"This fire is notable due to its size and the resources committed, with an estimated cost of $1,100,000."
The Lumin wildfire is located in Sheridan County, Wyoming, approximately 44.8235° N, 106.4085° W. The fire is estimated to be 7,285 acres in size and is 100% contained. The cause of the fire is undetermined. The fire behavior is currently minimal, with no reported evacuation summary. The fire was first reported on July 31, 2026, at 19:10:00, and the situation has remained stable with no growth in size. The jurisdictional agency is currently unknown.
Official source description: 22 Miles E from Sheridan, WY
Minimal; Running; Flanking
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 behavior is currently minimal.
IRWIN ID: {956240D7-5C2B-476E-B0C7-A1EF1BAD6BFA}
Discovered: Jul 31, 2026
Cause: Natural
Est. Cost to Date: $1,100,000
Coordinates: 44.8235, -106.4085
Other wildfires that have recently been contained or dropped from official tracking in WY.
The Lumin Fire has burned 7,285 acres as of August 7, 2026.
Yes, the Lumin Fire is fully contained (100%).
The official cause has been listed as: Natural.
The Lumin Fire is burning in Sheridan, WY.
No, the Lumin Fire is no longer listed as active by NIFC.
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