Hourly Weather Forecast - Diagonal, IA

12 AM
40°F
20%
14mph
W
Cloudy
Humidity
79%
Feels like
31°F
Dew Point
34°F
1 AM
39°F
20%
15mph
WNW
Mostly Cloudy
Humidity
78%
Feels like
30°F
Dew Point
33°F
2 AM
38°F
20%
17mph
WNW
Partly Cloudy
Humidity
76%
Feels like
29°F
Dew Point
31°F
3 AM
37°F
10%
17mph
WNW
Partly Cloudy
Humidity
75%
Feels like
27°F
Dew Point
30°F
4 AM
35°F
10%
18mph
WNW
Partly Cloudy
Humidity
76%
Feels like
24°F
Dew Point
28°F
5 AM
31°F
10%
18mph
NW
Partly Cloudy
Humidity
78%
Feels like
20°F
Dew Point
25°F
6 AM
29°F
0%
17mph
NW
Partly Cloudy
Humidity
80%
Feels like
17°F
Dew Point
24°F
7 AM
28°F
0%
17mph
NW
Partly Cloudy
Humidity
82%
Feels like
15°F
Dew Point
23°F
7:30 AM
8 AM
27°F
0%
17mph
NW
Partly Cloudy
Humidity
83%
Feels like
15°F
Dew Point
23°F
9 AM
27°F
0%
16mph
NW
Partly Cloudy
Humidity
83%
Feels like
15°F
Dew Point
23°F
10 AM
27°F
0%
16mph
NW
Partly Cloudy
Humidity
82%
Feels like
15°F
Dew Point
22°F
11 AM
28°F
0%
15mph
NW
Partly Cloudy
Humidity
78%
Feels like
17°F
Dew Point
22°F
12 PM
29°F
10%
15mph
NW
Partly Cloudy
Humidity
76%
Feels like
18°F
Dew Point
22°F
1 PM
30°F
10%
14mph
NW
Partly Cloudy
Humidity
74%
Feels like
19°F
Dew Point
22°F
2 PM
30°F
10%
13mph
NW
Partly Cloudy
Humidity
73%
Feels like
20°F
Dew Point
22°F
3 PM
30°F
10%
12mph
NW
Partly Cloudy
Humidity
73%
Feels like
20°F
Dew Point
22°F
4 PM
29°F
10%
10mph
NW
Partly Cloudy
Humidity
75%
Feels like
20°F
Dew Point
22°F
4:49 PM
5 PM
28°F
10%
9mph
NW
Partly Cloudy
Humidity
78%
Feels like
19°F
Dew Point
22°F
6 PM
26°F
20%
7mph
NW
Mostly Cloudy
Humidity
81%
Feels like
19°F
Dew Point
21°F
7 PM
26°F
20%
4mph
NNW
Mostly Cloudy
Humidity
84%
Feels like
21°F
Dew Point
21°F
8 PM
25°F
30%
3mph
NE
30% Chance of Flurries
Humidity
86%
Feels like
25°F
Dew Point
21°F
9 PM
24°F
30%
5mph
E
30% Chance of Flurries
Humidity
87%
Feels like
18°F
Dew Point
21°F
10 PM
24°F
30%
6mph
E
30% Chance of Flurries
Humidity
88%
Feels like
17°F
Dew Point
21°F
11 PM
24°F
30%
6mph
ESE
30% Chance of Flurries
Humidity
87%
Feels like
17°F
Dew Point
21°F

Snowfall Forecast Through Tonight

Snow To Impact the Rockies This Weekend

A winter storm continues across the Cascades and northern Rockies today through tonight causing periods of moderate to heavy snow.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Image courtesy of PeakPX.

Top 10 Winter Energy Saving Tips

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide