Madre Fire initially started 1:07 p.m. July 2 in San Luis Obispo County, California. Since its discovery four days ago, it has burned 80,480 acres. A crew of 1,472 firefighters effectively contained 30% of the fire by Sunday evening. The cause of it remains under investigation.

California's largest wildfire of 2025 has burned more than 80,400 acres in San Luis Obispo County.The Madre Fire is burning in the southeastern area of San Luis

The Madre fire has grown to 70,800 acres in San Luis Obispo County, making it the largest blaze in the state this year.