NEW : Grass is burning in Oklahoma County . 7,500 acres have burned in El Alto County , Texas . High winds have whipped up the area west of Dallas - Fort Worth . Texas is up against the worst fire season in its history .
NEW : Grass fire burns in Oklahoma City . 7,500 acres have burned in Palo Pinto County , Texas . High winds have whipped up the blaze west of Dallas-Fort Worth . Texas is up against the worst fire season in its history .