Flat Lake, WI Weather Forecast
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Flat Lake Weather Forecast
| REST OF TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Rain | Chance of Rain | Mostly Cloudy | Chance of Rain | Chance of Rain |
| Lo: 21°FLo: -6°C | Hi: 49°FHi: 9°C | Lo: 31°FLo: -1°C | Hi: 51°FHi: 11°C | Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C Lo: 41°FLo: 5°C | Hi: 55°FHi: 13°C Lo: 41°FLo: 5°C | Lo: 45°FLo: 7°C | Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | Hi: 50°FHi: 10°C | Lo: 40°FLo: 4°C |
| POP: 30% | POP: 40% | POP: 30% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 936 PM CST Sat Nov 14 2026 

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Issued: 1138 PM CST Sat Nov 14 2026
Key Messages
- Dry and warming conditions continue into the work week. Several days with high temperatures in the 40s and 50s and overnight lows above freezing are possible mid week.
- Chances for rain return Wednesday evening into Thursday.
- Another system next weekend could bring chances for rain and/or snow.
Discussion
... Issued at 1211 PM CST Sat Nov 14 2026
Current conditions - Mid Week:
Surface high pressure resides over the Northland leading to clear skies and and light winds across the region. Te...
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