What is the name and location of the wildfire?
As of July 23, 2026, the Biscar Fire is burning in Lassen County, California, and has spread into Washoe County, Nevada. It started in Lassen County on July 18, 2026, before rapidly expanding eastward across Highway 395 and crossing the California-Nevada state line.
The wildfire is burning in northeastern California near the border with western Nevada, impacting communities on both sides of the state line (1).
Which cities or areas are affected by the Biscar Fire?
The cities and areas affected by the Biscar Fire include:
- Diaz Road
- Highway 395 corridor
- Lassen County, California
- Ravendale, California
- Washoe County, Nevada
What is the current containment status of the Biscar Fire?
As of July 23, 2026, the Biscar Fire has burned approximately 69,344.1 acres and is 42% contained.
Firefighters continue working to slow the fire's spread using ground crews, engines, dozers, and aerial firefighting resources. Containment efforts remain challenging as weather conditions, including warm temperatures, strong winds, and the potential for thunderstorms with lightning, continue to influence fire behavior.
Are there any evacuation orders or alerts in place?
Evacuation orders and warnings remain in effect for portions of Lassen County, California, and Washoe County, Nevada.
In Lassen County, evacuation orders remain active for Zone LAS-553, while evacuation warnings are in effect for Zones LAS-551-A, LAS-551-B, LAS-551-C, LAS-543, LAS-545, and LAS-555.
Washoe County has active evacuation orders and evacuation warnings for areas identified on the county's Perimeter Evacuation Map. Residents are advised to remain prepared to leave immediately if conditions worsen and to follow instructions from local emergency management officials.
Protect yourself from wildfire smoke
See how a wildfire smoke air purifier can help clean your air.
How can I protect myself from wildfire smoke?
Always plan ahead to protect yourself from wildfire smoke.
- Get a free air quality app for real-time air quality alerts and forecasts.
- Shut doors and windows and set the HVAC to recirculate mode.
- Run a high-performance air purifier to filter wildfire smoke.
- Contribute to your community’s outdoor air quality data.
- Stay indoors; if you do need to go outdoors, wear a KN95/FFP2 mask.
As of July 23, 2026, this fire is 42% contained.
