The Bighorn Fire has grown to more than 37,058 acres and remains at 40 percent containment on Friday, June 19.
The evacuation orders for Mount Lemmon, Mount Bigelow and Summerhaven remain in effect.
Trico Electric Cooperative turned off its generator and shut off power to Mt. Lemmon effective 5:30 p.m. on Wednesday, June 17. This shutdown may affect areas that are outside of established evacuation zones.
The blaze was ignited by lightning in the Coronado National Forest late Friday, June 5.