The sky above Grand Teton
Leonids 2026 peaks November 17, 2026, ~15/hr; occasional outbursts.
Plan a trip around Leonids 2026 →When to go
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.
Know before you go
Entrance $354 campgrounds · 4 reservableFly into JAC
Check current conditions with NPS →Campgrounds
In and around Grand Teton, reservable sites first.
- Alpine North LoopReservableBook on Recreation.gov →
- Headwaters Campground at Flagg RanchReservableBook on Recreation.gov →
- Lizard Creek CampgroundReservableBook on Recreation.gov →
- Signal Mountain CampgroundReservableBook on Recreation.gov →