West Yellowstone, Montana, is a rustic mountain town nestled between National Forest lands and Yellowstone National Park and is the gateway to Yellowstone National Park. It is only a mile from the park entrance, and the town's airport is the closest to the park, and to attractions like Old Faithful. West Yellowstone experiences cold, sometimes bitterly cold winters, and mild summers. During summer, the average low is 41°F and the average high is 78°F. During the winter, the average low is 1°F, and the average high is 24°F weather.com monthly averages. http://wikitravel.org/en/West_Yellowstone