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Upper Thunder Lake Weather Forecast
| LATE THIS AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT |
 |  |  |  | |  | | | | | | |
| Chance of Showers | Rain Showers | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Cloudy | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Chance of Showers | Rain Showers |
| Lo: 40°FLo: 4°C | Hi: 63°FHi: 17°C | Lo: 34°FLo: 1°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 73°FHi: 23°C | Hi: 72°FHi: 22°C Lo: 56°FLo: 13°C | Hi: 72°FHi: 22°C Lo: 56°FLo: 13°C | Lo: 49°FLo: 9°C | Hi: 62°FHi: 17°C | Lo: 38°FLo: 3°C | |
| POP: 50% | POP: 20% | POP: 40% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 227 PM EDT Wed Oct 07 2026 
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Issued: 258 PM EDT Wed Oct 7 2026
Key Messages
- Lake effect rain showers and thunderstorms ongoing this afternoon.
- Light lake effect showers expected through tomorrow with minimal accumulations.
- Cooler/more normal temperatures return for Thursday and Friday.
- Well above normal temperatures expected this weekend.
Discussion
... Issued at 257 PM EDT Wed Oct 7 2026
Current radar imagery indicates lake effect and diurnal showers and thunderstorms ongoing across Lake Superior and the central U.P. Areas in the central and eastern U.P. are l...