Update: Boundary Fire in San Diego County – July 18 status

Published Jul 18, 2025 #Boundary fire

Updated: 3:11 p.m. July 18

First discovered: 16 hours ago, 10:11 p.m. July 17

Initial location: San Diego County, Calif.

Fire type: Wildfire

Fire name: Boundary

Boundary Fire initially started 10:11 p.m. July 17 in San Diego County, California.

It has been burning on federal land managed by the United States Forest Service for 16 hours. At this time, the containment status is unknown and the cause of the fire remains undetermined.

Source: National Interagency Fire Center