Madre Fire initially started 1:07 p.m. July 2 in San Luis Obispo County, California. Since its discovery six days ago, it has burned 80,603 acres. A crew of 1,573 firefighters effectively contained 35% of the fire by Tuesday morning. The cause of it remains under investigation.

The bulk of the fire is threatening the Carrizo Plain National Monument, which is home to several endangered and threatened wildlife and plant species.

California's Madre Fire sparked in the late evening of July 3 but has since grown to the largest in the state this year by the Fourth.