4-1 Fire
- 100% Contained
- 230 Acres
- 1 County: Modoc
08/24/2026 3:22 PM
09/10/2026 1:53 PM
Under Investigation
CAL FIRE Lassen-Modoc Unit
No team assigned
Russel Slough, Southwest of County Rd 68 & County Rd 50, Davis Creek
Status reports
Incident Updates
The 4-1 Fire is now 90% contained.
Fire personnel continue working on fire suppression repair and mop-up operations. Crews are also monitoring the incident area for any remaining hot spots and addressing them as needed.
Firefighters will continue to patrol the area and work toward ensuring the incident remains secure.
Firefighters continue mop-up, patrol, and rehabilitation operations on the incident. Crews are monitoring the fire area for any signs of renewed activity, and restore resources and equipment following firefighting operations.
Fire personnel will remain in the area as needed to ensure the incident remains secure.
The 4-1 Fire is now 75% contained.
Fire personnel continue to mop up and patrol the fire area for smoke and heat. Crews are increasing the depth of containment lines and gridding the interior to locate and eliminate remaining hotspots.
Personnel will continue working to strengthen and secure the fire perimeter.
No change in acreage as the 4-1 Fire remains at 230 acres. Containment has increased to 70%.
The 4–1 Fire remains at 230 acres and is now up to 50% contained.
Fire personnel continue to increase mop-up depth and improve hose lines to further secure the fire perimeter.
The area is under a Red Flag Warning today, with strong winds expected from 8 a.m. through 11 p.m. Crews will continue to work diligently and monitor conditions throughout the day.
The 4-1 Fire is 230 acres, and 15% contained. Acreage reduced due to better mapping.
Gusty winds and low afternoon humidities are expected today, creating increased fire behavior potential. Tall grass, grass, and forest litter in the timber understory are providing available fuels. There is also a possibility of unpredictable winds and low relative humidity.
Fire personnel were able to put hand and dozer lines around the perimeter of the fire and will continue mopping up and strengthening control lines to further secure the fire perimeter.
Today crews will continue to strengthen control lines and extinguish hotspots, the 4–1 fire is now 10% contained.
Incident Commander reports hand and dozer line around the fire and forward progress has stopped.
The 4-1 fire is 5% contained.
The fire is now at 470 acres.
The fire is now 50 acres.
New incident Southwest of County Rd 68 & County Rd 50 in Modoc County - 4-1 Fire is 20 acres.
Resources Assigned
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10Personnel
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2Engines
Numerous firefighting air tankers from throughout the State are flying fire suppression missions as conditions allow.
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