Winter Storm Watch Idaho, Wyoming, Montana | Effective 03/11/2026 01:24
Public safety alert, emergency alert, and weather alert<br />
Description:<br />
* WHAT...Heavy snow possible. Total snow accumulations 1 to 2 feet<br />
over the higher elevations of southern and eastern YNP. 6 to 12<br />
inches in central portions of Yellowstone mainly above 7,500 ft,<br />
and between 1 and 4 inches in Lamar Valley and Mammoth. Winds<br />
could gust as high as 50 mph at times.
* WHERE...Yellowstone National Park.
* WHEN...From this evening through Saturday afternoon.