Hourly Weather Forecast - Arnold, MO

12 AM
34°F
0%
9mph
S
Partly Cloudy
Humidity
70%
Feels like
27°F
Dew Point
25°F
1 AM
34°F
0%
9mph
S
Partly Cloudy
Humidity
70%
Feels like
27°F
Dew Point
26°F
2 AM
35°F
0%
9mph
S
Partly Cloudy
Humidity
70%
Feels like
28°F
Dew Point
26°F
3 AM
35°F
0%
8mph
S
Partly Cloudy
Humidity
70%
Feels like
29°F
Dew Point
27°F
4 AM
36°F
10%
8mph
S
Partly Cloudy
Humidity
71%
Feels like
30°F
Dew Point
28°F
5 AM
36°F
10%
8mph
S
Partly Cloudy
Humidity
74%
Feels like
30°F
Dew Point
29°F
6 AM
36°F
10%
9mph
S
Partly Cloudy
Humidity
77%
Feels like
29°F
Dew Point
29°F
7 AM
36°F
10%
9mph
S
Partly Cloudy
Humidity
79%
Feels like
29°F
Dew Point
30°F
7:14 AM
8 AM
38°F
10%
9mph
S
Mostly Sunny
Humidity
80%
Feels like
31°F
Dew Point
32°F
9 AM
41°F
10%
9mph
S
Mostly Sunny
Humidity
75%
Feels like
36°F
Dew Point
34°F
10 AM
45°F
10%
10mph
S
Mostly Sunny
Humidity
71%
Feels like
40°F
Dew Point
36°F
11 AM
48°F
10%
10mph
SSW
Sunny
Humidity
69%
Feels like
43°F
Dew Point
38°F
12 PM
50°F
30%
11mph
SSW
30% Chance Rain Showers
Humidity
68%
Feels like
50°F
Dew Point
40°F
1 PM
52°F
30%
10mph
SSW
30% Chance Rain Showers
Humidity
69%
Feels like
52°F
Dew Point
42°F
2 PM
52°F
30%
10mph
SSW
30% Chance Rain Showers
Humidity
72%
Feels like
52°F
Dew Point
43°F
3 PM
51°F
30%
9mph
SSW
30% Chance Rain Showers
Humidity
73%
Feels like
51°F
Dew Point
43°F
4 PM
51°F
30%
9mph
SSW
30% Chance Rain Showers
Humidity
75%
Feels like
51°F
Dew Point
43°F
4:43 PM
5 PM
49°F
30%
8mph
SSW
30% Chance Rain Showers
Humidity
77%
Feels like
46°F
Dew Point
43°F
6 PM
49°F
30%
7mph
SSW
30% Chance Rain Showers
Humidity
77%
Feels like
45°F
Dew Point
42°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

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

Cold Air Damming - Cause And Effects

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