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McClain Lake, MT Weather Forecast

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McClain Lake, MT Weather Forecast

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McClain Lake MT weather - Partly Cloudy - 73°F
Partly Cloudy
73°F
Updated 1:32 pm
Feels Like 69°F
Humidity 41%
Wind N 6 mph
Barometer  30.09 in
Dew Point 48°F
McClain Lake MT weather - Partly Cloudy - 23°C
Partly Cloudy
23°C
Updated 1:32 pm
Feels Like 21°C
Humidity 41%
Wind N 10 km/h
Barometer  101.9 kPa
Dew Point 9°C
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McClain Lake Weather Forecast

TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY
McClain Lake, MT Weather - Tonight Partly Cloudy McClain Lake, MT Weather - Thursday Mostly Sunny McClain Lake, MT Weather - Thursday Night Mostly Clear McClain Lake, MT Weather - Friday Chance Of Rain McClain Lake, MT Weather - Friday Night Chance Of Rain McClain Lake, MT Weather - Saturday Partly Cloudy McClain Lake, MT Weather - Saturday Night Partly Cloudy McClain Lake, MT Weather - Sunday Chance Of Rain McClain Lake, MT Weather - Sunday Night Chance Of Rain McClain Lake, MT Weather - Monday Chance Of Rain McClain Lake, MT Weather - Monday Night Partly Cloudy McClain Lake, MT Weather - Tuesday Mostly Sunny
Partly Cloudy Mostly Sunny Mostly Clear Chance of Rain Chance of Rain Partly Cloudy Partly Cloudy Chance of Rain Chance of Rain Chance of Rain Partly Cloudy Mostly Sunny
Lo: 45°FLo: 7°C Hi: 75°FHi: 24°C
 Lo: 50°FLo: 10°C Hi: 70°FHi: 21°C
 Lo: 36°FLo: 2°C Hi: 55°FHi: 13°C
 Lo: 36°FLo: 2°C Hi: 56°FHi: 13°C
 Lo: 36°FLo: 2°C Hi: 55°FHi: 13°C
 Lo: 35°FLo: 2°C Hi: 56°FHi: 13°C
POP: 20% POP: 60% POP: 20% POP: 50% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1223 PM MDT Wed Sep 23 2026 McClain Lake, MT Weather - WeatherWorld.com

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McClain Lake Forecast Discussion

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Issued: 1219 PM MDT Wed Sep 23 2026

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KEY MESSAGES:
  • Unseasonably warm through Thursday with localized smoke from prescribed burns.
  • Cold front Friday afternoon brings strong west winds, choppy lakes, and elevated fire weather concerns.
  • Cutoff low this weekend brings widespread rain to Northwest Montana and a couple inches of snow to high peaks of Glacier National Park.

Southwesterly flow aloft will maintain unseasonably warm and dry conditions across the Northern Rockies through Thursday. Isolated, high-based showers may ...