Sunday – SaturdayJuly 26, 2026 – August 1, 2026Sunday: Sunny with a high of 82F and a low of 55F.Monday: Cloudy with a high of 81F and a low of 48F.Tuesday: Partly cloudy with a high of 85F and a low of 49F.Wednesday: Sunny with a high of 81F and a low of 49F.Thursday: Sunny with a high of 86F and a low of 50F.Friday: Sunny with a high of 89F and a low of 51F.Saturday: Sunny with a high of 91F and a low of 52F.Changing weather conditions exist. Be prepared when traveling through Yellowstone Country. Be prepared with layers! Up-to-date conditions at weather.govThe west entrance to Yellowstone opened to regular vehicle traffic on April 17.Yellowstone National Park 2026 regular vehicle opening and closing dates are posted below.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.