Sunday – SaturdayMay 24, 2026 – May 30, 2026Sunday: Mostly sunny with a high of 75F and a low of 37F.Monday: Sunny with a high of 80F and a low of 41F.Tuesday: Mostly sunny with a high of 77F and a low of 39F.Wednesday: Cloudy with a high of 72F and a low of 38F.Thursday: Mostly sunny with a high of 74F and a low of 38F.Friday: Mostly sunny with a high of 68F and a low of 36F.Saturday: Partly sunny with a high of 64F and a low of 34F.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 17.2026 regular vehicle opening 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.