Hourly Weather Forecast - Denison, IA

12 AM
34°F
10%
16mph
SSW
Partly Cloudy
Humidity
62%
Feels like
24°F
Dew Point
23°F
1 AM
35°F
10%
15mph
SSW
Partly Cloudy
Humidity
62%
Feels like
26°F
Dew Point
24°F
2 AM
36°F
10%
15mph
SSW
Mostly Clear
Humidity
62%
Feels like
27°F
Dew Point
24°F
3 AM
37°F
10%
14mph
SSW
Clear
Humidity
63%
Feels like
28°F
Dew Point
25°F
4 AM
36°F
10%
13mph
SSW
Clear
Humidity
65%
Feels like
28°F
Dew Point
26°F
5 AM
35°F
10%
12mph
SSW
Clear
Humidity
70%
Feels like
27°F
Dew Point
27°F
6 AM
35°F
10%
11mph
SSW
Clear
Humidity
75%
Feels like
27°F
Dew Point
28°F
7 AM
35°F
10%
11mph
SW
Clear
Humidity
77%
Feels like
27°F
Dew Point
29°F
7:45 AM
8 AM
37°F
10%
11mph
SW
Sunny
Humidity
75%
Feels like
30°F
Dew Point
30°F
9 AM
39°F
10%
10mph
WSW
Mostly Sunny
Humidity
72%
Feels like
32°F
Dew Point
31°F
10 AM
40°F
10%
11mph
W
Mostly Sunny
Humidity
70%
Feels like
34°F
Dew Point
31°F
11 AM
42°F
10%
11mph
WNW
Mostly Sunny
Humidity
68%
Feels like
35°F
Dew Point
32°F
12 PM
43°F
10%
11mph
NW
Mostly Sunny
Humidity
66%
Feels like
37°F
Dew Point
32°F
1 PM
44°F
10%
11mph
NW
Mostly Sunny
Humidity
65%
Feels like
38°F
Dew Point
32°F
2 PM
43°F
10%
10mph
NW
Mostly Sunny
Humidity
65%
Feels like
38°F
Dew Point
32°F
3 PM
42°F
10%
10mph
NW
Mostly Sunny
Humidity
68%
Feels like
36°F
Dew Point
32°F
4 PM
40°F
10%
9mph
NNW
Mostly Sunny
Humidity
74%
Feels like
34°F
Dew Point
32°F
4:52 PM
5 PM
38°F
10%
10mph
NNW
Mostly Clear
Humidity
80%
Feels like
31°F
Dew Point
32°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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