Dome Mountain, elevation 9,903 feet (3,018 m), is a mountain peak in the southern section of the Gallatin Range in Yellowstone National Park, in the U.S. state of Wyoming.
According to the Köppen climate classification system, Dome Mountain has an alpine subarctic climate with long, cold, snowy winters, and cool to mild summers.[4] Winter temperatures can drop below −10 °F with wind chill factors below −30 °F.