The Cram Fire reached 77,158 acres as of July 17, remaining the state's largest blaze and growing nearly 13,000 acres since July 16.

Gusty, shifting winds and high temperatures have caused a wildfire in central Oregon to spread rapidly, reaching more than 40,000 acres and prompting evacuations from ranches and communities in two counties, the authorities said on Tuesday.

The Cram fire, off of mile post 76 on Highway 97 near Willowdale and northeast of Pony Butte Road, has burned 20,000 acres and is 0% contained, according to the State of Oregon Fires and Hotspots Dashboard. There have been no reported injuries.