"This incident is notable for its rapid growth to over 5,800 acres within a week, the high level of resources committed (up to 830 personnel), and the significant estimated cost exceeding $13 million, reflecting the substantial impact on the local community and emergency services."
The AUTUMN LANE wildfire, located 7 miles northwest of Spokane, Washington in Spokane County, was discovered on August 1, 2026. By August 6, it had burned 5,870 acres and was 13% contained, with 478 personnel on the scene. The fire grew slightly to 5,810 acres the next day but containment jumped to 37% as 830 personnel worked the blaze, which was described as extreme with flanking, backing, and smoldering behavior. Over the following days the acreage stabilized around 5,764 acres while containment steadily increased—47% on August 8, 61% on August 9, 73% on August 10, 89% on August 11, and 97% by August 13—while personnel numbers fluctuated from 745 to 283. By August 19 the fire was 99% contained and on August 20 it reached 100% containment with minimal smoldering activity, and the estimated cost had risen to $13,071,735.
Official source description: 7 Miles NW from Spokane, WA
Minimal; Smoldering
Good air quality. Outdoor activity is generally safe near this incident.
Nearest reporting station: Spokane. Source: AirNow.gov (EPA).
The fire is now fully contained and only minimal smoldering remains; general wildfire safety guidance applies, but residents should remain aware of potential for small flare-ups and follow any local advisories.
IRWIN ID: {31B18BDA-34D0-4DB5-A865-AE2AC65776BE}
Discovered: Aug 1, 2026
Cause: Human
Est. Cost to Date: $13,071,735
Coordinates: 47.7945, -117.6128
Other wildfires that have recently been contained or dropped from official tracking in WA.
The AUTUMN LANE Fire has burned 5,764 acres as of August 20, 2026.
Yes, the AUTUMN LANE Fire is fully contained (100%).
The official cause has been listed as: Human.
The AUTUMN LANE Fire is burning in Spokane, WA.
No, the AUTUMN LANE Fire is no longer listed as active by NIFC.
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