Tue Jan 7 10:36:30 PM EST 2025 Gallatin and Madison County Mountains and Centennial Mountains- Including Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 834 PM MST Tue Jan 7 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM WEDNESDAY TO 5 AM MST THURSDAY... .REST OF TONIGHT...Colder. Mostly clear. Lows zero to 5 above. West winds up to 10 mph. .WEDNESDAY...Mostly cloudy. A 50 percent chance of snow in the afternoon. Patchy blowing snow in the afternoon. Highs 20 to 30. Southwest winds 10 to 20 mph. .WEDNESDAY NIGHT...Patchy blowing snow in the evening. Mostly cloudy with a 50 percent chance of snow. Visibility one quarter mile or less at times in the evening. Lows 10 to 15. Northwest winds 5 to 15 mph. .THURSDAY...Mostly cloudy in the morning then clearing. Highs 20 to 30. Northwest winds up to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows 5 to 15. Southwest winds up to 10 mph. .FRIDAY...Mostly cloudy with a 50 percent chance of snow. Highs 20 to 30. .FRIDAY NIGHT...Snow. Moderate snow accumulations. Lows 10 to 20. Chance of snow near 100 percent. .SATURDAY THROUGH SUNDAY...Mostly cloudy with a 50 percent chance of snow. Highs 15 to 25. Lows 5 to 15. .SUNDAY NIGHT...Colder. Mostly cloudy with a 20 percent chance of snow. Lows zero to 10 above zero. .MONDAY...Mostly cloudy. Highs 15 to 25. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 5 to 10. Highs 20 to 30. && TEMPERATURE / PRECIPITATION West Yellowstone -2 22 3 27 / 0 30 40 0