Yellowstone National Park winter weather advisory

Expected snow may close Sylvan Pass and other roads
Yellowstone National Park winter weather advisory
Yellowstone National Park winter weather advisory(PRNewswire)
Published: Sep. 22, 2023 at 3:51 PM CDT
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CHEYENNE, Wyo. (PRESS RELEASE) -Stay informed about road status and weather conditions

  • Visitors to Yellowstone National Park should be aware that winter weather is expected in the park this evening, especially on high elevation passes.
  • Weather can change quickly this time of year in the mountains.
  • The weather forecast for Friday evening, Sept. 22 predicts 90% precipitation with possible 5-9 inches of snow accumulation on Sylvan Pass, located on the East Entrance Road.
  • If road conditions deteriorate due to the predicted winter weather, staff will close the East Entrance Road to Sylvan Pass and other roads as appropriate.
  • If needed, staff will evaluate conditions the morning of Saturday, Sept. 23 and will reopen the road (if it closes) when conditions allow.
  • For up-to-date information about park roads:
  • Visit Park Roads.
  • Call (307) 344-2117 for recorded information.
  • 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).
  • Check road conditions outside of Yellowstone in Montana, Wyoming, Idaho, and Grand Teton National Park.