The late conservationist and philanthropist John D. Rockefeller, Jr. made substantial contributions to quite a few national parks.Located at the heart of the Greater Yellowstone Ecosystem, the Rockefeller Parkway connects Grand Teton and Yellowstone National Parks.
he first heavy snows fall by November 1 and continue through March with snow and frost possible during any month. Summer days range in the 70s and 80s with cool nights in the 40s. Afternoon thunderstorms during the summer are common. Mild to cool temperatures through September and October. Raingear recommended during spring, summer and fall. Sub-zero temperatures are common throughout winter and demand multi-layered clothing, hats, mittens and cold weather boots.