Hourly Weather Forecast - Sumner, IA

12 AM
9°F
0%
21mph
NW
Windy
Humidity
75%
Feels like
-10°F
Dew Point
3°F
1 AM
8°F
0%
19mph
NW
Partly Cloudy
Humidity
76%
Feels like
-11°F
Dew Point
2°F
2 AM
7°F
0%
17mph
NW
Partly Cloudy
Humidity
76%
Feels like
-11°F
Dew Point
2°F
3 AM
7°F
0%
16mph
NW
Partly Cloudy
Humidity
77%
Feels like
-12°F
Dew Point
1°F
4 AM
6°F
0%
15mph
NW
Partly Cloudy
Humidity
77%
Feels like
-11°F
Dew Point
1°F
5 AM
6°F
0%
13mph
NW
Mostly Clear
Humidity
78%
Feels like
-11°F
Dew Point
0°F
6 AM
6°F
0%
11mph
NW
Clear
Humidity
78%
Feels like
-9°F
Dew Point
0°F
7 AM
6°F
0%
9mph
NW
Mostly Clear
Humidity
77%
Feels like
-8°F
Dew Point
0°F
7:34 AM
8 AM
6°F
0%
8mph
WNW
Partly Cloudy
Humidity
77%
Feels like
-7°F
Dew Point
1°F
9 AM
8°F
0%
7mph
WNW
Mostly Cloudy
Humidity
76%
Feels like
-4°F
Dew Point
2°F
10 AM
9°F
0%
6mph
W
Mostly Cloudy
Humidity
74%
Feels like
-1°F
Dew Point
2°F
11 AM
11°F
0%
6mph
SW
Mostly Cloudy
Humidity
71%
Feels like
1°F
Dew Point
4°F
12 PM
13°F
0%
8mph
SSW
Mostly Cloudy
Humidity
69%
Feels like
2°F
Dew Point
5°F
1 PM
15°F
0%
10mph
SSW
Mostly Cloudy
Humidity
67%
Feels like
3°F
Dew Point
6°F
2 PM
17°F
0%
12mph
S
Mostly Cloudy
Humidity
66%
Feels like
4°F
Dew Point
8°F
3 PM
18°F
0%
13mph
SSE
Mostly Cloudy
Humidity
67%
Feels like
5°F
Dew Point
9°F
4 PM
19°F
0%
14mph
SSE
Mostly Cloudy
Humidity
69%
Feels like
5°F
Dew Point
10°F
4:36 PM
5 PM
19°F
0%
15mph
SSE
Mostly Cloudy
Humidity
72%
Feels like
5°F
Dew Point
11°F
6 PM
19°F
0%
15mph
SSE
Mostly Cloudy
Humidity
75%
Feels like
4°F
Dew Point
12°F
7 PM
20°F
0%
16mph
SSE
Cloudy
Humidity
76%
Feels like
5°F
Dew Point
13°F
8 PM
21°F
0%
16mph
SSE
Cloudy
Humidity
77%
Feels like
7°F
Dew Point
15°F
9 PM
22°F
0%
16mph
S
Cloudy
Humidity
78%
Feels like
9°F
Dew Point
17°F
10 PM
23°F
0%
15mph
S
Cloudy
Humidity
79%
Feels like
10°F
Dew Point
18°F
11 PM
24°F
0%
15mph
S
Cloudy
Humidity
80%
Feels like
12°F
Dew Point
19°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

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

Wednesday's Weather Outlook

Today's Weather Outlook

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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

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