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Shelf Lake, MT Weather Forecast
Shelf Lake, MT Weather Forecast Date: 716 AM MDT Wed Sep 23 2026
The area/counties/county of: Yellowstone National Park, including the cities of: Lake, Mammoth, and Old Faithful.or toggle through each period.
Today... Mostly cloudy this morning, then becoming partly cloudy. A chance of rain showers. A slight chance of thunderstorms this afternoon. Highs in the mid 50s. West winds around 10 mph this afternoon. Chance of rain 30%.
Tonight... Mostly clear. Lows in the mid 30s.
Thursday... Mostly sunny. Highs in the mid 60s.
Thursday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s.
Friday... Mostly sunny. Highs in the lower 60s. South winds around 10 mph, becoming southwest with gusts up to 25 mph in the afternoon.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Breezy with lows in the lower 40s.
Saturday... Mostly sunny and breezy. Highs in the mid 50s.
Saturday Night... Partly cloudy. Lows in the upper 30s.
Sunday... Partly cloudy with a chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of rain 30%.
Sunday Night... A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of rain showers. Lows in the upper 30s. Chance of rain 50%.
Monday... Mostly cloudy in the morning, then becoming partly cloudy. A chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Chance of rain 50%.
Monday Night... Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening. Lows in the lower 30s. Chance of rain 30%.
POP = Probability of Precipitation
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