Evacuation orders were issued for 50,000 residents for the entire towns of Healdsburg and Windsor in northern California.
It was done as the growing Kincade Fire is expected to move toward there.
According to California Department of Forestry and Fire Protection (Cal Fire), the wild fire ignited Wednesday night exploded very fast.
It scorched over 25,455 acre (103 square km) by Saturday morning with only 10 percent containment.
The blaze destroyed 49 structures and is now threatening thousands of homes, the Cal Fire said, there is no report of fatalities.