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Black Butte Fire

Unit Information

Malheur National Forest
U.S. Forest Service
431 Patterson Bridge Rd
John Day, OR 97845

USFS Shield

This incident is no longer being updated.

The Black Butte Fire is located 24.9 miles south of Unity, OR.  The fire started on 08/03/2021 following a lightning storm.      

September 30, 2021 Update: Firefighters have made significant progress on the Black Butte Fire and it is now 100% contained. 

Basic Information

Current as of
Incident TypeWildfire
Date of OriginTuesday August 03rd, 2021 approx. 10:00 AM
Location24.9 miles South of Unity, Oregon
Incident DescriptionWildfire in the North Fork of Little Malheur River Drainage
Coordinates44.093 latitude, -118.326 longitude

Current Situation

Size22,445 Acres
Percent of Perimeter Contained100%
Fuels Involved

Timber (Grass and Understory)

Timber (Litter and Understory)

Light Logging Slash

Primary carrier of the fire is larger diameter stump holes smoldering. Concentrations of heavy dead and down are scattered

across the fire area and are

currently burning themselves


Unburned islands, in pockets of continuous ladder fuels, continue to back, creep and smolder.

Significant Events

Minimal Smoldering


Planned Actions

Northeast and East flank will continue with mop-up, back haul of supplies, patrol, suppression repair.

B,G,U divisions have been combined. SE flank will use lookouts to check lines due to the rugged nature of the area. P, K divisions have been combined. SW flank continues to mop-up, patrol, and suppression

repair. West side of fire will continue to mop-up, patrol, and suppression repair. NW flank continues to mop-up, patrol, and suppression repair.

Projected Incident Activity

12 hours: Smoldering fire behavior is expected along the fire perimeter as mop up and securing the edge


24 hours: Mop up continues to increase containment.

48 hours: Repair and rehab containment lines.

72 hours: Repair and rehab containment lines.


Total acres 22,445. USFS = 20,760 acres = 92%; BLM = 1,130 acres = 6%; ODF = 555 acres = 2%.

8/24/2021 @ 0720. Acres increase primarily due to interior islands consuming and perimeter line change to improve accuracy, no perimeter growth due to fire spread.

Current Weather

Weather Concerns

Expecting cooler temps, no weather concerns at this time.