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High Lake, MT Weather Forecast
High Lake, MT Weather Forecast Date: 202 AM MDT Tue Sep 22 2026
The area/counties/county of: Yellowstone National Park, including the cities of: Lake, Mammoth, and Old Faithful.or toggle through each period.
Rest of Tonight... Partly cloudy. Patchy fog. Near steady temperature in the upper 30s.
Tuesday... Patchy fog in the morning. Partly cloudy in the morning, then mostly cloudy with a chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs around 60. Southwest winds around 10 mph in the afternoon. Chance of rain 30%.
Tuesday Night... A chance of thunderstorms in the evening. Rain showers likely. Lows in the upper 30s. Chance of rain 70%.
Wednesday... Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 50s. Southwest winds around 10 mph in the afternoon.
Wednesday Night... Mostly clear. Lows in the mid 30s. Southwest winds around 10 mph in the evening.
Thursday... Mostly sunny. Highs in the mid 60s.
Thursday Night... Partly cloudy. Lows around 40.
Friday... Mostly sunny and breezy. Highs in the lower 60s.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Lows around 40.
Saturday... Mostly sunny and breezy. Highs in the upper 50s.
Saturday Night... Partly cloudy. Lows in the mid 30s.
Sunday... Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of rain 30%.
Sunday Night... Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A chance of rain showers. Lows in the mid 30s. Chance of rain 40%.
POP = Probability of Precipitation
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