A series of wildfires ignited in Northern California on September 2, 2025, primarily caused by lightning strikes amid dry and windy conditions.

A total of 59 lightning strikes were recorded across the region since 7 a.m., which officials suspect as the cause of several fires, with ongoing investigations.

The lightning strikes, combined with gusty winds reaching 40 to 60 mph, complicated firefighting efforts and contributed to the rapid spread of the fires.

The Brown Fire, the largest of the incidents, started shortly after 7:30 a.m. near the Amador County line, initially covering 20 acres and growing to about 60 acres before containment.

Multiple wildfires, including the Brown Fire, the Rock Fire, and the Copper Fire, erupted in Sacramento County, with the Rock Fire reaching approximately 25 acres and the Copper Fire stopping at 11 acres.

A separate 400-acre fire, the 2-2 Fire, also broke out in Stanislaus County, highlighting the widespread impact of lightning-induced fires.

Road closures along Ione Road and other affected areas were implemented to facilitate firefighting efforts, with emergency responders actively working to contain the blazes.

Fire crews from Cal Fire and Sacramento Metropolitan Fire District responded swiftly, working to protect structures, monitor hot spots, and prevent flare-ups.

In response to the heightened fire risk, the Governor’s Office of Emergency Services deployed 23 fire engines and personnel across multiple counties, including El Dorado, Nevada, Plumas, Sierra, and Trinity.

Authorities continue to monitor the situation, providing updates and resources through official channels and apps, as firefighting efforts remain ongoing.

The Brown Fire grew rapidly, prompting authorities to establish structure protection along Ione Road, and was eventually contained after reaching about 60 acres.

The smoke from the fires is expected to linger into the afternoon, with possible thunderstorms that could both aid and hinder firefighting efforts, urging residents to stay alert.

Officials warn that dry lightning and low humidity conditions pose an ongoing risk of new fires, even as weather patterns change.