Seasons Most visitor facilites are open from late May to mid-September.
Car rentals are available at both airports.
Shuttles are available at the Kalispell airport. Shuttles from airports and train stations provide some service to visitors to the park. F. It is frequently 10 to 15 degrees cooler at higher elevations. Strong winds and sunny days predominate on the east side of the park. Overnight lows throughout the park can drop to near 20 degrees F, and snow can fall anytime.