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Grubb Lake Weather Forecast
| REST OF TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  |  |  |  | |  |  | | | | |
| Wintry Mix | Partly Cloudy | Becoming Cloudy | Mostly Cloudy | Partly Cloudy | Clearing | Mostly Sunny | Clear | Mostly Sunny | Clear | Mostly Sunny | Partly Cloudy |
| Hi: 40°FHi: 4°C | Lo: 25°FLo: -4°C | Hi: 41°FHi: 5°C | Lo: 30°FLo: -1°C | Hi: 45°FHi: 7°C | Lo: 29°FLo: -2°C | Hi: 49°FHi: 9°C | Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C | Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C | Lo: 31°FLo: -1°C |
| POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 946 AM EST Fri Nov 13 2026 
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Issued: 636 AM EST Fri Nov 13 2026
Key Messages
- Lake effect showers return today with some periods of snow mixing in, mainly during the morning hours.
- Minor slushy coating of accumulation is possible across parts of the Thumb and St. Clair River vicinity.
- Showers steadily shift offshore tonight and Saturday, then turning drier and warm next week.
Aviation
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Inverted surface trough with corresponding low convergence has remained to the east of the taf sites this morning. Radar trends overnight have kept lake effect activity close to...