Sinlahekin Fire map & updates
The Sinlahekin Fire is burning in Okanogan County, WA (1 Miles W from Tonasket, WA). Latest size 166,007 acres, 94% contained.
Sinlahekin Fire map
Shaded area: the latest mapped fire perimeter (2026-09-20). Dot: point of origin. Sources: NIFC WFIGS incident record and interagency perimeters. Official evacuation orders come from the county — this map doesn't show them.
Where is the Sinlahekin Fire?
| Nearest cities | Distance from origin |
|---|---|
| Chelan, WA | 61 mi |
| Wenatchee, WA | 93 mi |
| Marysville, WA | 123 mi |
| Ellensburg, WA | 124 mi |
| Everett, WA | 126 mi |
| Spokane, WA | 127 mi |
Straight-line distance from the point where the fire started, protecting agency: DNR.
Timeline
- Discovered — July 26, 2026
- Latest mapped perimeter — September 20, 2026
- Record last updated — October 1, 2026
Air quality and wind near the Sinlahekin Fire
Alerts for the fire area
Other large fires within 25 miles
| Fire | Acres | Year | From this fire |
|---|---|---|---|
| Eagle Bluff Fire | 16,428 | 2023 | 16 mi |
| Chickadee Creek Fire | 5,855 | 2021 | 6 mi |
| Muckamuck Fire | 13,297 | 2021 | 10 mi |
| Palmer Fire | 17,988 | 2020 | 11 mi |
| Lime Belt Fire | 107,494 | 2015 | 9 mi |
| Okanogan Complex | 145,282 | 2015 | 13 mi |
| Tunk Block Fire | 165,885 | 2015 | 16 mi |
| Tunk Block Fire | 1,000 | 2015 | 16 mi |
Wildfires of 1,000+ acres since 2014 whose origin was within 25 miles (NIFC WFIGS).
Other Washington fires in 2026
Questions
Where is the Sinlahekin Fire?
In Okanogan County, WA, 1 Miles W from Tonasket, WA. The nearest city in our list is Chelan, WA, about 61 miles from where the fire started.
How big is the Sinlahekin Fire?
166,007 acres (about 259 square miles) by the latest reported size.
Is the Sinlahekin Fire contained?
It was reported 94% contained.
What caused the Sinlahekin Fire?
The cause is recorded as undetermined. Causes often stay undetermined until the investigation closes.
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