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Mendon, MI Weather Forecast
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Mendon Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  | | | |  |  | |  |  |  |  |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers |
| Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C |
| POP: 40% | POP: 40% | POP: 60% | POP: 60% | POP: 20% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 613 PM EDT Thu Sep 03 2026 
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Issued: 207 PM EDT Thu Sep 3 2026
Key Messages
- Heat and humidity continue through with peak heat indices around 100 degrees.
- 20-30% chance of thunderstorms starting this afternoon and continuing into the evening. Another chance for storms occurs early Friday and potentially again Friday afternoon/evening.
- Thunderstorms are in the forecast again for Saturday.
- A dry pattern takes over Sunday through Tuesday.
Discussion
... Issued at 204 PM EDT Thu Sep 3 2026
We continue to have this strong ridge across the southeast into the end of th...