Pawnee fire in Northern California

An air tanker drops retardant on a wildfire burning above the Spring Lakes community near Clearlake Oaks, Calif.

(Noah Berger / Associated Press)

June 25, 2018 8:26 AM PT

Firefighter Richard Cotter hoses down hot spots near Clearlake Oaks, Calif.

(Noah Berger / Associated Press)

A wind-driven wildfire threatened homes as it raced across dry brush in rural Northern California.

(Paul Kitagaki Jr. / Associated Press)

A structure leveled by a wildfire rests in a clearing on Wolf Creek Road near Clearlake Oaks, Calif.

(Noah Berger / Associated Press)

Kevin Clark helps to protect his brother’s store as a wildfire burns and surrounds the area in Spring Valley, Calif.

(Paul Kitagaki Jr. / Associated Press)

Cal Fire battles a wildfire in Spring Valley, Calif.

(Paul Kitagaki Jr. / Associated Press)

A vehicle scorched by a wildfire rests in a clearing on Wolf Creek Road near Clearlake Oaks, Calif.

(Noah Berger / Associated Press)