Pollux Fire

The Pollux Fire, shown in this August 4 image, burned 30 acres before being declared out October 2
Beau Kidd / Shoshone National Forest

Snow and colder temperatures have snuffed out the last four wildfires burning in Yellowstone National Park.

Visitors hike near the Dunraven Pass area, Yellowstone National Park, July 01, 2017.
Yellowstone National Park/public domain

A small lightning-caused fire started Sunday in Yellowstone National Park as fire danger shifted from moderate to high.