| National Weather Service Forecast for:
Sun Prairie, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: 02/06/2026 5:27pm | ||||||||||||||||||||||||||||||||||||||||
| Sun Prairie WI | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Mostly clear, with a low around 3. Wind chill values as low as -3. North wind 5 to 10 mph, with gusts as high as 25 mph. |
| Saturday |
Mostly sunny, with a high near 20. Wind chill values as low as -2. Southeast wind 0 to 5 mph. |
| Saturday Night |
Mostly cloudy, with a low around 15. Southeast wind around 5 mph. |
| Sunday |
Partly sunny, with a high near 30. Southeast wind around 5 mph. |
| Sunday Night |
Partly cloudy, with a low around 20. South wind around 5 mph. |
| Monday |
Partly sunny, with a high near 39. Southwest wind 5 to 10 mph. |
| Monday Night |
Mostly cloudy, with a low around 29. Southeast wind 0 to 5 mph. |
| Tuesday |
A slight chance of rain after noon. Partly sunny, with a high near 43. Northeast wind 5 to 10 mph. Chance of precipitation is 20%. |
| Tuesday Night |
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 40%. |
| Wednesday |
A slight chance of snow. Mostly cloudy, with a high near 35. Chance of precipitation is 20%. |
| Wednesday Night |
A chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 30%. |
| Thursday |
A slight chance of snow. Partly sunny, with a high near 34. Chance of precipitation is 20%. |
| Thursday Night |
A slight chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 20%. New snow accumulation of less than half an inch possible. |
| Friday |
Mostly sunny, with a high near 37. |
Forecast from NOAA-NWS for Sun Prairie, WI.