Lagoon Lake, MT Weather Forecast

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Lagoon Lake, MT Weather Forecast

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Lagoon Lake MT weather  - Overcast - 44°F
Overcast
44°F
Updated 12:36 am
Feels Like 39°F
Humidity 95%
Wind W 5 mph
Barometer  30.26 in
Dew Point 43°F
Lagoon Lake MT weather  - Overcast - 7°C
Overcast
7°C
Updated 12:36 am
Feels Like 4°C
Humidity 95%
Wind W 8 km/h
Barometer  102.4 kPa
Dew Point 6°C

Lagoon Lake Weather Forecast

TONIGHT VETERANS DAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY
Lagoon Lake, MT Weather - Tonight Patchy Fog Lagoon Lake, MT Weather - Veterans Day Mostly Cloudy Lagoon Lake, MT Weather - Wednesday Night Mostly Cloudy Lagoon Lake, MT Weather - Thursday Mostly Cloudy Lagoon Lake, MT Weather - Thursday Night Mostly Cloudy Lagoon Lake, MT Weather - Friday Mostly Cloudy Lagoon Lake, MT Weather - Friday Night Partly Cloudy Lagoon Lake, MT Weather - Saturday Patchy Fog Lagoon Lake, MT Weather - Saturday Night Chance Of Rain Lagoon Lake, MT Weather - Sunday Mostly Cloudy Lagoon Lake, MT Weather - Sunday Night Partly Cloudy Lagoon Lake, MT Weather - Monday Rain And Snow
Patchy Fog Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Patchy Fog Chance of Rain Mostly Cloudy Partly Cloudy Rain and Snow
Lo: 35°FLo: 2°C Hi: 55°FHi: 13°C
Lo: 35°FLo: 2°C Hi: 55°FHi: 13°C
Lo: 35°FLo: 2°C Hi: 50°FHi: 10°C
Lo: 35°FLo: 2°C Hi: 46°FHi: 8°C
Lo: 30°FLo: -1°C Hi: 45°FHi: 7°C
Lo: 30°FLo: -1°C Hi: 45°FHi: 7°C
POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1122 PM MST Tue Nov 10 2026 Lagoon Lake, MT Weather - WeatherWorld.com

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Lagoon Lake Forecast Discussion

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Issued: 149 PM MST Tue Nov 10 2026

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KEY MESSAGES:
  • Wednesday 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 relatively high.
  • Further cooling early to mid next week with potential for snow levels to lower further.

A lingering plume of atmospheric moisture will maintain showers through tonight, mainly north of Interstate 90. Snow levels remain high and th...