| National Weather Service Forecast for:
Sun Prairie, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: 01/10/2026 2:17pm | ||||||||||||||||||||||||||||||||||||||||
| Sun Prairie WI | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
A chance of snow showers after 4pm. Partly sunny, with a high near 33. West wind around 15 mph. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible. |
| Tonight |
A chance of snow showers before 4am. Cloudy, with a low around 19. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible. |
| Sunday |
Mostly sunny, with a high near 30. West wind 10 to 15 mph, with gusts as high as 30 mph. |
| Sunday Night |
Partly cloudy, with a low around 25. Southwest wind around 10 mph. |
| Monday |
Sunny, with a high near 41. West wind around 10 mph. |
| Monday Night |
Mostly cloudy, with a low around 31. Southwest wind 5 to 10 mph. |
| Tuesday |
A chance of rain. Partly sunny, with a high near 45. West wind 10 to 15 mph. Chance of precipitation is 30%. |
| Tuesday Night |
A slight chance of rain before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 23. Northwest wind 10 to 15 mph. Chance of precipitation is 20%. |
| Wednesday |
A slight chance of snow before noon. Partly sunny. High near 28, with temperatures falling to around 23 in the afternoon. Chance of precipitation is 20%. |
| Wednesday Night |
Partly cloudy, with a low around 13. |
| Thursday |
A chance of snow after noon. Partly sunny, with a high near 29. Chance of precipitation is 30%. |
| Thursday Night |
A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 50%. New snow accumulation of less than one inch possible. |
| Friday |
A chance of snow. Mostly cloudy, with a high near 31. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible. |
| Friday Night |
A chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible. |
Forecast from NOAA-NWS for Sun Prairie, WI.