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Flat Lake Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY |
 |  |  |  | |  | | |  | | |
| Chance of T-Storm | Patchy Fog | Partly Cloudy | Partly Sunny | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C Lo: 59°FLo: 15°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 818 PM EDT Tue Sep 22 2026 
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Issued: 836 PM EDT Tue Sep 22 2026
Key Messages
Issued at 832 PM EDT Tue Sep 22 2026- Unseasonably warm temperatures will continue through Wednesday. Highs will be in the low 90s.
- Rain chances continue through Wednesday. Afternoon and evening thunderstorms will be capable of strong-gusty winds, frequent lightning, and small hail. An isolated severe gust or two are also possible.
- Notably cooler and drier weather more akin to early Autumn arrives on Thursday following a frontal passage. Hazardous marine boating conditions are likely ...