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Koski Lake Weather Forecast
| REST OF TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY |
 |  | |  |  | | | | | | | |
| Mostly Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Cloudy | Clear | Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 59°FHi: 15°C | Lo: 38°FLo: 3°C | Hi: 56°FHi: 13°C | Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C | Hi: 61°FHi: 16°C Lo: 47°FLo: 8°C | Hi: 61°FHi: 16°C Lo: 47°FLo: 8°C | Hi: 59°FHi: 15°C Lo: 43°FLo: 6°C | Hi: 59°FHi: 15°C Lo: 43°FLo: 6°C | Hi: 59°FHi: 15°C Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C Lo: 39°FLo: 4°C | Hi: 67°FHi: 19°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1054 AM EDT Sun Oct 04 2026 
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Issued: 718 AM EDT Sun Oct 4 2026
Key Messages
- Some light lake effect rain/drizzle showers are possible over mainly the eastern U.P. tonight into Monday morning. Expect rainfall accumulations to be not much more than a trace.
- Gusty winds are expected today behind the Clipper low. Gales up to 35 knots are expected over eastern Lake Superior, and northwest gusts up to 40 mph are possible in the Keweenaw and along the Lake Superior shoreline east of Marquette.
- Could see some light rain showers mainly over the eastern U.P. Tuesday th...