Hourly Weather Forecast - Sumner, IA

12 AM
20°F
0%
9mph
WNW
Clear
Humidity
77%
Feels like
9°F
Dew Point
13°F
1 AM
19°F
0%
8mph
WNW
Clear
Humidity
77%
Feels like
9°F
Dew Point
13°F
2 AM
18°F
10%
8mph
WNW
Clear
Humidity
77%
Feels like
8°F
Dew Point
12°F
3 AM
17°F
10%
7mph
WNW
Clear
Humidity
77%
Feels like
7°F
Dew Point
11°F
4 AM
16°F
10%
7mph
WNW
Clear
Humidity
77%
Feels like
7°F
Dew Point
10°F
5 AM
16°F
10%
6mph
WNW
Clear
Humidity
77%
Feels like
6°F
Dew Point
10°F
6 AM
15°F
10%
6mph
WNW
Clear
Humidity
76%
Feels like
7°F
Dew Point
9°F
7 AM
16°F
10%
5mph
WNW
Clear
Humidity
75%
Feels like
7°F
Dew Point
9°F
7:35 AM
8 AM
16°F
10%
5mph
NW
Sunny
Humidity
73%
Feels like
9°F
Dew Point
9°F
9 AM
17°F
10%
5mph
NW
Sunny
Humidity
71%
Feels like
10°F
Dew Point
10°F
10 AM
19°F
10%
4mph
WNW
Sunny
Humidity
67%
Feels like
13°F
Dew Point
10°F
11 AM
22°F
10%
4mph
WNW
Sunny
Humidity
64%
Feels like
16°F
Dew Point
11°F
12 PM
24°F
10%
5mph
W
Sunny
Humidity
61%
Feels like
18°F
Dew Point
12°F
1 PM
25°F
10%
5mph
W
Sunny
Humidity
60%
Feels like
19°F
Dew Point
13°F
2 PM
26°F
10%
6mph
WSW
Mostly Sunny
Humidity
61%
Feels like
19°F
Dew Point
14°F
3 PM
26°F
10%
6mph
WSW
Mostly Sunny
Humidity
62%
Feels like
20°F
Dew Point
15°F
4 PM
26°F
10%
5mph
SSW
Partly Cloudy
Humidity
65%
Feels like
20°F
Dew Point
15°F
4:37 PM
5 PM
24°F
10%
6mph
S
Mostly Cloudy
Humidity
69%
Feels like
17°F
Dew Point
16°F
6 PM
23°F
10%
7mph
SSE
Cloudy
Humidity
73%
Feels like
15°F
Dew Point
16°F
7 PM
23°F
10%
8mph
SSE
Cloudy
Humidity
74%
Feels like
14°F
Dew Point
16°F
8 PM
24°F
10%
8mph
SSE
Cloudy
Humidity
75%
Feels like
15°F
Dew Point
17°F
9 PM
24°F
10%
8mph
SSE
Cloudy
Humidity
76%
Feels like
15°F
Dew Point
17°F
10 PM
24°F
0%
8mph
SSE
Cloudy
Humidity
77%
Feels like
16°F
Dew Point
18°F
11 PM
25°F
10%
8mph
SSE
Cloudy
Humidity
78%
Feels like
16°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

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

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