Hourly Weather Forecast - Sumner, IA

12 AM
-1°F
0%
10mph
S
Very Cold
Humidity
84%
Feels like
-17°F
Dew Point
-5°F
1 AM
0°F
10%
10mph
S
Cloudy
Humidity
85%
Feels like
-16°F
Dew Point
-3°F
2 AM
1°F
10%
11mph
S
Mostly Cloudy
Humidity
85%
Feels like
-15°F
Dew Point
-2°F
3 AM
2°F
10%
12mph
S
Partly Cloudy
Humidity
86%
Feels like
-14°F
Dew Point
-1°F
4 AM
3°F
10%
12mph
S
Partly Cloudy
Humidity
86%
Feels like
-13°F
Dew Point
0°F
5 AM
4°F
10%
11mph
S
Mostly Clear
Humidity
85%
Feels like
-12°F
Dew Point
1°F
6 AM
5°F
10%
11mph
S
Clear
Humidity
86%
Feels like
-10°F
Dew Point
2°F
7 AM
6°F
10%
11mph
S
Clear
Humidity
87%
Feels like
-8°F
Dew Point
3°F
7:32 AM
8 AM
8°F
10%
10mph
S
Sunny
Humidity
88%
Feels like
-6°F
Dew Point
5°F
9 AM
9°F
10%
9mph
S
Sunny
Humidity
89%
Feels like
-4°F
Dew Point
6°F
10 AM
11°F
10%
9mph
S
Sunny
Humidity
88%
Feels like
-1°F
Dew Point
9°F
11 AM
14°F
10%
8mph
SSW
Mostly Sunny
Humidity
87%
Feels like
3°F
Dew Point
11°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