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Flatton Lake, MT Weather Forecast

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Flatton Lake, MT Weather Forecast

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Flatton Lake MT weather - Clear - 78°F
Clear
78°F
Updated 4:44 pm
Feels Like 61°F
Humidity 22%
Wind SW 10 mph
Barometer  29.91 in
Dew Point 37°F
Flatton Lake MT weather - Clear - 26°C
Clear
26°C
Updated 4:44 pm
Feels Like 16°C
Humidity 22%
Wind SW 16 km/h
Barometer  101.3 kPa
Dew Point 3°C
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Flatton Lake Weather Forecast

TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY MONDAY MONDAY NIGHT
Flatton Lake, MT Weather - Tonight Clearing Flatton Lake, MT Weather - Wednesday Mostly Sunny Flatton Lake, MT Weather - Wednesday Night Partly Cloudy Flatton Lake, MT Weather - Thursday Mostly Sunny Flatton Lake, MT Weather - Thursday Night Mostly Clear Flatton Lake, MT Weather - Friday Rain Showers Flatton Lake, MT Weather - Friday Night Snow Flatton Lake, MT Weather - Saturday Rain And Snow Flatton Lake, MT Weather - Saturday Night Partly Cloudy Flatton Lake, MT Weather - Sunday Mostly Cloudy Flatton Lake, MT Weather - Monday Mostly Cloudy Flatton Lake, MT Weather - Monday Night Partly Cloudy
Clearing Mostly Sunny Partly Cloudy Mostly Sunny Mostly Clear Rain Showers Snow Rain and Snow Partly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy
Lo: 48°FLo: 9°C Hi: 60°FHi: 16°C
 Lo: 45°FLo: 7°C Hi: 68°FHi: 20°C
 Lo: 50°FLo: 10°C Hi: 67°FHi: 19°C
 Lo: 38°FLo: 3°C Hi: 45°FHi: 7°C
 Lo: 35°FLo: 2°C Hi: 48°FHi: 9°C
Lo: 38°FLo: 3°C		 Hi: 48°FHi: 9°C
Lo: 38°FLo: 3°C		 Lo: 38°FLo: 3°C
POP: 20% POP: 70% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 336 PM MDT Tue Sep 22 2026 Flatton Lake, MT Weather - WeatherWorld.com

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Flatton Lake Forecast Discussion

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Issued: 125 PM MDT Tue Sep 22 2026

Key Messages

  • Scattered showers and isolated thunderstorms late this afternoon into overnight hours, mainly SW MT.
  • Above average temps through Friday.
  • Upper level trough will bring cooler and windier weather during the upcoming weekend.

Discussion

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  • Meteorological Overview:

    • An upper level ridge will allow for above average temps and southwesterly flow to persist across MT through Friday. Due to an upper level disturbance, there will be scattered showers and weak thunderstorms late this afternoon in...