Wed Jan 8 01:43:24 AM EST 2025 Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 1140 PM MST Tue Jan 7 2025 .TONIGHT...Mostly clear late this evening, then becoming partly cloudy. Patchy fog late this evening. Areas of fog after midnight. Cold with lows 3 below to 5 above zero. South winds around 10 mph with gusts up to 20 mph after midnight. .WEDNESDAY...Partly cloudy in the morning, then mostly cloudy with numerous snow showers in the afternoon. Snow accumulation up to 2 inches. Breezy with highs in the lower 20s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of snow 60 percent. .WEDNESDAY NIGHT...Mostly cloudy. Numerous snow showers, mainly in the evening. Snow accumulation up to 2 inches. Cold with lows 6 to 12 above. Northwest winds 10 to 15 mph. Chance of snow 60 percent. .THURSDAY...Partly cloudy in the morning, then clearing. Highs in the lower 20s. Northwest winds 10 to 15 mph. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows 1 to 7 above. Southwest winds around 10 mph after midnight. .FRIDAY...Partly cloudy in the morning, then mostly cloudy with snow showers in the afternoon. Little or no snow accumulation. Highs in the lower 20s. Chance of snow 90 percent. .FRIDAY NIGHT...Snow showers. Light snow accumulation. Cold with lows 10 to 15. Chance of snow 90 percent. .SATURDAY...Snow showers. New light snow accumulation. Cold with highs around 20. Chance of snow 80 percent. .SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of snow showers. Cold with lows 5 to 10 above. .SUNDAY...Cloudy with snow showers likely. Little or no snow accumulation. Cold with highs 15 to 21. Chance of snow 60 percent. .SUNDAY NIGHT...Mostly cloudy. A chance of snow showers, mainly in the evening. Cold with lows zero to 5 above zero. Chance of snow 30 percent. .MONDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Cold with highs 15 to 21. .MONDAY NIGHT...Partly cloudy. Cold with lows zero to 5 above zero. .TUESDAY...Partly cloudy. Highs in the lower 20s.