Washington state is enduring one of its most punishing wildfire seasons on record. As of September 1, 2026, 14 large fires are actively burning across the state β tied with Idaho for the most of any state in the nation. Governor Bob Ferguson declared a statewide wildfire emergency on August 1 and simultaneously issued a statewide burn ban through at least September 30, citing drought conditions, abnormally high temperatures, and high winds driving record-setting fire activity.
Sinlahekin Fire: 166,000 Acres in Okanogan County
The Sinlahekin Fire in Okanogan County has burned approximately 166,413 acres and is 40% contained as of the latest reports. The fire is burning in and around the Sinlahekin Wildlife Area, a critical habitat corridor in north-central Washington. Evacuation warnings remain in effect for Tonasket and nearby communities, with Level 2 notices urging residents to be ready to leave on short notice.
The Sinlahekin Valley's unique combination of ponderosa pine, shrub-steppe, and riparian habitat makes the fire particularly significant from a conservation standpoint, in addition to the threat it poses to rural homes and ranches.
Ptarmigan Fire Active in Okanogan County
The Ptarmigan Fire is also burning in Okanogan County, adding to the pressure on firefighting resources in Washington's most fire-prone region. Okanogan County has been ground zero for Washington's worst fire seasons in recent memory, including the devastating Carlton Complex of 2014 and the Okanogan Complex of 2015.
Statewide Burn Ban and Emergency Measures
The Washington State Department of Ecology has confirmed that an emergency burn ban is in effect statewide through noon on September 30, 2026. The ban prohibits all outdoor burning, including recreational fires, agricultural burning, and debris burning. Violations can result in significant fines.
The Washington Department of Natural Resources (WA DNR) continues to coordinate multi-agency response across the state, working alongside the U.S. Forest Service, Bureau of Land Management, and local fire districts.
Smoke Drifting Across the Region
Wildfire smoke from Washington's active fires has generated moderate-to-heavy density smoke plumes that have been drifting generally eastward, impacting communities in eastern Washington, northern Idaho, and into Montana. The Statesman Journal reports that satellite imagery shows multiple distinct plume sources across Washington merging into a broad smoke field over the Inland Northwest.
Resources and Mutual Aid
Washington has requested and received significant out-of-state mutual aid, including hotshot crews, Type 1 helicopters, and additional engine resources from Oregon, California, and other western states. The state is also utilizing National Guard assets for logistics and evacuation support in the hardest-hit counties.
Residents can track fire locations and evacuation zones through the WA DNR Wildfire Portal and sign up for Everbridge emergency notifications through their county website.