Tue Jan 7 10:36:30 PM EST 2025 Upper Blackfoot and MacDonald Pass- Including Marysville, Lincoln, Flesher Pass, and MacDonald Pass 834 PM MST Tue Jan 7 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM MST WEDNESDAY... .REST OF TONIGHT...Colder. Partly cloudy late in the evening then becoming mostly cloudy. Widespread dense fog. Lows 10 to 15. Southwest winds 5 to 15 mph. Gusts up to 30 mph after midnight. .WEDNESDAY...Mostly cloudy. Areas of dense fog in the morning, then patchy blowing snow in the afternoon. A 50 percent chance of snow in the afternoon. Highs 25 to 35. West winds 10 to 20 mph with gusts to around 35 mph. .WEDNESDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows 15 to 20. West winds 5 to 15 mph with gusts to around 30 mph decreasing to up to 5 mph after midnight. Chance of snow 50 percent. .THURSDAY...Partly cloudy. Highs 25 to 30. West winds up to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows 15 to 20. West winds 5 to 15 mph. .FRIDAY...Mostly cloudy with a 50 percent chance of snow. Highs 30 to 35. .FRIDAY NIGHT...Snow. Light snow accumulations. Lows 20 to 25. Chance of snow near 100 percent. .SATURDAY...Snow likely. Light snow accumulations. Highs 25 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 40 percent chance of snow. Lows 10 to 15. .MONDAY...Mostly cloudy with a 20 percent chance of snow. Highs 20 to 25. .MONDAY NIGHT...Partly cloudy. Lows around 15. .TUESDAY...Partly cloudy with a 20 percent chance of snow. Highs 25 to 30.