Flat Lake, MN Weather Forecast
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Flat Lake Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Clear | Sunny | Partly Cloudy | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Partly Cloudy |
| Lo: 43°FLo: 6°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 43°FLo: 6°C | Hi: 68°FHi: 20°C Lo: 55°FLo: 13°C | Hi: 68°FHi: 20°C Lo: 55°FLo: 13°C | Hi: 68°FHi: 20°C Lo: 55°FLo: 13°C | Hi: 68°FHi: 20°C Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C Lo: 43°FLo: 6°C | Hi: 65°FHi: 18°C Lo: 43°FLo: 6°C | Hi: 53°FHi: 12°C Lo: 35°FLo: 2°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1237 AM CDT Tue Oct 20 2026 

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Issued: 1133 PM CDT Mon Oct 19 2026
Key Messages
- Dry conditions with above normal temperatures through Thursday.
- Windy Friday and Saturday, fire concerns remain low due to likely rain.
- Chances for rain increase Friday into the weekend.
Discussion
... Issued at 141 PM CDT Mon Oct 19 2026
...Synopsis...
General CONUS riding will persist through the work week before troughing off the southern California coast begins to move ashore by Thursday morning. Significant differences begin to emerge among cluster regarding to the speed of the trou...
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