The Hwy 1806 wildfire, located 1 mile north of Fort Yates in Sioux County, North Dakota, was discovered on August 23, 2026. By August 27, the fire had burned 350 acres and was 90% contained, with 8 personnel on the scene and an estimated cost of $15,000. The next day, containment remained at 90% while personnel increased to 13 and the cost estimate rose to $20,000. On September 3, the fire was fully contained at 100% with only 2 personnel remaining, and the final cost estimate reached $35,000. The fire is classified as human-caused and is managed by the Bureau of Indian Affairs. The incident shows a rapid containment within a few days, with no further growth after the initial 350 acres, indicating effective suppression efforts. The fire’s quick containment and limited spread highlight the importance of early detection and rapid response in preventing larger wildfires. Preparedness advice: With the fire now fully contained and behavior minimal, standard wildfire safety precautions apply. Stay informed of local advisories and avoid unnecessary travel to the area.
Official source description: 1 Miles N from Fort Yates, ND
Minimal
Good air quality. Outdoor activity is generally safe near this incident.
Nearest reporting station: Bismarck. Source: AirNow.gov (EPA).
IRWIN ID: {1FC30521-5C16-467D-93C1-8DF133EE6DE1}
Discovered: Aug 23, 2026
Cause: Human
Managing Agency: BIA
Est. Cost to Date: $35,000
Coordinates: 46.1128, -100.6764
Other wildfires that have recently been contained or dropped from official tracking in ND.
The Hwy 1806 Fire has burned 350 acres as of September 3, 2026.
Yes, the Hwy 1806 Fire is fully contained (100%).
The official cause has been listed as: Human.
The Hwy 1806 Fire is burning in Sioux, ND.
No, the Hwy 1806 Fire is no longer listed as active by NIFC.
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