| National Weather Service Forecast for:
Sun Prairie, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
||||||||||||||||||||||||||||||||||||||||
| Updated: 07/22/2025 6:08am | ||||||||||||||||||||||||||||||||||||||||
| Sun Prairie WI | ||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||
| Today |
Partly sunny, with a high near 86. Southeast wind 5 to 10 mph. |
| Tonight |
A chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 73. South wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Wednesday |
A chance of showers and thunderstorms before 10am. Mostly sunny, with a high near 92. Heat index values as high as 103. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Wednesday Night |
Mostly clear, with a low around 76. Heat index values as high as 98. Southwest wind 10 to 15 mph. |
| Thursday |
A slight chance of rain showers between 7am and 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms likely. Mostly sunny, with a high near 89. Southwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Thursday Night |
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Northwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
| Friday |
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Northeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Friday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Southeast wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Saturday |
A slight chance of rain showers before 7am. Mostly sunny, with a high near 88. Chance of precipitation is 20%. |
| Saturday Night |
Mostly clear, with a low around 69. |
| Sunday |
Sunny, with a high near 91. |
| Sunday Night |
A slight chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 69. Chance of precipitation is 20%. |
| Monday |
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 20%. |
| Monday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Sun Prairie, WI.