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Flat Lake Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Partly Cloudy | Clearing | Partly Cloudy | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of T-Storm |
| Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C |
| POP: 50% | POP: 50% | POP: 30% | POP: 30% | POP: 20% | POP: 20% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 343 AM EDT Fri Oct 09 2026 
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Issued: 241 AM EDT Fri Oct 9 2026
Key Messages
- A few sprinkles are possible toward Lake Michigan today.
- More widespread light rain is expected Saturday night into early Sunday, especially east of I-69, associated with the remnants of Isaias. No significant impacts are anticipated.
- Generally above normal temperatures expected through much of next week before a more pronounced drop in temps is expected later Friday into the weekend.
Discussion
... Issued at 238 AM EDT Fri Oct 9 2026
Dry airmass in place across the region with a warm f...