The Windy Fire burns in Sequoia National Forest near California Hot Springs, California, U.S., September 24, 2021.

Firefighters start a controlled burn near Sugarloaf as the Windy Fire expands in the Sequoia National Forest, California, U.S., September 26, 2021.

A huge tree is marked unsafe by firefighters as the Windy Fire burns amid Sequoias in Sequoia National Forest near California Hot Springs, California, U.S., September 21, 2021 .

Firefighters from Orange County takes photos as the Windy Fire burns amid Sequoias in Sequoia National Forest near California Hot Springs, California, U.S., September 21, 2021 . Image used for illustrative purpose.

The Windy Fire burns in Sequoia National Forest near California Hot Springs, California, U.S., September 20, 2021.

The Windy Fire burns in Sequoia National Forest near California Hot Springs, California, U.S., September 24, 2021.

A hotshot crew marches to a spot fire as the Windy Fire expands in Sequoia National Forest, near Sugarloaf, California, U.S., September 26, 2021.

A sign is seen close to where firefighters started a controlled burn near Sugarloaf as the Windy Fire expands in the Sequoia National Forest, California, U.S., September 26, 2021.

A fire truck drives by a wooden sign wrapped in fire resistant aluminum to protect it from the KNP Complex fire, at the entrance of the Sequoia National Park, in Tulare County, California, U.S. September 18, 2021.

The Windy Fire burns in Sequoia National Forest near California Hot Springs, California, U.S., September 24, 2021.

The glow from the KNP Complex fire burning in Sequoia National Park is seen in the hills behind homes in Three Rivers, California, U.S. September 18, 2021.

A fireman watches the Windy Fire expand across the Pine Flats, in Sequoia National Forest, California, U.S., September 25, 2021.

Firefighters start a controlled burn near Sugarloaf as the Windy Fire expands in the Sequoia National Forest, California, U.S., September 26, 2021.

Firefighters start a controlled burn near Sugarloaf as the Windy Fire expands in the Sequoia National Forest, California, U.S., September 26, 2021.

Hot spots from the Windy Fire glow under a harvest moon in Sequoia National Forest near California Hot Springs, California, U.S., September 20, 2021.

Firefighters start a controlled burn near Sugarloaf as the Windy Fire expands in Sequoia National Forest, California, U.S., September 26, 2021.

The Windy Fire expands in the Sequoia National Forest, near Sugarloaf, California, U.S., September 26, 2021.

The Windy Fire burns amid Sequoias in Sequoia National Forest near California Hot Springs, California, U.S., September 21, 2021 .