The fire at Possum Kingdom Lake about 95 miles (153 kilometers) west of Dallas began on 18th July afternoon
No injuries have been reported and the cause is under investigation.
Forest Service spokesperson Adam Turner told reporters at the scene that drought conditions in the region have left the area ripe for fire
At least 8 homes have been evacuated.
The National Weather Service has issued a Red Flag fire warning for the area for 19th July in addition to an excessive heat warning with high temperatures near 110 degrees Fahrenheit (43 degrees Celsius)
Wildfires and intense heat in Texas and some other parts of the United States come as unusually hot, dry weather has gripped large swaths of Europe since last week