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Brock County Park Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of Showers |
| Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C |
| POP: 20% | POP: 70% | POP: 70% | POP: 50% | POP: 20% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 612 AM EDT Fri Aug 21 2026 
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Brock County Park Forecast Discussion
Issued: 648 AM EDT Fri Aug 21 2026
Key Messages
- Scattered showers/thunderstorms today into Saturday
- Cooler and dry Sunday through Tuesday, midweek rain chances
Discussion
... Issued at 317 AM EDT Fri Aug 21 2026- Scattered showers/thunderstorms today into Saturday
The only change in thinking from 24 hours ago is that Convection Allowing Models (CAMs) show widely dispersed convective cells developing this afternoon over much of southwest Lower Michigan. Please see the AVIATION section of this forecast discussion for more specific detai...