Photos posted on social media showed significant smoke rising from the hills above residential areas.
A multi-agency investigation in North Carolina led to arson charges for a number of firefighters.
Nevada officials are asking to speak to anyone with information on the Martin Fire, which grew to nearly 400,000 acres over the weekend.
The Spring Creek Fire, which has been burning for a little over a week, has destroyed more than 130 homes in Colorado.
The spreading fire was still zero percent contained.
"She's been burned on all four of her feet, particularly her toes quite badly," a Colorado Parks and Wildlife official has said.
Authorities initiated evacuations for those near the Florissant Fire Friday afternoon.
More than 100 firefighters were on scene working to contain the flames.
Officials announced Wednesday that the fire is just 15 percent contained.
The fire started in the right of way of Highway 550 on Friday morning and made its way into the San Juan National Forest.
The former Montana congressman and Navy SEAL has faced plenty of questions about his air travel as secretary of the interior.
2017 is one of the worst years on record for natural disasters, a report revealed Thursday
The footprint of the flames in Bel-Air is the same as a 1961 blaze that consumed 500 homes, fire authorities said.
Winds of up to 60 mph are pushing the fire in the direction of the cities of Santa Paula and Ventura.