Hourly Weather Forecast - Denison, IA

7:41 AM
8 AM
-6°F
0%
2mph
NNE
Very Cold
Humidity
93%
Feels like
-6°F
Dew Point
-7°F
9 AM
-3°F
0%
2mph
ESE
Very Cold
Humidity
76%
Feels like
-3°F
Dew Point
-9°F
10 AM
1°F
0%
3mph
S
Mostly Sunny
Humidity
71%
Feels like
-7°F
Dew Point
-7°F
11 AM
5°F
0%
6mph
S
Mostly Sunny
Humidity
69%
Feels like
-6°F
Dew Point
-3°F
12 PM
9°F
0%
8mph
S
Sunny
Humidity
69%
Feels like
-3°F
Dew Point
1°F
1 PM
11°F
0%
9mph
S
Sunny
Humidity
66%
Feels like
-1°F
Dew Point
2°F
2 PM
13°F
0%
10mph
S
Sunny
Humidity
65%
Feels like
0°F
Dew Point
3°F
3 PM
13°F
0%
11mph
S
Sunny
Humidity
67%
Feels like
0°F
Dew Point
4°F
4 PM
13°F
0%
12mph
S
Sunny
Humidity
67%
Feels like
-1°F
Dew Point
4°F
4:50 PM
5 PM
12°F
0%
13mph
S
Clear
Humidity
71%
Feels like
-3°F
Dew Point
5°F
6 PM
11°F
0%
14mph
S
Mostly Clear
Humidity
76%
Feels like
-4°F
Dew Point
5°F
7 PM
11°F
0%
15mph
S
Clear
Humidity
75%
Feels like
-5°F
Dew Point
5°F
8 PM
12°F
0%
17mph
S
Mostly Clear
Humidity
72%
Feels like
-5°F
Dew Point
5°F
9 PM
13°F
0%
17mph
S
Clear
Humidity
68%
Feels like
-4°F
Dew Point
5°F
10 PM
14°F
0%
19mph
SSW
Clear
Humidity
69%
Feels like
-3°F
Dew Point
6°F
11 PM
15°F
0%
19mph
SSW
Clear
Humidity
70%
Feels like
-2°F
Dew Point
7°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

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

Cold Air Damming - Cause And Effects

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