Hourly Weather Forecast - Sumner, IA

2 PM
27°F
10%
9mph
S
Mostly Cloudy
Humidity
93%
Feels like
18°F
Dew Point
25°F
3 PM
28°F
20%
11mph
SSE
Cloudy
Humidity
93%
Feels like
18°F
Dew Point
26°F
4 PM
29°F
20%
14mph
SSE
Cloudy
Humidity
95%
Feels like
18°F
Dew Point
28°F
4:34 PM
5 PM
29°F
40%
16mph
S
40% Chance Freezing Rain
Humidity
97%
Feels like
18°F
Dew Point
29°F
6 PM
30°F
50%
16mph
S
50% Chance Frozen Mix
Humidity
98%
Feels like
19°F
Dew Point
30°F
7 PM
32°F
30%
15mph
SSW
30% Chance Freezing Rain
Humidity
99%
Feels like
21°F
Dew Point
31°F
8 PM
33°F
40%
16mph
SW
40% Chance of Light Rain
Humidity
99%
Feels like
23°F
Dew Point
33°F
9 PM
35°F
30%
19mph
WSW
30% Chance of Light Rain
Humidity
98%
Feels like
23°F
Dew Point
34°F
10 PM
35°F
10%
22mph
W
Windy
Humidity
98%
Feels like
24°F
Dew Point
35°F
11 PM
35°F
10%
23mph
W
Windy
Humidity
97%
Feels like
24°F
Dew Point
35°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Today's Weather Outlook

Today's 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

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide