"This fire is notable due to its containment status, with 100% of the fire contained, and the resources committed, with an estimated cost of $0."
The SR - Buffalo wildfire is located in Sheridan County, Wyoming, approximately 32 miles east of Sheridan. The fire is estimated to be 1200 acres in size and is 100% contained. The fire's cause is currently undetermined. The fire behavior has been minimal, with no spotting or running reported initially, but later updated to include these behaviors. The fire was discovered on July 26, 2026, and the jurisdictional agency is currently unknown.
Official source description: 32 Miles E from Sheridan, WY
Minimal; Running; Spotting
Good air quality. Outdoor activity is generally safe near this incident.
Nearest reporting station: Sheridan. Source: AirNow.gov (EPA).
General wildfire safety guidance applies, as the fire is currently 100% contained and minimal in behavior.
IRWIN ID: {85732E71-7502-4680-8FD5-93AF9BB764C8}
Discovered: Jul 26, 2026
Cause: Undetermined
Coordinates: 44.7927, -106.3202
Other wildfires that have recently been contained or dropped from official tracking in WY.
The SR - Buffalo Fire has burned 1,200 acres as of August 7, 2026.
Yes, the SR - Buffalo Fire is fully contained (100%).
The official cause has been listed as: Undetermined.
The SR - Buffalo Fire is burning in Sheridan, WY.
No, the SR - Buffalo Fire is no longer listed as active by NIFC.
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