Lumin Fire
The Lumin Fire was reported on July 31, 2026 in Sheridan County, Wyoming and burned 7,285 acres. It is 100 percent contained. The cause is listed as natural.
- Size
- 7,285 acres
- Contained
- 100%
- Discovered
- July 31, 2026
- Personnel
- 4
Map
Perimeter mapped August 8, 2026 at 1:07 PM MDT, 7,285 acres (mixed methods). Point of origin 44.824, -106.409.
The incident
- Size
- 7,285 acres
- Containment
- 100%
- Discovered
- July 31, 2026 at 1:10 PM MDT
- Cause
- Natural
- Location
- 22 Miles E from Sheridan, WY
- County
- Sheridan County
- State
- Wyoming
- Nearest city reported
- Sheridan
- Protecting agency
- C&L
- Land ownership at origin
- Private
- Personnel assigned
- 4
- Incident management
- Type 3 Team, Type 3 Incident
- Primary fuel
- Short Grass (1 foot)
- Estimated cost to date
- $1,100,000
- Incident type
- Wildfire
- Unique fire identifier
- 2026-WYSHX-000363
- IRWIN identifier
- 956240D7-5C2B-476E-B0C7-A1EF1BAD6BFA
Growth
Mapped area at the last perimeter of each day, from August 1, 2026 (7,222 acres) to August 8, 2026 (7,285 acres). The largest one-day growth was 46 acres, mapped August 2, 2026.
| Day | Acres | Change |
|---|---|---|
| August 1, 2026 | 7,222 | |
| August 2, 2026 | 7,267 | +45 |
| August 8, 2026 | 7,285 | +18 |
Weather in the area
This fire is no longer listed as current. The forecast for Sheridan, WY covers the area today.
Nearby
- Sheridan, WY27 miles west of the fire’s origin
- Buffalo, WY36 miles southwest of the fire’s origin
- Lame Deer, MT57 miles north of the fire’s origin
- Gillette, WY58 miles southeast of the fire’s origin
- Antelope Valley-Crestview, WY62 miles southeast of the fire’s origin
- Sleepy Hollow, WY63 miles southeast of the fire’s origin
Wyoming wildfires today Wildfires of 2026 All current fires
Incident record from the National Interagency Fire Center’s Wildland Fire Interagency Geospatial Services (WFIGS), as the incident’s managers report it; last updated August 25, 2026 at 7:57 AM MDT. Identifier 2026-WYSHX-000363.