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St. Mary's Lake, MI Weather Forecast
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St. Mary's Lake Weather Forecast
| EARLY THIS MORNING | TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  | |  |  |  | |  |  | | |
| Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Sunny | Clear | Sunny | Chance of Showers | Rain Showers | Chance of T-Storm | Rain Showers |
| Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 60°FLo: 16°C | Hi: 69°FHi: 21°C | Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 51°FHi: 11°C |
| POP: 70% | POP: 70% | POP: 90% | POP: 30% | POP: 60% | POP: 90% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 122 AM EST Fri Mar 06 2026 
St. Mary's Lake Radar Loop
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