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Gem Lake, MT Weather Forecast
Gem Lake, MT Weather Forecast Date: 1222 PM MDT Tue Sep 29 2026
The area/counties/county of: West Glacier Region, including the city of Swan Lake.or toggle through each period.
Tonight... Areas of rain until early morning, then rain likely late in the night. Chance of rain 70%. Lows in the 40s. Windy with southwest winds 20 to 30 mph with gusts to around 40 mph.
Wednesday... Mostly cloudy with a 50% chance of rain. Highs in the 50s. West winds 15 to 25 mph.
Wednesday Night... Mostly cloudy. Lows in the mid 30s to lower 40s.
Thursday... Partly cloudy. Highs in the 50s.
Thursday Night... Partly cloudy. Lows in the upper 30s to mid 40s.
Friday... Partly cloudy. A 20% chance of rain in the afternoon. Highs in the mid 50s to lower 60s.
Friday Night... Partly cloudy. A 20% chance of rain in the evening. Lows in the upper 30s to mid 40s.
Saturday... Mostly sunny. Highs in the upper 50s to mid 60s.
Saturday Night... Mostly clear. Lows in the upper 30s to mid 40s.
Sunday... Mostly sunny. Highs in the 60s.
Sunday Night... Partly cloudy. Lows in the 40s.
Monday... Partly cloudy. Highs in the 60s to lower 70s.
Monday Night... Partly cloudy. Lows in the 40s.
POP = Probability of Precipitation
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