[UPDATE 7:53 p.m.] Shamrock Fire Reported Near Willits

Smoke rising from the Shamrock Ranch as seen on the ALERTCalifornia Black Oak camera.

A vegetation fire was reported this afternoon about 5:30 p.m. in the 39200 block of Old Sherwood Road northeast of Willits, according to emergency dispatch traffic.

Multiple 911 callers reported a forest fire east of 101 southeast of Laytonville. Initial dispatch information identified the incident as a vegetation fire. According to radio traffic, CAL FIRE personnel indicated the blaze may be a rekindle of the Shamrock Burn Management Area.

Air resources, including a helicopter, air attack aircraft, and an air tanker, were dispatched to the scene as firefighters responded.

The size of the fire and any threats to structures were not immediately available. Though it is in a remote area and there aren’t many structures in the area.

This is a developing story and information may change as more details become available.

UPDATE 7:53 p.m.: A press release from Mendocino CALFIRE states,
On May 19th 2026, at 5:17 PM, a flareup occurred on the Shamrock Vegetation Management Project (VMP) in Laytonville, California. The flareup was within the prescribed burning area, in a plot that was scheduled to be treated at a later date. The fire burned 2.4 acres. The fire stayed within containment lines and there is no threat to structures or lives. CAL FIRE Mendocino Unit ensured that adequate resources were available and were dispatched in response to the flareup. This fire will be monitored throughout the night.