MOORE

Fire Start, Size and Growth

Start Date/Time/Location: The Moore Fire ignited around 3:28 p.m. on Saturday, May 23, 2026, off South Swan Falls Road, south of Kuna and southeast of Melba in Ada County, Idaho.
Size and Containment: As of May 30, 2026, the fire has burned 1,399 acres (initially estimated at 1,500 acres) and is 100% contained.
Fuels, Growth and Rate of Spread: Fueled primarily by short grass and brush (1-foot tall), the fire spread rapidly upon ignition, growing to nearly 1,400 acres within a few hours. Fire behavior was later described as minimal, flanking, and backing once forward progress was halted.
Containment Efforts: The Bureau of Land Management (BLM) Boise District led the response alongside the Ada County Sheriff's Office, Idaho State Police, and Idaho Power. Initial resources included two overhead personnel, four fire engines, two dozers, two fire investigators, and one water tender. Forward progress was stopped on the evening of May 23, and the fire was officially contained at 10:27 p.m. that night. Over the last 72 hours, crews have completed final mop-up operations, and the incident is now fully inactive. The estimated cost of the response was $60,000.

Emergency Information

Evacuations and Sheltering:
Mandatory Evacuation Orders: There are currently no mandatory evacuation orders in place.
Evacuation Warnings: There are no active evacuation warnings. During the initial incident, individuals recreating in the Swan Falls area were advised to leave the immediate vicinity, but the area was quickly deemed safe.
Evacuation Shelters and Information: No evacuation shelters were required, and an estimated 0 people were displaced.

Road and Infrastructure Closures:

• There are currently no active road closures. Swan Falls Road (between West Victory Lane and Dedication Point) was temporarily closed during the initial response but was reopened by 8:00 p.m. on May 23.
• No schools or critical infrastructure facilities were closed.

For more information, visit:

• Ada County Sheriff's Office
• Bureau of Land Management - Idaho
• Idaho Fire Info

Current Impact

Impacts:
Injuries and Fatalities: There have been no reported injuries or fatalities associated with the Moore Fire.
Structures Impacted: No structures were damaged or destroyed.
School and Business Closures: No schools or businesses were impacted or closed due to this fire.
Notable Impacts: The fire temporarily impacted recreation access in the Swan Falls area, but normal activities have since resumed.

Safety Concerns:
Power Outages: Idaho Power responded to the scene initially to ensure infrastructure safety, but no power outages were reported.
Water Safety: No water safety concerns have been reported.
Burn Bans: Residents should consult local Ada County authorities for seasonal burn bans or fire restrictions, as dry conditions persist in the region.
Air Quality: Smoke impacts were localized to the immediate vicinity of Swan Falls Road during the initial burn. Over the last 72 hours, air quality has returned to normal with no ongoing health risks.

Ongoing Outlook

Containment Projections: The fire is 100% contained, and all mop-up operations have concluded. No further spread or fire activity is projected.
Weather and Wind Warnings: While the Memorial Day weekend brought elevated fire risks and unsettled conditions, there are currently no active Red Flag Warnings for the immediate area. However, dry fuels remain a persistent concern for the region moving into the summer months.

Cause and the Role of Weather and Climate

Cause: The Idaho Department of Lands has ruled the Moore Fire as human-caused. Two fire investigators were assigned to the incident, and the specific details of the ignition remain under investigation.
Weather and Climate: The rapid initial spread of the fire was driven by dry, short grass fuels and breezy conditions. The quick growth of the Moore Fire highlights how dry regional vegetation and seasonal weather patterns can facilitate fast-moving brush fires in the high desert environment of Ada County.

For more information, visit:

• Bureau of Land Management - Idaho Fire Info
• Ada County Sheriff's Office Updates
• Idaho Fire Info