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Castle Rock Inn, MT 7-Day Night Weather Forecast
65840 Gallatin Road, Gallatin Gateway, MT 59730Quick Weather Clicks
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Castle Rock Inn, MT Weather Forecast
Castle Rock Inn, MT Weather Forecast Date: 101 PM MDT Thu Oct 22 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.
Rest of Today... Mostly sunny. Near steady temperature in the mid 50s. South winds 10 to 15 mph with gusts to around 30 mph.
Tonight... Mostly cloudy with a 20% chance of rain. Lows 34 to 40. Southeast winds 5 to 10 mph with gusts to around 30 mph.
Friday... Rain and snow. Snow May be heavy at times in the afternoon. Snow accumulation up to 7 inches. Highs 39 to 47. Southwest winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation near 100%.
Friday Night... Colder. Snow and slight chance of rain in the evening, then chance of snow after midnight. Moderate snow accumulations. Lows in the lower 20s. North winds 5 to 15 mph. Gusts up to 45 mph Decreasing to 35 mph after midnight. Chance of precipitation near 100%.
Saturday... Sunny. Highs 35 to 41. Southeast winds up to 5 mph with gusts to around 20 mph shifting to the south in the afternoon.
Saturday Night... Mostly clear. Lows in the mid 20s. Highs 39 to 47.
Sunday... Mostly clear. Lows in the mid 20s. Highs 39 to 47.
Monday... Mostly sunny. Highs 40 to 48.
Monday Night... Partly cloudy in the evening, then mostly cloudy with a 40% chance of snow after midnight. Lows in the upper 20s.
Tuesday... Partly sunny with a 50% chance of snow. Highs 37 to 45.
Tuesday Night... Mostly cloudy with a 40% chance of snow. Lows in the mid 20s.
POP = Probability of Precipitation
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