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Lamarche Lake, MT Weather Forecast

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Lamarche Lake, MT Weather Forecast

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Lamarche Lake MT weather - Clear - 29°F
Clear
29°F
Updated 7:26 am
Feels Like 33°F
Humidity 84%
Wind N 0 mph
Barometer  30.29 in
Dew Point 25°F
Lamarche Lake MT weather - Clear - -2°C
Clear
-2°C
Updated 7:26 am
Feels Like 1°C
Humidity 84%
Wind N 0 km/h
Barometer  102.5 kPa
Dew Point -4°C
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Lamarche Lake Weather Forecast

TODAY TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT
Lamarche Lake, MT Weather - Today Partly Cloudy Lamarche Lake, MT Weather - Tonight Partly Cloudy Lamarche Lake, MT Weather - Sunday Partly Cloudy Lamarche Lake, MT Weather - Sunday Night Mostly Clear Lamarche Lake, MT Weather - Monday Partly Cloudy Lamarche Lake, MT Weather - Monday Night Partly Cloudy Lamarche Lake, MT Weather - Tuesday Mostly Cloudy Lamarche Lake, MT Weather - Tuesday Night Chance Of Rain Lamarche Lake, MT Weather - Wednesday Mostly Sunny Lamarche Lake, MT Weather - Wednesday Night Partly Cloudy Lamarche Lake, MT Weather - Thursday Chance Of Rain Lamarche Lake, MT Weather - Thursday Night Snow
Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Partly Cloudy Partly Cloudy Mostly Cloudy Chance of Rain Mostly Sunny Partly Cloudy Chance of Rain Snow
Hi: 60°FHi: 16°C
 Lo: 30°FLo: -1°C Hi: 56°FHi: 13°C
 Lo: 35°FLo: 2°C Hi: 60°FHi: 16°C
 Lo: 35°FLo: 2°C Hi: 56°FHi: 13°C
 Lo: 35°FLo: 2°C Hi: 56°FHi: 13°C
 Lo: 35°FLo: 2°C Hi: 55°FHi: 13°C
 Lo: 30°FLo: -1°C
POP: 20% POP: 50% POP: 70%
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 AM MDT Sat Oct 17 2026 Lamarche Lake, MT Weather - WeatherWorld.com

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Lamarche Lake Forecast Discussion

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Issued: 131 AM MDT Sat Oct 17 2026

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KEY MESSAGES:
  • Gusty winds on Saturday, creating choppy conditions for area lakes, especially across northwest Montana.
  • Mild temperatures next week, with shower chances for most areas by Thursday and Friday.
  • Confidence growing for colder temperatures by next weekend.

GOES Water Vapor imagery this morning shows a shortwave trough moving eastward along the Washington coast, with a shield of cirrus clouds moving over the Northern Rockies. This shortwave trough is projected to move along ...