Mason County, MI Weather Forecast
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Mason County Weather Forecast
| THROUGH EARLY EVENING | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
| Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Cloudy | Rain Showers | Mostly Cloudy | Partly Cloudy | Chance of Showers | Rain Showers | Rain Showers | Chance of Showers |
| Lo: 35°FLo: 2°C | Hi: 51°FHi: 11°C | Lo: 31°FLo: -1°C | Hi: 59°FHi: 15°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | |
| POP: 20% | POP: 20% | POP: 60% | POP: 60% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 237 PM EDT Thu Oct 29 2026 

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Issued: 729 PM EDT Thu Oct 29 2026
Key Messages
- Scattered Showers and Isolated Storms along and south I 94 today
- Decreasing chances for rain for this weekend
- Change in Pattern with chances for rain next week
Discussion
... Issued at 235 PM EDT Thu Oct 29 2026- Scattered Showers and Isolated Storms along and south I 94 today
The stalled frontal boundary remains draped across southern Lower Michigan. Latest mesoanalysis shows 30kts of shear through the lowest row of counties in MI. While there is very little SFC based CAPE, there is eno...
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