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City of Sun Prairie, WISun Prairie, WI Weather Forecast
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Sun Prairie Weather Forecast
| LATE THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  |  |  |  | | |  |  | | | |
| Sunny | Partly Cloudy | Clearing | Mostly Clear | Chance of Showers | Mostly Clear | Showers Likely | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of T-Storm |
| Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | |
| POP: 30% | POP: 60% | POP: 80% | POP: 70% | POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 430 PM CDT Fri Sep 11 2026 
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Issued: 132 PM CDT Fri Sep 11 2026
Key Messages
- Moderate swim risk this afternoon at Sheboygan County beaches.
- A few light sprinkles or showers possible early Saturday morning across the west. No hazards expected.
- Active start to next week, with multiple periods of showers & storms expected Monday evening through at least Tuesday. Some storms could produce locally heavy rainfall and gusty winds.
Aviation
... Issued 135 PM CDT Fri Sep 11 2026
Predominantly VFR flight categories prevail through the period at all terminals. A southerly ...