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City of Flat Rock, MichiganFlat Rock, MI Weather Forecast
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Flat Rock Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  |  | | | | | | | | |
| Clear | Partly Cloudy | Partly Cloudy | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Clearing | Mostly Sunny |
| Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 341 PM EDT Sat Sep 05 2026 
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Instant definitions for any meteorological term.
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Issued: 700 PM EDT Sat Sep 5 2026
Key Messages
- Seasonable temperatures with lower humidity with exist through early next week.
- Next chance of showers and thunderstorms arrives Tuesday night into Wednesday.
Aviation
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Cold front has cleared much of the Southeast Michigan airspace. Incoming high pressure is driving northeast flow with a substantial amount of drying occuring in the surface layer. Winds near the surface will take some time this evening to calm out - thus duration of fog formation window will be somewhat limited. So,...