SISTERS, Ore. (September 1, 2025) — The Flat Fire, approximately two miles northeast of Sisters, Oregon, is estimated at 23,346 acres and is 52% contained. Despite critical fire weather, established fire lines have remained secure and suppression repair objectives continue across the incident. The Red Flag Warning is no longer in effect due to a lower chance of strong gusty winds. Hot, dry conditions persist.
Today, firefighters will focus on restoring areas impacted by fire response efforts, such as repairing dozer lines and reducing erosion risks. These initiatives strengthen containment and protect the landscape to support long-term recovery. With a unified mission across the fire line, crews continue to make steady progress, bringing the incident closer to full suppression.
Oregon State Fire Marshal (OSFM) resources have demobilized from the Flat Fire. Cooperative firefighting efforts from structural, wildland, and air resources protected homes through extreme fire activity and critical weather conditions. 17 OSFM task forces and strike teams, made up of 261 firefighters from all over Oregon, responded to help local agencies protect the community. Their efforts, in conjunction with the progress by wildland firefighters, have helped mitigate the risk to structures and allowed residents to safely return to their homes.
Wildland resources remain on the fire, continuing mop-up and are available to assist local resources if needed. OSFM is available to return if an imminent threat to structures exceeds capabilities of existing resources. OSFM would like to extend their appreciation to the local communities and agencies for their incredible support and cooperation throughout this challenging time.
“We are thankful for all the hard work firefighters have put in and hope everyone has a safe Labor Day,” says Eric Perkins, Deputy Incident Commander for Oregon Department of Forestry CIMT Team 3.
Firefighter Safety: We ask everyone to remain mindful that fire crews are still working in the area. Please drive carefully, watch for firefighting equipment on the roads, and allow crews space to do their jobs safely.
Wildfire Prevention: If your weekend plans take you outside, please be aware of the fire risks and recreate safely. Hot temperatures and low humidity persist in the area, increasing fire risk and contributing to potential fire growth; help prevent the next wildfire by following all local regulations:
Oregon Dept. of Forestry: https://gisapps.odf.oregon.gov/firerestrictions/PFR.html
Deschutes National Forest: https://www.fs.usda.gov/…/info/public-use-restrictions
Ochoco National Forest and Crooked River National Grasslands: https://www.fs.usda.gov/r06/ochoco/alerts
Oregon/Washington BLM: https://www.blm.gov/orwafire
Evacuations: Evacuations are managed by the Deschutes and Jefferson County Sheriff’s Offices.
Level 1 and 2 evacuations remain in effect under the direction of the Deschutes County Sheriff’s Office and the Jefferson County Sheriff’s Office. Follow their Facebook pages for the latest information and updates. They can also be reached by phone: Deschutes County Sheriff’s Office at (541) 388-6655, and Jefferson County Sheriff’s Office (541) 475-6520.
Local Area closures: To help fire operations and firefighter safety, the Bureau of Land Management and U.S. Forest Service ask that people stay out of the fire area.
The Prineville BLM reduced the emergency closure on public lands around the fire. Steamboat Rock and Buckhorn OHV areas, as well as trails around Crooked River Ranch like Steelhead Falls, are open again.
Remaining closures can be found under the Prineville tab on the following page:
The U.S. Forest Service removed closures on the Deschutes National Forest.
As a reminder, drone use near fires is both illegal and extremely dangerous to pilots working on incidents. If you fly, we can’t. FAA Temporary Flight Restrictions are in place for the fire area. All illegal drone use will be reported to law enforcement.
Smoke Report: The current smoke outlook for Central Oregon can be found on the following page: https://outlooks.wildlandfiresmoke.net/outlook/6436a95d