Keystone Fire

Rio Blanco County · Started Jul 21, 2026 at 11:22 AM

3,042acres

100%contained

42personnel

Naturalcause

Jul 21discovered

Mapped perimeter as of Jul 24 from the National Interagency Fire Center

About this incident

Team Colorado returns the fire to the local unit at 7:00 p.m. on Monday, July 27, 2026. This page will be updated only if conditions warrant.

The Keystone Fire was ignited by lightning in the 2018 burn scar of the Indian Valley Fire on July 21, 2026. Local, state and federal ground and aerial firefighting resources responded and worked together to put retardant and water on the fire as quickly as possible. By evening, the Northwest Colorado Fire Management Unit placed an order for a Type 3 Incident Management Team, and Team Colorado assumed command of the fire at 6:00 a.m. July 23. There are currently no human lives or structures threatened.

Updates

9 · newest first

Jul 28, 2026, 5:05 PM
Keystone Fire declared out
Fire managers report this fire as out. Final mapped size 3,042 acres.
Jul 28, 2026, 5:05 PM
Containment on the Keystone Fire reaches 100 percent
Containment improved from 95 to 100 percent. 3,042 acres, 100 percent contained, 42 personnel assigned.
Jul 28, 2026, 12:15 AM
Update for wildfire: Keystone Fire
Updated information for this wildfire:
Team Colorado returns the fire to the local unit at 7:00 p.m. on Monday, July 27, 2026. This page will be updated only if conditions warrant.
The Keystone Fire was ignited by lightning in the 2018 burn scar of the Indian Valley Fire on July 21, 2026. Local, state and federal ground and aerial firefighting resources responded and worked together to put retardant and water on the fire as quickly as possible. By evening, the Northwest Colorado Fire Management Unit placed an order for a Type 3 Incident Management Team, and Team Colorado assumed command of the fire at 6:00 a.m. July 23. There are currently no human lives or structures threatened.
Jul 27, 2026, 9:15 AM
Update for wildfire: Keystone Fire
Updated information for this wildfire:
Team Colorado returns the fire to the local at 7:00 p.m. on Monday, July 27, 2026. This page will be updated only if conditions warrant.
The Keystone Fire was ignited by lightning in the 2018 burn scar of the Indian Valley Fire on July 21, 2026. Local, state and federal ground and aerial firefighting resources responded and worked together to put retardant and water on the fire as quickly as possible. By evening, the Northwest Colorado Fire Management Unit placed an order for a Type 3 Incident Management Team, and Team Colorado assumed command of the fire at 6:00 a.m. July 23. There are currently no human lives or structures threatened.
Jul 25, 2026, 6:05 PM
Containment on the Keystone Fire reaches 91 percent
Containment improved from 69 to 91 percent. 3,042 acres, 91 percent contained, 200 personnel assigned.
Jul 24, 2026, 7:05 PM
Containment on the Keystone Fire reaches 69 percent
Containment improved from 2 to 69 percent. 3,042 acres, 69 percent contained, 222 personnel assigned.
Jul 23, 2026, 6:15 PM
Update for wildfire: Keystone Fire
Updated information for this wildfire:
The Keystone Fire was ignited by lightning in the 2018 burn scar of the Indian Valley Fire on July 21, 2026. Local, state and federal ground and aerial firefighting resources responded and worked together to put retardant and water on the fire as quickly as possible. By evening, the Northwest Colorado Fire Management Unit placed an order for a Type 3 Incident Management Team, and Team Colorado assumed command of the fire at 6:00 a.m. July 23. There are currently no human lives or structures threatened.
Jul 22, 2026, 3:06 PM
Keystone Fire grows to 3,024 acres
Mapped size increased from 1,000 to 3,024 acres. 3,024 acres.
Jul 21, 2026, 8:05 PM
Keystone Fire grows to 1,000 acres
Mapped size increased from 25 to 1,000 acres. 1,000 acres.

Size, containment, and perimeter come from the National Interagency Fire Center. Narrative comes from InciWeb. For life-threatening emergencies call 911.