Cal Fire officials say crews have stopped the forward progression of a 300-acre wildfire outside the Lake County community of Lower Lake and expect to have it fully contained by 10 a.m. Saturday.

The "29 Fire" was said to be 60 percent contained on Friday evening. Mandatory evacuation orders for the Murphy Springs Subdivision off Highway 29 about three miles south of Lower Lake were lifted Friday afternoon.

About 30 residences were without power Friday but were expected to have electricity restored by 8 p.m., Cal Fire said.

One home was destroyed in the early hours of the blaze. Ten others were saved, officials said.

Numerous cars were burned beyond repair. Ten acres of vineyards also burned.

The cause of the fire, first reported at 2:44 a.m. Thursday, remained under investigation.

More than 360 fire personnel were assigned to the fire Friday.