"This incident is notable for its rapid early growth and the significant resources committed, including nearly 300 personnel at its peak, reflecting the challenges of managing a natural wildfire that expanded to 483 acres before containment."
The 0722 ROSENBAUM wildfire, located 10 miles northwest of Spray in Wheeler County, Oregon, was discovered on August 14, 2026, and is caused by natural factors. The fire rapidly expanded from 100 acres at 05:40 UTC to 230 acres by 18:40 UTC on the same day, with 5 personnel and 0% containment reported. By August 15, the blaze had intensified to extreme behavior, with 298 personnel and an estimated cost of $138,000, yet containment remained at 0%. The fire grew to 483 acres by August 17, reaching 16% containment and costing $1,330,260. Subsequent daily updates show steady containment gains—38% on August 18, 54% on August 19, 72% on August 20, and 89% on August 21—while personnel numbers fluctuated from 121 to 5. The incident was fully contained at 100% on August 31, with a final estimated cost of $4,299,030.
Official source description: 10 Miles NW from Spray, OR
Minimal; Smoldering; Creeping
Good air quality. Outdoor activity is generally safe near this incident.
Nearest reporting station: Prineville. Source: AirNow.gov (EPA).
The fire is now fully contained and behavior is minimal; standard wildfire safety precautions remain advised, but no immediate evacuation or fire restrictions are necessary.
IRWIN ID: {2059A645-6D4B-4EF9-8D1A-8EA49732A456}
Discovered: Aug 14, 2026
Cause: Natural
Est. Cost to Date: $4,299,030
Coordinates: 44.8401, -120.0398
Other wildfires that have recently been contained or dropped from official tracking in OR.
The 0722 ROSENBAUM Fire has burned 483 acres as of August 31, 2026.
Yes, the 0722 ROSENBAUM Fire is fully contained (100%).
The official cause has been listed as: Natural.
The 0722 ROSENBAUM Fire is burning in Wheeler, OR.
No, the 0722 ROSENBAUM Fire is no longer listed as active by NIFC.
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