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: 3 hrDIRECTIONS INFO
DANGER
Measles outbreak in Teton County
The Teton County Health Department declared a local emergency due to a measles outbreak on July 13, 2026. Visitors and residents may have been exposed at several locations in Teton County, including the Colter Bay area in Grand Teton National Park.
moreCAUTION
Construction in the South End of the Park
Construction projects underway. Moose-Wilson Road partial closure 7/21 and 7/22 between Murie Ranch and LSR Preserve. Expect delays of 45 minutes or longer all other times. Death Canyon Road and Trailhead closed. Taggart Trail detour in place. Menor's Ferry Road closed weekdays.
morePARK CLOSURE
Death Canyon Trailhead Construction Closure
Death Canyon Road and Trailhead are closed to all use. Start hikes at alternative trailheads such as Granite Canyon, LSR Preserve, and Taggart Lake.
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