| National Weather Service Forecast for:
Sun Prairie, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: 03/10/2026 6:48am | ||||||||||||||||||||||||||||||||||||||||
| Sun Prairie WI | ||||||||||||||||||||||||||||||||||||||||
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| Today |
A chance of rain showers after 5pm. Partly sunny, with a high near 50. Northeast wind 5 to 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Tonight |
A chance of showers and thunderstorms before 7pm, then patchy fog and showers and thunderstorms likely between 7pm and 11pm, then patchy fog and showers and thunderstorms. Cloudy, with a low around 32. Northeast wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Wednesday |
Rain showers likely before 8am, then freezing rain likely and rain showers likely between 8am and 10am, then snow showers and a slight chance of sleet. Mostly cloudy, with a high near 37. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than half an inch possible. Little or no ice accumulation expected. |
| Wednesday Night |
A chance of snow showers before 7pm. Mostly clear, with a low around 24. Northwest wind 5 to 15 mph. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible. |
| Thursday |
Partly sunny, with a high near 46. Southwest wind 5 to 10 mph. |
| Thursday Night |
Rain between 7pm and 4am, then rain and snow. Mostly cloudy, with a low around 34. Southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Friday |
Rain and snow before 7am. Partly sunny, with a high near 45. West wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible. |
| Friday Night |
A slight chance of snow after 1am. Mostly cloudy, with a low around 27. North wind 5 to 10 mph. Chance of precipitation is 20%. |
| Saturday |
A chance of snow before 1pm, then a chance of rain and snow. Cloudy, with a high near 44. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible. |
| Saturday Night |
Rain and snow likely. Cloudy, with a low around 30. Chance of precipitation is 70%. New snow accumulation of less than one inch possible. |
| Sunday |
Rain and snow. Cloudy, with a high near 37. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible. |
| Sunday Night |
Rain and snow likely before 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 60%. New snow accumulation of 3 to 5 inches possible. |
| Monday |
A slight chance of snow between 7am and 1pm. Mostly cloudy, with a high near 26. Chance of precipitation is 20%. |
| Monday Night |
Partly cloudy, with a low around 8. |
Forecast from NOAA-NWS for Sun Prairie, WI.