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Oneonta Lake, WI Weather Forecast
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Oneonta Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  | |  |  |  | | | |  |  |
| Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Clear | Mostly Sunny | Clear | Mostly Clear | Mostly Clear | Chance of Showers | Chance of Showers |
| Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C |
| POP: 70% | POP: 70% | POP: 40% | POP: 50% | POP: 30% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 122 PM CDT Thu Aug 20 2026 
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Issued: 945 PM CDT Thu Aug 20 2026
Key Messages
- There is a 50-80% chance of showers and storms from late afternoon through late tonight. No severe weather is expected.
- Scattered thunderstorms (40-60% chance) are expected to redevelop over eastern WI between 3 and 9 PM Friday. Isolated strong to severe storms are possible (level 1 of 5 risk).
- Scattered showers and thunderstorms (40-60% chance) are expected over north- central to eastern Wisconsin on Saturday.
- Through Saturday, most areas will have pot...