Weather WorldHalfmoon Lake, MT 7-Day Night Weather Forecast
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Halfmoon Lake, MT Weather Forecast
Halfmoon Lake, MT Weather Forecast Date: 1222 PM MDT Tue Sep 15 2026
The area/counties/county of: West Glacier Region, including the city of Swan Lake.or toggle through each period.
Tonight... Mostly cloudy. A 50% chance of areas of rain until early morning. Patchy fog after midnight. Lows in the upper 30s to mid 40s.
Wednesday... Mostly sunny. Highs in the upper 50s to mid 60s.
Wednesday Night... Mostly clear. Lows in the upper 30s to mid 40s.
Thursday... Mostly sunny. Highs in the upper 60s to mid 70s.
Thursday Night... Mostly cloudy with a 50% chance of rain. Lows in the mid 40s to lower 50s.
Friday... Mostly cloudy. A chance of rain in the morning, then chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 50%. Highs in the 60s.
Friday Night... Mostly cloudy with a 30% chance of rain in the evening, then partly cloudy after midnight. Lows in the mid 40s to lower 50s.
Saturday... Partly cloudy. Highs in the 60s.
Saturday Night... Mostly clear. Lows in the mid 40s to lower 50s.
Sunday... Mostly sunny. Highs in the 60s to lower 70s.
Sunday Night... Mostly clear. Lows in the 40s to lower 50s.
Monday... Partly cloudy. Highs in the mid 60s to lower 70s.
Monday Night... Partly cloudy. Lows in the mid 40s to lower 50s.
POP = Probability of Precipitation
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