew Point
43°F
10 PM
45°F
10%
6mph
S
Partly Cloudy
Humidity
95%
Feels like
42°F
Dew Point
43°F
11 PM
45°F
10%
5mph
S
Partly Cloudy
Humidity
97%
Feels like
42°F
Dew Point
44°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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