Lake Isabel, MT Weather Forecast

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Lake Isabel, MT Weather Forecast

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Lake Isabel MT weather  - Fog - 34°F
Fog
34°F
Updated 10:57 pm
Feels Like 39°F
Humidity 100%
Wind N 0 mph
Barometer  30.1 in
Dew Point 34°F
Lake Isabel MT weather  - Fog - 1°C
Fog
1°C
Updated 10:57 pm
Feels Like 4°C
Humidity 100%
Wind N 0 km/h
Barometer  101.9 kPa
Dew Point 1°C

Lake Isabel Weather Forecast

TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY
Lake Isabel, MT Weather - Tonight Mostly Cloudy Lake Isabel, MT Weather - Thursday Mostly Cloudy Lake Isabel, MT Weather - Thursday Night Mostly Cloudy Lake Isabel, MT Weather - Friday Mostly Cloudy Lake Isabel, MT Weather - Friday Night Partly Cloudy Lake Isabel, MT Weather - Saturday Chance Of Rain Lake Isabel, MT Weather - Saturday Night Chance Of Rain Lake Isabel, MT Weather - Sunday Partly Cloudy Lake Isabel, MT Weather - Sunday Night Partly Cloudy Lake Isabel, MT Weather - Monday Rain And Snow Lake Isabel, MT Weather - Monday Night Chance Of Snow Lake Isabel, MT Weather - Tuesday Chance Of Snow
Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Chance of Rain Chance of Rain Partly Cloudy Partly Cloudy Rain and Snow Chance of Snow Chance of Snow
Lo: 36°FLo: 2°C Hi: 55°FHi: 13°C
Lo: 36°FLo: 2°C Hi: 50°FHi: 10°C
Lo: 35°FLo: 2°C Hi: 45°FHi: 7°C
Lo: 35°FLo: 2°C Hi: 45°FHi: 7°C
Lo: 35°FLo: 2°C Hi: 45°FHi: 7°C
Lo: 30°FLo: -1°C Hi: 36°FHi: 2°C
POP: 30% POP: 20% POP: 20% POP: 40% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 102 PM MST Wed Nov 11 2026 Lake Isabel, MT Weather - WeatherWorld.com

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Issued: 131 PM MST Wed Nov 11 2026

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KEY MESSAGES:
  • Through Friday Fog & Low Cloud Potential: Strong high pressure increasing likelihood of valley inversions.
  • Pattern Shift: A Pacific system will tap into atmospheric river moisture beginning Saturday, snow levels stay above 6000 feet and precipitation amounts light.
  • Further cooling early to mid next week with potential for snow levels to lower further.

High pressure was sufficient enough to produce morning valley fog but low level mixing has broken inversions and dissipa...