| National Weather Service Forecast for:
Sun Prairie, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: 02/28/2026 4:12pm | ||||||||||||||||||||||||||||||||||||||||
| Sun Prairie WI | ||||||||||||||||||||||||||||||||||||||||
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Winter Weather Advisory issued February 28 at 4:05PM CST until February 28 at 6:00PM CST
Winter Weather Advisory issued February 28 at 12:59PM CST until February 28 at 6:00PM CST
| This Afternoon |
Snow. Cloudy, with a high near 27. Northeast wind around 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible. |
| Tonight |
A chance of snow before 9pm. Mostly cloudy, with a low around 13. North wind 5 to 10 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible. |
| Sunday |
Mostly sunny, with a high near 30. North wind around 5 mph. |
| Sunday Night |
Mostly clear, with a low around 16. East wind 0 to 5 mph. |
| Monday |
Mostly sunny, with a high near 41. Southeast wind 5 to 10 mph. |
| Monday Night |
A slight chance of snow before midnight, then rain and snow likely between midnight and 3am, then rain and snow likely. Mostly cloudy, with a low around 30. Southeast wind 0 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible. |
| Tuesday |
Rain and snow likely. Mostly cloudy, with a high near 43. East wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday Night |
A slight chance of rain after midnight. Partly cloudy, with a low around 29. Northeast wind around 5 mph. Chance of precipitation is 20%. |
| Wednesday |
A chance of rain. Partly sunny. High near 49, with temperatures falling to around 43 in the afternoon. Chance of precipitation is 30%. |
| Wednesday Night |
A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 40%. |
| Thursday |
A chance of rain. Mostly cloudy, with a high near 53. Chance of precipitation is 40%. |
| Thursday Night |
A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 40%. |
| Friday |
A chance of rain. Mostly cloudy. High near 59, with temperatures falling to around 53 in the afternoon. Chance of precipitation is 50%. |
| Friday Night |
Rain likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%. |
Forecast from NOAA-NWS for Sun Prairie, WI.