Hourly Weather Forecast - Sumner, IA

1 PM
0°F
0%
5mph
WSW
Mostly Sunny
Humidity
62%
Feels like
-11°F
Dew Point
-10°F
2 PM
1°F
0%
5mph
WSW
Mostly Sunny
Humidity
62%
Feels like
-10°F
Dew Point
-9°F
3 PM
1°F
0%
6mph
SW
Mostly Sunny
Humidity
63%
Feels like
-10°F
Dew Point
-8°F
4 PM
1°F
0%
6mph
SSW
Mostly Sunny
Humidity
66%
Feels like
-11°F
Dew Point
-8°F
4:34 PM
5 PM
0°F
0%
7mph
SSW
Partly Cloudy
Humidity
69%
Feels like
-13°F
Dew Point
-8°F
6 PM
-1°F
0%
8mph
S
Very Cold
Humidity
72%
Feels like
-16°F
Dew Point
-8°F
7 PM
-2°F
0%
9mph
S
Very Cold
Humidity
73%
Feels like
-18°F
Dew Point
-8°F
8 PM
-2°F
0%
11mph
S
Very Cold
Humidity
75%
Feels like
-19°F
Dew Point
-8°F
9 PM
-2°F
0%
13mph
S
Very Cold
Humidity
76%
Feels like
-20°F
Dew Point
-7°F
10 PM
0°F
0%
14mph
S
Partly Cloudy
Humidity
76%
Feels like
-19°F
Dew Point
-6°F
11 PM
1°F
0%
15mph
S
Mostly Clear
Humidity
77%
Feels like
-18°F
Dew Point
-4°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

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

Cold Air Damming - Cause And Effects

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