Noah Berger Photography

The Delta Fire burns in the Shasta-Trinity National Forest, Calif., on Thursday, Sept. 6, 2018.

The Delta Fire burns in the Shasta-Trinity National Forest, Calif., on Thursday, Sept. 6, 2018.

The Delta Fire burns in the Shasta-Trinity National Forest, Calif., on Thursday, Sept. 6, 2018. The wildfire closed both directions of Interstate 5 leaving trucks parked on the shoulder for more than two miles waiting to pass through. (AP Photo/Noah Berger)