Fri Feb 21 11:07:05 PM EST 2025 Gallatin and Madison County Mountains and Centennial Mountains- Including Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 906 PM MST Fri Feb 21 2025 .REST OF TONIGHT...Partly cloudy late in the evening then becoming mostly cloudy. Near steady temperature around 19. South winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Highs 30 to 40. Southwest winds 10 to 15 mph with gusts to around 30 mph. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy blowing snow after midnight. Lows 15 to 25. South winds 10 to 20 mph with gusts to around 35 mph. .SUNDAY...Breezy. Mostly cloudy. Chance of snow in the morning, then chance of snow and rain in the afternoon. Patchy blowing snow through the day. Highs 30 to 40. South winds 15 to 25 mph. Chance of precipitation 50 percent. .SUNDAY NIGHT...Breezy. Snow likely and chance of rain in the evening, then snow and rain likely after midnight. Patchy blowing snow through the night. Moderate snow accumulations. Lows 25 to 35. South winds 15 to 25 mph. Chance of precipitation 70 percent. .MONDAY...Mostly cloudy with a 50 percent chance of snow. Patchy blowing snow. Highs 35 to 40. .MONDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Lows 25 to 30. .TUESDAY...Breezy. Snow likely. Moderate snow accumulations. Highs 30 to 35. Chance of snow 70 percent. .TUESDAY NIGHT...Colder. Partly cloudy with a 20 percent chance of snow. Lows 10 to 20. .WEDNESDAY...Partly cloudy. Highs 30 to 35. .WEDNESDAY NIGHT...Mostly clear. Lows 15 to 20. .THURSDAY THROUGH FRIDAY...Partly cloudy. Highs 35 to 45. Lows 20 to 25. && TEMPERATURE / PRECIPITATION West Yellowstone 12 33 15 35 / 0 10 10 60