Tue Jan 7 10:36:30 PM EST 2025 Big Belt, Bridger and Castle Mountains- Including Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek 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. Partly cloudy. Patchy fog late in the evening. Lows 5 to 10. Southwest winds 5 to 15 mph. Gusts up to 30 mph after midnight. .WEDNESDAY...Partly cloudy in the morning, then mostly cloudy with a 50 percent chance of snow in the afternoon. Patchy dense fog and blowing snow in the morning, then patchy blowing snow in the afternoon. Visibility one quarter mile or less at times in the afternoon. Highs 25 to 35. Southwest winds 10 to 20 mph with gusts to around 35 mph. .WEDNESDAY NIGHT...Mostly cloudy. Patchy blowing snow in the evening. Snow likely in the evening, then chance of snow after midnight. Visibility one quarter mile or less at times in the evening. Snow accumulation of 2 to 5 inches. Lows 15 to 20. Northwest winds 10 to 15 mph with gusts to around 35 mph decreasing to up to 10 mph after midnight. Chance of snow 70 percent. .THURSDAY...Mostly cloudy in the morning then becoming partly cloudy. Highs 25 to 30. West winds up to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows 15 to 20. Southwest winds up to 10 mph. .FRIDAY...Mostly cloudy with a 40 percent chance of snow. Highs 30 to 35. .FRIDAY NIGHT...Snow. Heavy snow accumulations. Lows 20 to 25. Chance of snow near 100 percent. .SATURDAY...Snow likely. Heavy snow accumulations. Highs 20 to 30. Chance of snow 70 percent. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a 50 percent chance of snow. Lows 15 to 20. Highs 20 to 25. .SUNDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Lows 10 to 15. .MONDAY...Mostly cloudy with a 20 percent chance of snow. Highs 20 to 25. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 10 to 15. Highs 20 to 30.