Williamsburg, MI Weather Forecast
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Williamsburg Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
| Snow Showers | Snow Showers | Snow Showers | Snow Showers | Snow Showers | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear |
| Hi: 40°FHi: 4°C | Lo: 29°FLo: -2°C | Hi: 40°FHi: 4°C | Lo: 31°FLo: -1°C | Hi: 41°FHi: 5°C | Lo: 31°FLo: -1°C | Hi: 45°FHi: 7°C | Lo: 31°FLo: -1°C | Hi: 45°FHi: 7°C | Lo: 35°FLo: 2°C | Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C |
| POP: 70% | POP: 50% | POP: 50% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1012 AM EST Thu Nov 12 2026 

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Issued: 621 AM EST Thu Nov 12 2026
Key Messages
- Cold, showery, with accumulating lake effect snow showers tonight near the coasts.
Discussion
... Issued at 412 AM EST Thu Nov 12 2026
PATTERN SYNOPSIS/FORECAST:
Pattern amplification well underway over the CONUS...with western ridge building up into Alberta/Saskatchewan on the nose of a 140kt upper jet...and longwave troughing settling back into the eastern US (particularly, the Midwest), blocked from eastward motion by ridging over the north Atlantic; 100kt meridional jet diving down t...
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