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Grayson School, MI Weather Forecast
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Grayson School Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  | | |  |  |  |  |  | | |
| Chance of Showers | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Chance of Showers | Chance of T-Storm | Chance of Showers | Partly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear |
| Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C |
| POP: 30% | POP: 40% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 413 AM EDT Sun Aug 23 2026 
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Grayson School Forecast Discussion
Issued: 338 AM EDT Sun Aug 23 2026
Key Messages
- Breezy, showery, and cool conditions today into Monday...a rumble of thunder not impossible
- High swim risks today and possibly into Monday
Discussion
... Issued at 337 AM EDT Sun Aug 23 2026
PATTERN SYNOPSIS/FORECAST:
Ridge axis stretching from the SW US bookended by sharp troughs....one over the PacNW, and another stretching from Hudson Bay to a lobe of PV over central Ontario, down through the Great Lakes and down into the Carolinas...with Bermuda high well off the coast. 100kt upper j...