Feed checks and source-record updates do not necessarily mean fire conditions changed. Figures below reflect the last recorded incident report.
The last recorded incident change is more than 14 days old or undated. Historical fire behavior and summaries below are not confirmation of current conditions.
Automated summary generated: Oct 10, 2026 15:08 UTC. It may lag behind the report and is not an official alert.
The Twin Sisters wildfire, located in Judith Basin County, Montana, was discovered on July 25, 2026, and is caused by natural factors. As of the latest report from the National Interagency Fire Center on August 20, 2026, the fire has burned 92 acres and is 100% contained, with 69 personnel assigned. The United States Forest Service is the jurisdictional agency overseeing the incident. Fire behavior is described as minimal and creeping, indicating a low level of activity. Over the course of the timeline, the fire grew to 92 acres before being fully contained, with no further updates indicating additional spread or changes in containment.
Official source description: 12 Miles NW from Judith Gap, MT
Minimal; Creeping
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NIFC fire information and official resources βIRWIN ID: {BD729423-8D4D-4FA3-BB9A-B738F6C71B88}
Discovered: Jul 25, 2026
Cause: Natural
Managing Agency: USFS
Est. Cost to Date: $1,546,354
Coordinates: 46.7454, -109.9465
Other wildfires no longer present in our filtered incident feed in MT.
The Twin Sisters Fire has burned 92 acres as of August 20, 2026.
Yes, the Twin Sisters Fire is fully contained (100%).
The official cause has been listed as: Natural.
The Twin Sisters Fire is burning in Judith Basin, MT.
The Twin Sisters Fire is no longer in our filtered incident feed. This alone does not confirm extinguishment.
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