A wildfire in Yakima County grew to at about 2,500 acres on Thursday.

The Rattlesnake Hills Fire started on Wednesday at about 10:48 p.m., according to Deputy State Fire Marshal John Wabel. It is burning near Moxee, which is about eight miles southeast of Yakima.

The fire is 0 percent contained.

The grass and brush fire is threatening homes, crops, and communications infrastructure. Approximately 30 homes are under a level 1 evacuation, which means get ready to leave.

Three wildland strike teams, air resources, and an incident management team have been mobilized.

The cause is under investigation.