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River Lake, WI Weather Forecast
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River Lake Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  | | |  |  | | | | | |
| Mostly Sunny | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of T-Storm |
| Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C |
| POP: 50% | POP: 20% | POP: 20% | POP: 20% | POP: 60% | POP: 50% | POP: 20% | POP: 20% | POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 815 AM CDT Tue Sep 01 2026 
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Issued: 636 AM CDT Tue Sep 1 2026
Key Messages
- Patchy dense fog through early this morning, mainly in northwest Wisconsin.
- Warm, dry, and breezy today. Elevated fire weather conditions are possible in northwest WI.
- Light, scattered showers and a couple embedded storms possible Tuesday night and Wednesday morning, mainly in east- central MN into northwest WI.
- Warm with on-and-off rain/storm chances Thursday into next weekend.
Discussion
... Issued at 1253 PM CDT Mon Aug 31 2026
Clouds are clearing out from west to east this afternoon...