Flat Lake, WI Weather Forecast

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Flat Lake, WI Weather Forecast

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Flat Lake WI weather  - Clear - 23°F
Clear
23°F
Updated 11:43 pm
Feels Like 23°F
Humidity 92%
Wind N 0 mph
Barometer  30.32 in
Dew Point 21°F
Flat Lake WI weather  - Clear - -5°C
Clear
-5°C
Updated 11:43 pm
Feels Like -5°C
Humidity 92%
Wind N 0 km/h
Barometer  102.7 kPa
Dew Point -6°C

Flat Lake Weather Forecast

REST OF TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT
Flat Lake, WI Weather - Rest Of Tonight Partly Cloudy Flat Lake, WI Weather - Sunday Mostly Sunny Flat Lake, WI Weather - Sunday Night Mostly Clear Flat Lake, WI Weather - Monday Mostly Sunny Flat Lake, WI Weather - Monday Night Partly Cloudy Flat Lake, WI Weather - Tuesday Mostly Cloudy Flat Lake, WI Weather - Wednesday Mostly Cloudy Flat Lake, WI Weather - Wednesday Night Chance Of Rain Flat Lake, WI Weather - Thursday Chance Of Rain Flat Lake, WI Weather - Thursday Night Mostly Cloudy Flat Lake, WI Weather - Friday Chance Of Rain Flat Lake, WI Weather - Friday Night Chance Of Rain
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 Flat Lake, WI Weather - WeatherWorld.com

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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...