43°25'N / 110°47'W / Altitude 1845 m / 17:05 2026/04/21, America/Denver (UTC-6)
From: 2026/04/21, 12:09
To: 2026/04/22, 07:00
* WHAT...Snow expected. Total snow accumulations generally between 6 and 12 inches with locally higher amounts to 18 inches across the Tetons. Winds gusting as high as 45 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From noon Wednesday to 11 PM MDT Thursday. * IMPACTS...Travel could be very difficult, including over Teton Pass and Togwotee Pass.
From: 2026/04/21, 12:09
To: 2026/04/22, 07:00
* WHAT...Snow expected. Total snow accumulations between 6 and 12 inches with the highest amounts across southwestern portions of the Park. Winds gusting as high as 40 mph. * WHERE...Yellowstone National Park. * WHEN...From noon Wednesday to 11 PM MDT Thursday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Total snow amounts up to 3 inches at Mammoth.