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Sun Prairie High School, WI Weather Forecast
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Sun Prairie High School Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  | | | |  | | | | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C |
| POP: 60% | POP: 40% | POP: 20% | POP: 20% | POP: 20% | POP: 50% | POP: 50% | POP: 50% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 731 PM CDT Sun Aug 30 2026 
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Issued: 610 PM CDT Sun Aug 30 2026
Key Messages
- Building heat and humidity through midweek. Heat index values near 100 degrees possible across far southern Wisconsin Tuesday and Wednesday.
- Rain & scattered storms continue through tonight. Severe weather isn`t expected in any activity.
- Storm chances (~15%) return Monday afternoon along a weak cold front. A few of these storms may become severe, if they develop.
- Uncertainty remains in timing and intensity of storms Monday night through the end of the week as an active pattern remain...