Hourly Weather Forecast - Denison, IA

12 AM
42°F
0%
10mph
NNW
Partly Cloudy
Humidity
85%
Feels like
35°F
Dew Point
37°F
1 AM
40°F
0%
10mph
NNW
Mostly Cloudy
Humidity
86%
Feels like
34°F
Dew Point
37°F
2 AM
39°F
0%
9mph
NNW
Cloudy
Humidity
88%
Feels like
33°F
Dew Point
36°F
3 AM
38°F
0%
8mph
NNW
Cloudy
Humidity
90%
Feels like
31°F
Dew Point
35°F
4 AM
37°F
0%
8mph
NNW
Cloudy
Humidity
92%
Feels like
31°F
Dew Point
35°F
5 AM
36°F
0%
7mph
NNW
Cloudy
Humidity
92%
Feels like
30°F
Dew Point
34°F
6 AM
35°F
0%
7mph
N
Cloudy
Humidity
92%
Feels like
30°F
Dew Point
33°F
7 AM
35°F
0%
8mph
N
Cloudy
Humidity
90%
Feels like
29°F
Dew Point
33°F
7:48 AM
8 AM
36°F
0%
8mph
NNE
Cloudy
Humidity
86%
Feels like
30°F
Dew Point
32°F
9 AM
37°F
10%
7mph
NE
Mostly Cloudy
Humidity
82%
Feels like
31°F
Dew Point
32°F
10 AM
38°F
10%
6mph
ENE
Mostly Cloudy
Humidity
78%
Feels like
33°F
Dew Point
31°F
11 AM
39°F
10%
6mph
E
Partly Cloudy
Humidity
74%
Feels like
34°F
Dew Point
31°F
12 PM
40°F
10%
6mph
E
Partly Cloudy
Humidity
71%
Feels like
36°F
Dew Point
31°F
1 PM
41°F
10%
7mph
ESE
Partly Cloudy
Humidity
69%
Feels like
37°F
Dew Point
32°F
2 PM
42°F
10%
7mph
SE
Partly Cloudy
Humidity
67%
Feels like
37°F
Dew Point
32°F
3 PM
42°F
0%
8mph
SE
Partly Cloudy
Humidity
67%
Feels like
37°F
Dew Point
32°F
4 PM
41°F
10%
8mph
SSE
Mostly Sunny
Humidity
71%
Feels like
36°F
Dew Point
33°F
4:55 PM
5 PM
40°F
10%
7mph
SE
Mostly Clear
Humidity
75%
Feels like
35°F
Dew Point
33°F
6 PM
39°F
10%
7mph
SE
Mostly Clear
Humidity
79%
Feels like
34°F
Dew Point
33°F
7 PM
39°F
10%
7mph
SSE
Mostly Clear
Humidity
82%
Feels like
34°F
Dew Point
34°F
8 PM
38°F
10%
7mph
SSE
Mostly Clear
Humidity
84%
Feels like
33°F
Dew Point
34°F
9 PM
38°F
10%
7mph
SSE
Mostly Clear
Humidity
86%
Feels like
32°F
Dew Point
34°F
10 PM
37°F
10%
7mph
SSE
Mostly Clear
Humidity
87%
Feels like
32°F
Dew Point
34°F
11 PM
37°F
10%
7mph
S
Mostly Clear
Humidity
89%
Feels like
31°F
Dew Point
34°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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