Hourly Weather Forecast - Sun Prairie, WI

3 PM
12°F
0%
7mph
N
Mostly Sunny
Humidity
74%
Feels like
2°F
Dew Point
6°F
4 PM
11°F
0%
6mph
N
Mostly Sunny
Humidity
75%
Feels like
0°F
Dew Point
4°F
4:21 PM
5 PM
9°F
0%
6mph
N
Mostly Clear
Humidity
77%
Feels like
-1°F
Dew Point
3°F
6 PM
7°F
0%
5mph
N
Mostly Clear
Humidity
80%
Feels like
-2°F
Dew Point
2°F
7 PM
6°F
0%
5mph
N
Mostly Clear
Humidity
82%
Feels like
-3°F
Dew Point
2°F
8 PM
6°F
0%
4mph
N
Mostly Clear
Humidity
80%
Feels like
-2°F
Dew Point
1°F
9 PM
6°F
0%
4mph
N
Partly Cloudy
Humidity
79%
Feels like
-2°F
Dew Point
1°F
10 PM
5°F
0%
4mph
N
Mostly Cloudy
Humidity
78%
Feels like
-2°F
Dew Point
0°F
11 PM
5°F
0%
4mph
N
Mostly Cloudy
Humidity
78%
Feels like
-3°F
Dew Point
-1°F

Snow Totals Through Tonight

Snow Impacts Great Lakes to New England

A low pressure system spurs a swath of snow from Wisconsin to New England today.

Monday's Weather Outlook

Monday'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

Image courtesy of PeakPX.

Top 10 Winter Energy Saving Tips

Today's National Outlook

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