Alerts
Bears are active in Grand TetonBlack and grizzly bears are roaming throughout the park even in most winter months—near roads, trails, and in backcountry areas. Hikers and backcountry users are advised to travel in groups of three or more, make noise, and carry bear spray. Visitors must stay 100 yards from bears. For more information on bears checkout out Safety in Bear Country. 
Road Information
Check road conditions and construction updates around the park. 
Backcountry & Trail Conditions
Know what to expect before hitting the trailhead. 
Temporary & Wildlife Closures
Know where to go and protect wildlife. Wildland Fire and SmokeCurrent wildland fire danger: LOWSee the current fire activity page for more information.Smoke and Air QualityGrand Teton's air quality may be affected by fires elsewhere in the region or by prescribed fire in Grand Teton; hazy or smoky conditions are always possible. Check AirNow.gov for the smoke map. Air Quality in Grand Teton
WeatherGrand 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. Loading weather forecast... Park ConstructionGrand Teton National Park works on construction projects to improve visitor experiences. This projects can include full road and trail closures to area closures to short road delays. Check back here for the latest construction projects. |
Last updated: December 4, 2025