What is the name and location of the wildfire?
As of September 6, 2026, the Big Grass Fire is active along the Oregon-Idaho border in Malheur, Oregon, and Owyhee County, Idaho. Burning near Jordan Valley, it has expanded across the state line, prompting emergency response efforts in both states.
The fire is affecting Pleasant Valley, South Mountain, and surrounding rangelands and is threatening nearby transportation routes and communities (1).
Which cities or areas are affected by the Big Grass Fire?
The cities and areas affected by the Big Grass Fire include:
- Jordan Valley, Oregon
- Murphy, Idaho
- North Fork Campground, Idaho
- Pleasant Valley, Idaho
- Reynolds Creek, Idaho
- South Mountain, Idaho
- Three Forks Road area, Idaho
What is the current containment status of the Big Grass Fire?
As of September 6, 2026, the Big Grass Fire has burned approximately 578,637 acres and is 94% contained.
Are there any evacuation orders or alerts in place?
All the evacuation orders for the Big Grass Fire have been lifted as of September 5.
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 September 6, 2026, the Big Grass Fire is 94% contained.
