Vegetation fire near Clayton now 50% contained

Published July 17, 2026 4:15 PM PDT

Firefighters battled a vegetation fire near Clayton on Friday, prompting officials to issue a warning for some residents to prepare to evacuate.

Crews were dispatched to the Morgan Fire at about 2:44 p.m. near Morgan Territory and Marsh Creek roads, according to the Contra Costa Fire Protection District and Cal Fire's Santa Clara Unit.

By Saturday afternoon, Cal Fire said the fire was 50% contained.

Fire grows to 51 acres

What we know:

As of 9:20 p.m. Saturday, Cal Fire said the fire had burned approximately 51 acres. Officials said a fire retardant line had been established around about 75% of the fire's perimeter.

Crews will continue to work toward full containment Saturday evening, through Sunday.

Aerial images showed thick smoke billowing from the fire as a Cal Fire aircraft dropped retardant on the blaze.

Evacuation warning issued

Local perspective:

Contra Costa County issued an evacuation warning for residents living between Morgan Territory and Mount Diablo State Park, advising them to be prepared to leave if conditions worsen.

By Saturday morning, Contra Costa County had issued an "all clear" notice for the area.

The Source: This report is based on information from Cal Fire SCU and the Contra Costa Fire Protection District.

Clayton