Several fire departments are trying to get control of a grass fire about four miles north of Luther.
The fire began burning at Waterloo and Dobbs around 3 p.m. Departments from Luther, Guthrie, Oak Cliff and Deer Creek are battling the flames.
Bob Mills SkyNews 9 HD was over the scene. Pilot Jim Gardner said there was a lot of smoke, but it was contained in the trees. It appeared no homes or businesses were at risk.
The fire has burned 10 to 15 acres.