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Officials: Aqua Butte fire showing extreme behavior, containment low

State wildfire briefing (Sisters, OR) · July 17, 2026
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Summary

Officials reported the Aqua Butte fire had reached about 27,000 acres with containment around 5%, described 200‑foot flame lengths and a pyrocumulus cloud, and warned wind could worsen conditions.

State and operations officials described extreme fire behavior at the Aqua Butte incident, noting very active flames, dynamic runs and weather conditions that may increase spread.

"That now stands at 27,000 acres. Containment is around 5%," the agency official said, adding that crews have witnessed 200‑foot flame lengths and pyrocumulus activity that has even produced its own lightning. Officials stressed wind in coming days as the greatest short‑term concern for fire spread.

Steve Chapman, from Oregon's fire operations, pointed to specific roads and neighborhoods (Wilt Road, Indian Ford Road, Stevens Canyon Road) where structures are exposed and described the strategy of holding and strengthening lines ahead of predicted winds. Local leaders emphasized the need for residents to follow evacuation guidance and for firefighters to have space to operate.