West Yellowstone Road Conditions & Weather Alerts Sunday – Saturday December 7, 2025 – December 13, 2025 Sunday: Snow. Cloudy with a high of 28F and a low of 24F. Monday: Snow. Cloudy with a high of 33F and a low of 29F. Tuesday: Snow. Cloudy with a high of 38F and a low of 30F. Wednesday: Mostly sunny with a high of 43F and a low of 24F. Thursday: Snow. Cloudy with a high of 40F and a low of 27F. Friday: Snow. Cloudy with a high of 38F and a low of 25F. Saturday: Mostly cloudy with a high of 38F and a low of 25F. Changing weather conditions exist. Be prepared when traveling through Yellowstone Country. Be prepared with layers! Up-to-date conditions at weather.gov All entrances and roads in Yellowstone National Park are closed except the north entrance road from Gardiner to Cooke City. Select roads in Yellowstone, including the west entrance and west entrance road, will open to guided snowcoach and snowmobile tours on December 15. The guided over-the-snow season ends on March 15. Check travel conditions: Montana travel conditions (1-800-226-7623) Wyoming travel conditions (1-888-996-7623) Idaho – 511.idaho.gov or dial 5-1-1. Yellowstone Road Conditions: For up-to-date information call (307) 344-2117 for recorded information or sign up to receive Yellowstone Road alerts on your mobile phone by texting “82190” to 888-777 (an automatic text reply will confirm receipt and provide instructions). Anticipate possible road closures due to inclement weather and dangerous driving conditions.