Hourly Weather Forecast - Denison, IA

12 AM
35°F
0%
15mph
S
Partly Cloudy
Humidity
68%
Feels like
25°F
Dew Point
25°F
1 AM
34°F
0%
14mph
S
Partly Cloudy
Humidity
70%
Feels like
25°F
Dew Point
25°F
2 AM
34°F
0%
13mph
S
Mostly Clear
Humidity
72%
Feels like
24°F
Dew Point
26°F
3 AM
33°F
0%
13mph
S
Mostly Clear
Humidity
74%
Feels like
24°F
Dew Point
26°F
4 AM
33°F
0%
13mph
S
Mostly Clear
Humidity
76%
Feels like
24°F
Dew Point
26°F
5 AM
33°F
0%
13mph
S
Mostly Clear
Humidity
77%
Feels like
24°F
Dew Point
27°F
6 AM
33°F
0%
12mph
S
Mostly Clear
Humidity
79%
Feels like
24°F
Dew Point
27°F
7 AM
34°F
0%
12mph
S
Mostly Clear
Humidity
79%
Feels like
25°F
Dew Point
28°F
7:46 AM
8 AM
35°F
0%
12mph
S
Mostly Sunny
Humidity
77%
Feels like
27°F
Dew Point
29°F
9 AM
38°F
0%
13mph
S
Mostly Sunny
Humidity
72%
Feels like
30°F
Dew Point
30°F
10 AM
41°F
0%
13mph
S
Mostly Sunny
Humidity
68%
Feels like
34°F
Dew Point
31°F
11 AM
44°F
0%
13mph
S
Sunny
Humidity
65%
Feels like
37°F
Dew Point
33°F
12 PM
46°F
0%
13mph
S
Sunny
Humidity
63%
Feels like
40°F
Dew Point
34°F
1 PM
48°F
0%
13mph
S
Mostly Sunny
Humidity
63%
Feels like
42°F
Dew Point
36°F
2 PM
49°F
0%
13mph
S
Partly Cloudy
Humidity
65%
Feels like
43°F
Dew Point
37°F
3 PM
48°F
0%
12mph
S
Partly Cloudy
Humidity
69%
Feels like
43°F
Dew Point
38°F
4 PM
46°F
0%
11mph
S
Partly Cloudy
Humidity
75%
Feels like
41°F
Dew Point
39°F
4:53 PM
5 PM
45°F
0%
10mph
S
Mostly Cloudy
Humidity
81%
Feels like
39°F
Dew Point
39°F
6 PM
44°F
0%
10mph
S
Mostly Cloudy
Humidity
86%
Feels like
38°F
Dew Point
40°F
7 PM
43°F
0%
10mph
S
Partly Cloudy
Humidity
88%
Feels like
37°F
Dew Point
40°F
8 PM
42°F
0%
11mph
SSW
Hazy
Humidity
91%
Feels like
36°F
Dew Point
40°F
9 PM
42°F
0%
11mph
SSW
Hazy
Humidity
93%
Feels like
36°F
Dew Point
40°F
10 PM
42°F
0%
11mph
SSW
Hazy
Humidity
95%
Feels like
35°F
Dew Point
40°F
11 PM
41°F
0%
11mph
SSW
Hazy
Humidity
96%
Feels like
35°F
Dew Point
40°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

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

Thursday's Weather Outlook

Thursday'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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide