Wyoming Weather Alert: Up to 18 Inches of Snow Forecast for Yellowstone and Teton Mountains

Wyoming Weather Alert: Up to 18 Inches of Snow Forecast for Yellowstone and Teton Mountains

RIVERTON, WYOMING — The National Weather Service in Riverton has issued a Winter Storm Warning for Yellowstone National Park and the Teton and Gros Ventre Mountains, in effect from 11 p.m. Saturday through 6 p.m. Monday. Forecasters warn of heavy snow, strong winds, and dangerous travel conditions across northwestern Wyoming.

Up to 18 Inches of Snow Possible

Snowfall totals are expected to reach 6 to 12 inches across most of Yellowstone, with higher amounts up to 15 inches near the park’s Southern Entrance. The Teton and Gros Ventre Mountains could see even greater accumulations — between 10 and 18 inches — along with wind gusts up to 45 mph.

“Travel will become very difficult to impossible in higher elevations, especially on mountain passes,” the National Weather Service stated in its latest update.

Hazardous Travel Expected Through Monday

Major routes such as Teton Pass and Togwotee Pass are likely to experience slick, snow-covered roads and periods of near-zero visibility due to blowing snow. Travelers are urged to delay unnecessary trips, carry emergency supplies, and check real-time road updates at wyoroad.info before setting out.

Storm to Ease Late Monday

The heaviest snowfall is expected from Saturday night through early Monday, with gradual improvement anticipated by Monday evening as the storm system moves east and weakens.

Residents and park visitors should prepare for rapidly changing mountain weather and winter driving conditions throughout the weekend.

Stay informed with the latest storm and travel updates at NapervilleLocal.com.

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