Lake Marion, MI Weather Forecast
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Lake Marion Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Partly Cloudy | Partly Sunny | Patchy Fog | Patchy Fog | Partly Cloudy | Chance of T-Storm | Rain Showers | Partly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny |
| Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 612 PM EDT Sun Aug 23 2026 

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Lake Marion Forecast Discussion
Issued: 612 PM EDT Sun Aug 23 2026
Key Messages
- Breezy winds and cool temperatures continue Monday with dry weather expected through the first half of the week.
- Rain chances return late Wednesday/Thursday.
Discussion
... Issued at 227 PM EDT Sun Aug 23 2026
Pattern Synopsis:
Impressive late-summer troughing will continue to churn over the Great Lakes tonight as it eventually lifts northeast early this week. The associated surface cyclone centered along the Ontario/Quebec border will weaken with time as the system becomes increasingly ...
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