Hourly Weather Forecast - Sun Prairie, WI

12 AM
0°F
20%
7mph
WNW
Clear
Humidity
79%
Feels like
-13°F
Dew Point
-5°F
1 AM
0°F
20%
6mph
WNW
Clear
Humidity
78%
Feels like
-13°F
Dew Point
-6°F
2 AM
-1°F
20%
6mph
NW
Very Cold
Humidity
78%
Feels like
-13°F
Dew Point
-6°F
3 AM
-1°F
20%
6mph
NW
Very Cold
Humidity
77%
Feels like
-14°F
Dew Point
-7°F
4 AM
-2°F
20%
6mph
NW
Very Cold
Humidity
77%
Feels like
-14°F
Dew Point
-7°F

Snowfall forecast Through Tonight

Snow To Spread Across Appalachians Into Mid-Atlantic

A winter system will bring snow from the southern Appalachians to Mid-Atlantic through this evening.

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

Image courtesy of PeakPX.

Top 10 Winter Energy Saving Tips

Today's National Outlook

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Snow & Ski Forecast

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