Grand Teton National Park
WYWEATHER INFO
Grand Teton National Park has long, cold winters—snow and frost are possible any month. April, May, & June - Mild days and cool nights alternate with rain and snow. July & August - Warm days and cool nights prevail, with afternoon thundershowers common. September, October, & November - Sunny days and cold nights alternate with rain and occasional snowstorms. December to April - Between storms the days are sunny and nights are frigid. Snow blankets the mountains and valley.
Weather @ Grand Tetonlast updated: 2 hrDIRECTIONS INFO
CAUTION
Lane closures on US 89/191/126 near Moran Junction
US 89/191/26 will see northbound lane closures south of Moran Junction near WYDOT mile post 184 during daylight hours 11/14/2025 through 11/25/2025. Expect flaggers in the roadway and 15-20 minute delays.
CAUTION
Annual Elk Reduction Program Underway
The program runs November 15 - December 7. Area 75 is generally located on the east side of the park. Antelope Flats area is closed this season. Areas remain open to the public, but bright colored clothing is recommended.
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Winter Seasonal Road Closures
Portions of the Teton Park Road (Taggart Lake TH to Signal Mt.), Moose-Wilson Road (Granite Canyon TH to Death Canyon Road), and other roads are closed to vehicles. Check the Grand Teton Roads page for the latest seasonal and weather related closures. When free of snow, Teton Park and Moose-Wilson Roads are available for pedestrian use, including walking and biking. After they are snow-covered: skiing, snowshoeing, and walking are allowed.
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