Felipe Moreno, a resident of Elk Mountain Road, watch as a smoke tornado rises from the Lucas Fire, Thursday, September 10, 2026. (Kent Porter / The Press Democrat)
Diego Mendoza of Cheyenne, Wyoming patrols the left flank of the Lucas Fire as it creeps down towards homes on Elk Mountaini Road , Thursday, September 10, 2026. (Kent Porter / The Press Democrat)
The Lucas Fire, north of Upper Lake in the Middle Creek drainage, burns in to the night, Thursday, September 10, 2026. (Kent Porter / The Press Democrat)
The Lucas Fire, north of Upper Lake in the Middle Creek drainage, burns in to the night, Thursday, September 10, 2026. (Kent Porter / The Press Democrat)
The Lucas Fire, north of Upper Lake in the Middle Creek drainage, burns in to the night, Thursday, September 10, 2026. (Kent Porter / The Press Democrat)
The Lucas Fire, north of Upper Lake in the Middle Creek drainage, burns in to the night, Thursday, September 10, 2026. (Kent Porter / The Press Democrat)
The Lucas Fire, north of Upper Lake in the Middle Creek drainage, burns in to the night, Thursday, September 10, 2026. (Kent Porter / The Press Democrat)
The Lucas Fire, north of Upper Lake in the Middle Creek drainage, burns in to the night, Thursday, September 10, 2026. (Kent Porter / The Press Democrat)
James DeVries of Upper Lake watches as the Lucas Fire burns at sunset, as seen from Main Street in Upper Lake, Thursday, September 10, 2026. (Kent Porter / The Press Democrat)
The Lucas Fire exhibits extreme fire behavior above Elk Mountain Road, Thursday, September 10, 2026, near Upper Lake. (Kent Porter / The Press Democrat)
From left, Chista Rhyne, Brooklyn Phillips, Azalea Rhyne and Jasper Ryne watch the The Lucas Fire burn above Elk Mountain Road close to their home, Thursday, Sept. 10, 2026, near Upper Lake. (Kent Porter / The Press Democrat)
The Lucas Fire burns above Elk Mountain Road as Cal Fire continues to make tanker drops, Thursday, Sept. 10, 2026, near Upper Lake. (Kent Porter / The Press Democrat)
The Lucas Fire burns above Elk Mountain Road as Cal Fire continues to make tanker drops, Thursday, Sept. 10, 2026, near Upper Lake. (Kent Porter / The Press Democrat)
The Lucas Fire burns above Elk Mountain Road as Cal Fire continues to make tanker drops, Thursday, Sept. 10, 2026, near Upper Lake. (Kent Porter / The Press Democrat)
Residents of Elk Mountain Road watch nervously as the Lucas Fire burns, Thursday, Sept. 10, 2026, near Upper Lake. (Kent Porter / The Press Democrat)
Justin Jones, a resident of Elk Mountain Road watches as the Lucas Fire burns above his home, Thursday, Sept. 10, 2026, near Upper Lake. (Kent Porter / The Press Democrat)
The Lucas Fire advances into the Mendocino National Forest near Upper Lake Thursday, Sept. 10, 2026. (Kent Porter / The Press Democrat)
A wind-driven wildfire in Lake and Mendocino counties has quickly reached 1,099 acres as of Friday morning, according to Cal Fire officials.
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The Lucas Fire, which is 5% contained, has rapidly spread near the Lake County and Mendocino county line, Potter Valley, according to Cal Fire incident reports.
The fire began Thursday morning shortly after 9 a.m. in areas stocked with dry grass and oak, and it quickly grew in the afternoon after jumping containment lines firefighters established that morning.
Driven by wind, the wildfire grew from 10 acres to 400 acres by 4 p.m., and then to 1,099 by 8 p.m., according to Cal Fire incident reports.
The cause of the fire is still under investigation, but Cal Fire confirmed lightning was recorded in the area in the morning.
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In Lake County, evacuation orders are in place for zones:MNF-E016, MNF-E018, MNF-E019, UPP-E023, UPP-E025, UPP-E026, UPP-E027, UPP-E030. There are evacuation warnings for zones MNF-E017, MNF-E021, UPP-E028, UPP-E031, UPP-E032, UPP-E035, UPP-E038.
In Mendocino County, evacuation orders are in place for zone MEN-2POT08 and zone MEN-2UKV28.
A temporary evacuation point has been established at the Lake County Fairgrounds located at Baldwin Pavilion at 401 Martin St., where there’s also an evacuation center for animals.
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