Weather WorldSwamp Lake, MI Weather Forecast
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| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Mostly Cloudy | Mostly Cloudy | Sunny | Clear | Sunny | Clear | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy | Mostly Cloudy | Mostly Cloudy |
| Hi: 60°FHi: 16°C | Lo: 32°FLo: 0°C | Hi: 64°FHi: 18°C | Lo: 34°FLo: 1°C | Hi: 66°FHi: 19°C | Lo: 36°FLo: 2°C | Hi: 66°FHi: 19°C | Hi: 70°FHi: 21°C Lo: 40°FLo: 4°C | Hi: 70°FHi: 21°C Lo: 40°FLo: 4°C | Hi: 70°FHi: 21°C | Hi: 71°FHi: 22°C Lo: 44°FLo: 7°C | Hi: 71°FHi: 22°C Lo: 44°FLo: 7°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 404 AM CDT Mon Sep 21 2026 
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Issued: 726 AM EDT Mon Sep 21 2026
Key Messages
- Hazardous swimming conditions and high rip current risks are present through this afternoon for Marquette County due to high wave heights from the northeast.
- Widespread frost likely (50-80%) in the western UP Tuesday morning, and patchy frost possible (20-40%) elsewhere away from shorelines.
- Dry pattern with persistent high pressure sets up through much of this week. Below-average temperatures through Wednesday gives way to above-normal temperatures late week..
Discussion
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