A San Bernardino County inmate hand crew works its way through brush to contain a fire in the Cajon Pass near Devore, Calif., Wednesday July 5, 2017. (James Quigg/The Daily Press via AP)

A U.S. Forest Service firefighter hoses down hotspots while battling a wildfire in the Cajon Pass near Devore, Calif., Wednesday July 5, 2017. (James Quigg/The Daily Press via AP)

A San Bernardino County Firefighter hoses down hot spots while battling a wildfire in the Cajon Pass near Devore, Calif., Wednesday July 5, 2017. (James Quigg/The Daily Press via AP)

Flames rise above the trees as a wildfire burns near Breckenridge, Colo., on Wednesday, July 5, 2017. The fire was reported midday Wednesday and is burning in the White River National Forest. (Jack Queen/Summit Daily News via AP)

A wildfire burns near Breckenridge, Colo., on Wednesday, July 5, 2017. The fire was reported midday Wednesday and is burning in the White River National Forest. (Hugh Carey/Summit Daily News via AP)

A wildfire burns near Breckenridge, Colo., on Wednesday, July 5, 2017. The fire was reported midday Wednesday and is burning in the White River National Forest. (Hugh Carey/Summit Daily News via AP)

A plane drops fire retardant in Breckenridge, Colo., Wednesday, July 5, 2017. A wildfire has scorched about 60 acres (24.3 hectares) and forced residents from their homes near the Colorado mountain town of Breckenridge. (Hugh Carey/Summit Daily News via AP)

Crews work to protect a home site as they battle a wildfire along Pyramid Highway, Wednesday, July 5, 2017, near Reno, Nev. A day after beating back flames to prevent damage to dozens of rural homes, fire officials on Wednesday advised more residents to evacuate with their animals ahead of one of several blazes sweeping across hot, dry northern Nevada rangelands. (Jason Bean/The Reno Gazette-Journal via AP)

Crews battle a wildfire in the Palomino Valley, Wednesday, July 5, 2017, near Reno, Nev. A day after beating back flames to prevent damage to dozens of rural homes, fire officials on Wednesday advised more residents to evacuate with their animals ahead of one of several blazes sweeping across hot, dry northern Nevada rangelands. (Jason Bean/The Reno Gazette-Journal via AP)

Crews work to protect a home site as they battle a wildfire along Pyramid Highway, Wednesday, July 5, 2017, near Reno, Nev. A day after beating back flames to prevent damage to dozens of rural homes, fire officials on Wednesday advised more residents to evacuate with their animals ahead of one of several blazes sweeping across hot, dry northern Nevada rangelands. (Jason Bean/The Reno Gazette-Journal via AP)

As the sun sets a helicopter makes water dumps on a wildfire near the Peak 2 in Breckenridge, Colo., Thursday, July 5, 2017. Firefighters were working Thursday to keep the wildfire that’s forced the evacuation of hundreds of people from spreading toward homes near Colorado’s Breckenridge Ski Resort and the nearby historic town. (Helen H. Richardson/The Denver Post via AP)

A helicopter makes water drops on a wildfire near the Peak 2 as it continues to burn in the White River National Forest between Breckenridge and Frisco, Colo., Thursday, July 6, 2017. Firefighters were working Thursday to keep the wildfire that’s forced the evacuation of hundreds of people from spreading toward homes near Colorado’s Breckenridge Ski Resort and the nearby historic town. (Helen H. Richardson/The Denver Post via AP)

A firefighter walks along the fire line as flames burn grass and brush on Rattlesnake Ridge in Moxee, Wash., on Thursday, July 6, 2017. The fire burned more than 5,500 acres of mostly grass and brush in less than 24 hours, and threatened about 30 homes. ( Jake Parrish/Yakima Herald-Republic via AP)

A helicopter dumps water on a brush fire on Rattlesnake Ridge in Moxee, Wash., on Thursday, July 6, 2017. The fire burned more than 5,500 acres of mostly grass and brush in less than 24 hours, and threatened about 30 homes. (Jake Parrish/Yakima Herald-Republic via AP)

A helicopter dumps water along the fire line as the fire moves down Rattlesnake Ridge in Moxee, Wash., on Thursday, July 6, 2017. The fire burned more than 5,500 acres of mostly grass and brush in less than 24 hours, and threatened about 30 homes. (Jake Parrish/Yakima Herald-Republic via AP)

As Rattlesnake Ridge continues to burn in the distance, a fire fighting helicopter loads water into a bucket in Moxee, Wash., on Thursday, July 6, 2017. The fire burned more than 5,500 acres of mostly grass and brush in less than 24 hours, and threatened about 30 homes. (Jake Parrish/Yakima Herald-Republic via AP)

A helicopter carries a bucket of water towards the fire line at Rattlesnake Ridge in Moxee, Wash., on Thursday, July 6, 2017. The fire burned more than 5,500 acres of mostly grass and brush in less than 24 hours, and threatened about 30 homes. (Jake Parrish/Yakima Herald-Republic via AP)

Smoke fills the sky as a brush fire burns on Rattlesnake Ridge in Moxee, Wash., on Thursday, July 6, 2017. The fire burned more than 5,500 acres of mostly grass and brush in less than 24 hours, and threatened about 30 homes. (Jake Parrish/Yakima Herald-Republic via AP)

Fire creeps towards orchards on Rattlesnake Ridge in Moxee, Wash., on Thursday, July 6, 2017. The fire burned more than 5,500 acres of mostly grass and brush in less than 24 hours, and threatened about 30 homes. (Jake Parrish/Yakima Herald-Republic via AP)

A wildfire burns north of State Bridge on Thursday, July 6, 2017, near Vail, Colo. More than 30 fires are currently active around the western U.S. (Chris Dillmann/Vail Daily via AP)