What is the name and location of the wildfire?
As of September 18, 2026, the Floriston Fire is burning near Interstate 80 and Floriston Way, approximately nine miles northeast of Truckee, California.
The fire is located in the Truckee River Canyon near the California-Nevada state line and is threatening the Interstate 80 corridor, the Truckee River watershed, and nearby natural resources (1).
Which cities or areas are affected by the Floriston Fire?
The cities and areas affected by the Floriston Fire include:
- Boca Reservoir
- Floriston
-
Mogul
-
Reno
- Sierra County
- Truckee, California
- Verdi, California
- Washoe County
Smoke from the Floriston Fire has drifted east toward Verdi, Mogul, Reno, and the North Valleys. The resulting haze has affected air quality across parts of the greater Reno region (2).
What is the current containment status of the Floriston Fire?
As of September 18, 2026, the Floriston Fire has burned 640 acres and is 8% contained. Firefighters are strengthening containment lines in steep and rugged terrain while prioritizing the northern side of the fire (3).
Are there any evacuation orders or alerts in place?
An evacuation order is in effect for Nevada County zone NCO-E379-A. Evacuation warnings remain in effect for Nevada County zones NCO-E105, NCO-E106, and NCO-E379-B, as well as Sierra County zones SIE-E099 and SIE-E100-B (4).
Be Ready to Evacuate notices remain in effect for parts of Washoe County. Residents should consult the official evacuation maps for current boundaries and follow instructions from local authorities.
Travelers should check the latest Interstate 80 conditions before traveling through the area, as closures may be adjusted in response to fire activity and roadway hazards.
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.
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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 September 18, 2026, this fire is 8% contained.
