Weather is highly seasonal with wide variations in temperature. Summertime temperatures range from 95F by midday and drop to 50F at night. Although the park is open year-round, harsh winter conditions with heavy snowfalls and temperatures dropping below zero limit access. During winter months, only vehicles with four wheel drive are recommended. Rainfall is variable, with thunderstorms common in July and August.

For further weather info go to:
www.weather.com