Smoke was reported as visible from Fredonia, Arizona, a small town that serves as the gateway to the North Rim of the Grand Canyon.

By the evening, the fire had grown to 2,238 acres (906 ha), red flag warnings were in place, and evacuations were ordered for Jacob Lake, Arizona starting June 12.

[7][8] By the morning of June 13, red flag winds caused the Mangum Fire to grow substantially – to over 10,000 acres (4,047 ha).

Crews created defensible space around structures in Jacob Lake and burn outs to divert the fire from the community.

[14] The USFS reported that the historic Jacob Lake Ranger Station was narrowly spared from the fire, burning "within feet" of the building.

[2] The fire began moving east on June 21, with a large smoke plume appearing, requiring further use of air support to fight the growth.

Due to the closure of the Arizona portion of House Rock Valley Road, parts of Paria Canyon-Vermilion Cliffs Wilderness, specifically Coyote Buttes and White Pockets became inaccessible.

[19] Due to evacuation orders and threats to power sources in the area, electricity was turned off at North Rim of the Grand Canyon National Park and Jacob Lake.

[26] Due to the closure of House Rock Valley Road, parts of Paria Canyon-Vermilion Cliffs Wilderness, including Coyote Buttes South and White Pockets were made inaccessible.

[17] Smoke was visible from the north and south rims of Grand Canyon National Park, Highway 67, U.S. Route 89A, and the Arizona communities of Jacob Lake, Fredonia, Page, and Utah town of Kanab.