(Updated Friday Oct. 7): All roads in Yellowstone are now open except for the East Entrance Road over Sylvan Pass and Dunraven Pass between Tower and Canyon, which has been closed for the season.
Beartooth Pass outside the park's Northeast Entrance will remain closed. Beartooth Pass was scheduled to close for the winter season beginning Tuesday, October 11th.
A winter weather advisory was issued Thursday because of expected high elevation snowfall of 6-12 inches (above 7,500 feet), and 3-6 inches in other areas. The advisory will be in effect through 9 am Friday morning.
Check 24-hour park info by calling (307) 344-2117. Or view Yellowstone and Grand Teton National Park website forecasts here.