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Hollow Trap Lake, MT Weather Forecast
Hollow Trap Lake, MT Weather Forecast Date: 336 AM MDT Mon Oct 19 2026
The area/counties/county of: Gallatin And Madison County Mountains And Centennial Mountains, including the cities of: Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass.or toggle through each period.
Today... Sunny. Highs 50 to 60. South winds 5 to 15 mph with gusts to around 30 mph.
Tonight... Mostly clear in the evening then becoming mostly cloudy. Lows 32 to 38. South winds 5 to 10 mph with gusts to around 30 mph.
Tuesday... Mostly sunny. A 20% chance of rain in the afternoon. Highs 49 to 59. South winds up to 10 mph.
Tuesday Night... Partly cloudy. Lows 33 to 39. Southeast winds up to 10 mph.
Wednesday... Mostly sunny. A 20% chance of rain in the morning. Highs 49 to 59. South winds up to 15 mph with gusts to around 30 mph.
Wednesday Night... Mostly clear. Lows 35 to 41.
Thursday... Partly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. Highs 48 to 58. Chance of rain 50%.
Thursday Night... Rain likely in the evening, then rain after midnight. Light snow accumulations. Lows 31 to 37. Chance of rain near 100%.
Friday... Colder. Rain and snow. Heavy snow accumulations. Highs 34 to 40. Chance of precipitation near 100%.
Friday Night... Colder. Mostly cloudy. Snow and rain likely in the evening, then slight chance of snow after midnight. Moderate snow accumulations. Lows in the lower 20s. Chance of precipitation 70%.
Saturday... Partly cloudy. Highs 30 to 38. Lows in the mid 20s.
Saturday Night... Partly cloudy. Highs 30 to 38. Lows in the mid 20s.
POP = Probability of Precipitation
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