RIVERTON, Wyo. – A Winter Weather Advisory will bring up to 11 inches of snow and wind gusts reaching 55 mph across western Wyoming from late Monday night through Tuesday afternoon.
According to the National Weather Service in Riverton, the advisory is in effect from 11 p.m. Monday to 5 p.m. MST Tuesday for Yellowstone National Park and the Wind River Mountains West, Teton and Gros Ventre Mountains, and the Salt River and Wyoming ranges.
Snowfall totals of 3 to 6 inches are expected across much of Yellowstone National Park, with higher amounts of 7 to 11 inches over the Pitchstone Plateau. Mammoth is forecast to receive up to 2 inches.
In the surrounding mountain ranges, total accumulations between 5 and 10 inches are expected. Specific forecasts include 5 to 8 inches at Teton Pass along Wyoming Highway 22, 4 to 7 inches at Togwotee Pass along U.S. Highway 26/287, and 2 to 5 inches at South Pass along Wyoming Highway 28.
Wind gusts could reach 45 mph in Yellowstone and up to 55 mph across higher elevations, potentially reducing visibility and creating difficult travel conditions.
The National Weather Service warns that backcountry travel may be difficult and that hazardous conditions could affect travel over mountain passes during the Tuesday morning and evening commute periods.
Drivers are urged to slow down and use caution while traveling, particularly along exposed highway corridors and higher elevation passes.
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