The man was flown to an area hospital Friday, but his condition was unknown.
She said they drove with her son until they saw the lights of emergency vehicles and ash from the fire on the roadway, then turned and went home.
The "Rhea Fire" in Dewey County is about 28 miles long and 7 miles wide.
Several other wildfires have been reported flaring up all around the state.
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Flames fanned by blustery gusts and fed by desiccated foliage burned some 300 acres of southern Albemarle brush Thursday evening and into Friday morning, county fire and rescue officials said.
The state of emergency was issued for 52 counties, including Alfalfa, Beaver, Beckham, Blaine, Caddo, Canadian, Carter, Cimarron, Cleveland, Comanche, Cotton, Creek, Custer, Dewey, Ellis, Garfield, Garvin, Grady, Grant, Greer, Harmon, Harper, Jackson, Jefferson, Johnston, Kay, Kingfisher, Kiowa, Lincoln, Logan, Love, Major, Marshall, McClain, Murray, Noble, Oklahoma, Okfuskee, Okmulgee, Osage, Pawnee, Payne, Pontotoc, Pottawatomie, Roger Mills, Seminole, Stephens, Texas, Tillman, Washita, Woods and Woodward.
Neither of those fires had been contained. "Anything that can be done to minimize fires will help to keep both our firefighters and the public safe". "I did get out and drive around ... but extremely scary". "We haven't seen these kinds of conditions in a decade", said Matt Lehenbauer, emergency management director for Woodward County.
The fires' spread comes as the United States faces a trio of unsafe weather possibilities this weekend: Besides the critical fire danger in Oklahoma and the Southern Plains, severe storms and tornadoes are forecast in the Mississippi River Valley, and heavy snow is expected for the Northern Plains and Upper Midwest.
The fire also resulted in the evacuation of Vici, a town of about 750, about 32 kilometres north of Leedey.