National Weather Service Forecast for: Sun Prairie, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: 01/22/2025 2:27pm

Sun Prairie WI
 
This
Afternoon
This Afternoon: Light Snow Likely
Light Snow Likely
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Friday

Friday: Mostly Sunny
Mostly Sunny
Saturday

Saturday: Partly Sunny
Partly Sunny
Sunday

Sunday: Sunny
Sunny
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
 
Hi 21 °F Hi 16 °F Hi 20 °F Hi 33 °F Hi 25 °F Hi 33 °F Hi 39 °F  
 
Tonight

Tonight: Chance Light Snow
Chance Light Snow
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday
Night
Friday Night: Mostly Cloudy
Mostly Cloudy
Saturday
Night
Saturday Night: Partly Cloudy
Partly Cloudy
Sunday
Night
Sunday Night: Partly Cloudy
Partly Cloudy
Monday
Night
Monday Night: Partly Cloudy
Partly Cloudy
Tuesday
Night
Tuesday Night: Partly Cloudy
Partly Cloudy
 
Lo 8 °F Lo -1 °F Lo 15 °F Lo 9 °F Lo 15 °F Lo 22 °F Lo 25 °F  

 

This Afternoon
 
Snow likely. Cloudy, with a high near 21. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible.
Tonight
 
A chance of snow before 1am, then a chance of snow showers between 1am and 2am. Mostly cloudy, with a low around 8. Wind chill values as low as -3. West wind 5 to 15 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.
Thursday
 
Mostly sunny, with a high near 16. Wind chill values as low as -8. Northwest wind 10 to 15 mph.
Thursday Night
 
Mostly clear, with a low around -1. Wind chill values as low as -7. West wind 5 to 10 mph.
Friday
 
Mostly sunny, with a high near 20. Southwest wind 0 to 10 mph.
Friday Night
 
Mostly cloudy, with a low around 15. Southwest wind around 10 mph.
Saturday
 
Partly sunny, with a high near 33. West wind 10 to 15 mph.
Saturday Night
 
Partly cloudy, with a low around 9. West wind 5 to 10 mph.
Sunday
 
Sunny, with a high near 25.
Sunday Night
 
Partly cloudy, with a low around 15.
Monday
 
Sunny, with a high near 33.
Monday Night
 
Partly cloudy, with a low around 22.
Tuesday
 
Sunny, with a high near 39.
Tuesday Night
 
Partly cloudy, with a low around 25.

 

Forecast from NOAA-NWS for Sun Prairie, WI.