Flat Lake, MT Weather Forecast

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Flat Lake, MT Weather Forecast

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Flat Lake MT weather  - Clear - 41°F
Clear
41°F
Updated 6:58 pm
Feels Like 39°F
Humidity 80%
Wind NNW 3 mph
Barometer  29.99 in
Dew Point 35°F
Flat Lake MT weather  - Clear - 5°C
Clear
5°C
Updated 6:58 pm
Feels Like 4°C
Humidity 80%
Wind NNW 5 km/h
Barometer  101.6 kPa
Dew Point 2°C

Flat Lake Weather Forecast

REST OF TODAY TONIGHT VETERANS DAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY MONDAY
Flat Lake, MT Weather - Rest Of Today Mostly Sunny Flat Lake, MT Weather - Tonight Partly Cloudy Flat Lake, MT Weather - Veterans Day Mostly Sunny Flat Lake, MT Weather - Wednesday Night Partly Cloudy Flat Lake, MT Weather - Thursday Clearing Flat Lake, MT Weather - Thursday Night Partly Cloudy Flat Lake, MT Weather - Friday Partly Cloudy Flat Lake, MT Weather - Friday Night Mostly Cloudy Flat Lake, MT Weather - Saturday Mostly Cloudy Flat Lake, MT Weather - Saturday Night Partly Cloudy Flat Lake, MT Weather - Sunday Partly Cloudy Flat Lake, MT Weather - Monday Partly Cloudy
Mostly Sunny Partly Cloudy Mostly Sunny Partly Cloudy Clearing Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Hi: 50°FHi: 10°C
Lo: 30°FLo: -1°C Hi: 49°FHi: 9°C
Lo: 31°FLo: -1°C Hi: 49°FHi: 9°C
Hi: 51°FHi: 11°C
Lo: 31°FLo: -1°C
Hi: 51°FHi: 11°C
Lo: 31°FLo: -1°C
Hi: 50°FHi: 10°C
Lo: 31°FLo: -1°C
Hi: 50°FHi: 10°C
Lo: 31°FLo: -1°C
Hi: 51°FHi: 11°C
Lo: 31°FLo: -1°C
Hi: 51°FHi: 11°C
Lo: 31°FLo: -1°C
Hi: 51°FHi: 11°C
Lo: 31°FLo: -1°C
POP = Probability of Precipitation.
Weather Outlook Updated: 301 PM MST Tue Nov 10 2026 Flat Lake, MT Weather - WeatherWorld.com

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Flat Lake Forecast Discussion

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Issued: 959 AM MST Tue Nov 10 2026

Key Messages

  • Above normal temps & dry conditions will prevail through the end of the week.
  • A small chance for patchy fog along the far northeast tonight from 3AM to 10AM including Plentywood.

Discussion

...

Today through tonight: Rain showers exiting to the east this morning with the surface trough remaining in place will provide a small chance(10-30%) for fog to sneak back in to the far northeast during the usual hours from 3-10AM. This will probably remain patchy and will most likely impact just P...