Halfmoon Lake, MT 7-Day Weather Forecast

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Halfmoon Lake, MT 7-Day Weather Forecast

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Halfmoon Lake MT weather  - Clear - 46°F
Clear
46°F
Updated 12:12 am
Feels Like 40°F
Humidity 88%
Wind N 0 mph
Barometer  30.06 in
Dew Point 43°F
Halfmoon Lake MT weather  - Clear - 8°C
Clear
8°C
Updated 12:12 am
Feels Like 5°C
Humidity 88%
Wind N 0 km/h
Barometer  101.8 kPa
Dew Point 6°C
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Halfmoon Lake Weather Forecast

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Halfmoon Lake, MT Weather Forecast Date: 900 PM MDT Wed Sep 23 2026

Weather forecast for Halfmoon Lake, MT


Tonight
Halfmoon Lake MT Weather for Tonight - Partly Cloudy
Lo: 46°F
Lo: 8°C
Tonight... Partly cloudy. Lows in the 40s to lower 50s.
Thu
Halfmoon Lake MT Weather for Thursday - Mostly Sunny
Hi: 70°FHi: 21°C
Lo: 55°F
Lo: 13°C
Thursday... Mostly sunny. Highs in the upper 60s to mid 70s.
Fri
Halfmoon Lake MT Weather for Friday - Chance Of Rain
Hi: 66°FHi: 19°C
Lo: 36°F
Lo: 2°C
Friday... Partly cloudy. A 40% chance of rain in the afternoon. Highs in the mid 60s to lower 70s. Southwest winds 15 to 20 mph with gusts to around 30 mph.
Sat
Halfmoon Lake MT Weather for Saturday - Chance Of Snow
Hi: 50°FHi: 10°C
Lo: 36°F
Lo: 2°C
Saturday... Mostly cloudy. A chance of rain and a slight chance of snow in the morning. Chance of precipitation 30%. Cooler. Highs in the upper 40s to mid 50s.
Sun
Halfmoon Lake MT Weather for Sunday - Mostly Cloudy
Hi: 55°FHi: 13°C
Lo: 40°F
Lo: 4°C
Sunday... Mostly cloudy. Highs in the 50s.
Mon
Halfmoon Lake MT Weather for Monday - Partly Cloudy
Hi: 50°FHi: 10°C
Lo: 40°F
Lo: 4°C
Monday... Partly cloudy. Highs in the upper 40s to mid 50s.
Tue
Halfmoon Lake MT Weather for Tuesday - Partly Cloudy
Hi: 50°FHi: 10°C
Lo: 40°F
Lo: 4°C
Tuesday... Partly cloudy. Highs in the upper 40s to mid 50s.

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