West Yellowstone Road Conditions & Weather Alerts Sunday – Saturday January 18, 2026 – January 24, 2026 Sunday: Partly cloudy with a high of30F and a low of 3F. Monday: Mostly sunny with a high of 29F and a low of 9F. Tuesday: Partly cloudy with a high of 28F and a low of 6F. Wednesday: Partly cloudy with a high of 27F and a low of 6F. Thursday: Mostly cloudy with a high of 28F and a low of 8F. Friday: Partly cloudy with a high of 27F and a low of 10F. Saturday: Snow. Cloudy with a high of 28F and a low of 16F. 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 to regular vehicle traffic except the north entrance road from Gardiner to Cooke City. Select roads and entrances in Yellowstone, including the west entrance and west entrance road, opened 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.