"The fire’s rapid change in reported acreage within a single day highlights the dynamic nature of wildfire behavior and the importance of timely updates. Its human-caused origin underscores ongoing risks associated with human activity in wildfire-prone areas."
The NORTH FORK LMUMA wildfire, located in Kittitas County, Washington, was discovered on August 19, 2026, and is currently active. Initial reports from the National Interagency Fire Center (NIFC) on August 20 indicated the fire had burned 190 acres, but a later update the same day reported a reduction to 109 acres, suggesting containment or natural containment efforts. The cause is identified as human, and the jurisdictional agency is the United States government. No official containment percentage, personnel deployment, or cost estimates have been released, and current fire behavior data is not available.
Good air quality. Outdoor activity is generally safe near this incident.
Nearest reporting station: Ellensburg. Source: AirNow.gov (EPA).
General wildfire safety guidance applies: stay informed through local authorities, avoid outdoor activities in the fire’s vicinity, and be prepared to evacuate if instructed.
IRWIN ID: {E4BC8930-E9D8-4B05-840E-FBCCFE2B819F}
Discovered: Aug 19, 2026
Cause: Human
Managing Agency: USA
Coordinates: 46.8224, -120.3588
Other wildfires that have recently been contained or dropped from official tracking in WA.
The NORTH FORK LMUMA Fire has burned 109 acres as of August 20, 2026.
The NORTH FORK LMUMA Fire has not yet reached any official containment.
The official cause has been listed as: Human.
The NORTH FORK LMUMA Fire is burning in Kittitas, WA.
No, the NORTH FORK LMUMA Fire is no longer listed as active by NIFC.
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