Upper Thunder Lake, MI Weather Forecast
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Upper Thunder Lake Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Rain Showers | Mostly Sunny | Chance of Showers | Rain Showers | Rain Showers | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Mostly Clear | Mostly Clear |
| Lo: 35°FLo: 2°C | Hi: 57°FHi: 14°C | Lo: 36°FLo: 2°C | Hi: 66°FHi: 19°C | Lo: 45°FLo: 7°C | Hi: 68°FHi: 20°C Lo: 40°FLo: 4°C | Hi: 68°FHi: 20°C Lo: 40°FLo: 4°C | Hi: 64°FHi: 18°C Lo: 35°FLo: 2°C | Hi: 64°FHi: 18°C Lo: 35°FLo: 2°C | Hi: 63°FHi: 17°C | Hi: 65°FHi: 18°C Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C Lo: 35°FLo: 2°C |
| POP: 30% | POP: 20% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 637 PM EDT Sun Oct 04 2026 

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Issued: 826 PM EDT Sun Oct 4 2026
Key Messages
- Isolated/scattered light lake effect rain/drizzle is possible over mainly the eastern U.P. tonight into Monday morning. Expect rainfall accumulations to be not much more than a trace.
- Breezy conditions continue into this evening near Lake Superior, with northwest winds gusting to 20-30 mph in the Keweenaw and from Marquette eastward. Winds diminish overnight into Monday morning.
- Could see some light rain showers mainly over the eastern U.P. Tuesday through Wednesday as well as gusty ...
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