Winter Weather Advisory issued December 25 at 1:11PM MST until December 27 at 11:00PM MST by NWS Riverton WY

* WHAT…Snow. Total snow accumulations between 1 and 3 inches at
Mammoth Hot Springs, 3 to 6 inches across most of the Park, and 6
to 12 inches at South Entrance. Wind gusting as high as 35 mph,
resulting in drifting/blowing snow.

* WHERE…Yellowstone National Park.

* WHEN…From 5 AM Thursday to 11 PM MST Friday.

* IMPACTS…Travel will be difficult, especially in the backcountry.