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Finnerty Lake, WI Weather Forecast
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Finnerty 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 Showers | Clearing | Clear | Mostly Sunny | Clear | Mostly Sunny | Partly Cloudy | Chance of Showers | Chance of Showers |
| Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C |
| POP: 70% | POP: 50% | POP: 20% | POP: 40% | POP: 40% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 122 PM CDT Thu Aug 20 2026 
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Finnerty Lake Forecast Discussion
Issued: 125 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...