La Valle, WI Weather Forecast
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La Valle Weather Forecast
| LATE THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Partly Sunny | Widespread Fog | Widespread Fog | Partly Cloudy | Partly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Partly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear |
| Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | |
| POP: 20% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 430 PM CDT Sat Sep 05 2026 

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Issued: 116 PM CDT Sat Sep 5 2026
Key Messages
- Patchy dense fog possible over south central WI for early Sunday morning, especially in the WI River and Baraboo River Valleys.
- Mild and pleasant for Sunday and Labor Day.
- Warmer temps and high humidity returns for Tuesday and Wednesday along with 50-80% chances for showers and thunderstorms Tuesday night.
Aviation
... Issued 115 PM CDT Sat Sep 5 2026
Widespread MVFR Cigs with local Cigs below 1 kft this afternoon, becoming VFR toward sunset. Areas of BR and fog to then develop late tnt...
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