Sisi Fire (WA)

Burning for eight days across the rugged terrain of Chelan County, Washington, the Sisi Fire has steadily expanded at an approximate rate of 63 acres per day, now encompassing 506 acres of closed timber litter. Located 10 miles northwest of Stehekin, the active federal fire is burning on United States Forest Service land and is being managed by a Complex Incident Management Team as a Type 2 Incident. Fire behavior is currently characterized as active, with instances of group torching and spotting. Overhead, satellites have detected 17 heat signatures over a 48-hour period, mapping the ongoing spread of the blaze.

Suppression efforts have incurred costs totaling $198,414 while achieving zero containment since the natural-cause fire started on August 14, 2026. The blaze unfolds within the region's typical fire season, which spans from June to October. Nationally, the broader context shows that 2,970,412 hectares have burned across the country so far in 2026, marking a figure that is 46% below the two-decade average.