Formidable Fire
Active
Skagit County, Washington · Discovered August 26, 2026
Source: NIFC/IRWIN (interagency) · Last upstream update 8 hours ago
Formidable Fire
The Formidable Fire fire has burned 0.8 acres in Skagit County, Washington. Officials have not reported a containment figure yet. Air quality near the fire is good (AQI 24).
Latest official update
August 23, 2026The Sisi Fire is located in the Okanogan-Wenatchee National Forest, within a remote, steep, and rugged mountainous landscape. The surrounding area consists of forested slopes, drainages, and variable terrain near the communities of Lucerne, Holden Village, and Stehekin. The fire is burning in a mosaic of timber, timber understory, brush, and partially cured grasses, with abundant snags and heavy dead and down fuels. Fire behavior remains active, including backing, flanking, uphill and up-drainage runs, group tree torching, and spotting. The greatest potential for growth remains along the…
Read the full update on InciWebPosted by the incident management team on InciWeb (inciweb.wildfire.gov).
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Growth & containment history
| Recorded | Size | Contained |
|---|---|---|
| 8/26/2026, 3:55:30 AM | 0.8 acres | - |
| 8/26/2026, 3:20:08 AM | 0.1 acres | - |
History recorded by Fire Nearby each time upstream size or containment changes.
About this data
Fire Nearby aggregates official incident data and shows exactly when each value was last updated. For evacuation decisions, always follow instructions from local emergency officials and check county emergency management channels.