Thunder Creek Fire (Washington)

Burning through timber litter and understory on federal land managed by the National Park Service, the active Thunder Creek Fire in Skagit County, Washington, has steadily expanded over 19 days of activity. Located 13 miles southeast from Newhalem near Marblemount, the incident has grown at an approximate rate of 38 acres per day, reaching 715 acres with zero percent containment. The fire behavior is currently characterized as minimal, creeping, backing, and smoldering.

This incident is being managed as a Type 4 Incident under a Type 4 Incident Commander, with total costs mounting to $150,000. The broader wildfire landscape in the country shows 3,201,049 hectares burned so far in 2026, which sits 42 percent below the two-decade average. This activity occurs within the region's typical fire season, which runs from June to October.