"The fire’s rapid expansion—from 25 acres to 145 acres in just over a week—highlights a significant growth rate for a natural wildfire, warranting attention from local fire management and emergency services."
The SW3 wildfire, located in Las Animas County, Colorado, was first discovered on September 2, 2026, at 18:16:49. By the latest update on September 11, 2026, the fire had expanded to 145 acres. The incident is classified as natural in origin and is managed by the jurisdictional agency listed as null in the data. Over the course of nine days, the fire grew from 25 acres to 145 acres, with no containment reported in the available updates. Current fire behavior is not specified, but the continued acreage growth indicates an active fire that has not yet been contained.
Good air quality. Outdoor activity is generally safe near this incident.
Nearest reporting station: Taos. Source: AirNow.gov (EPA).
General wildfire safety guidance applies: stay informed through local authorities, avoid the fire’s vicinity, and be prepared to evacuate if conditions worsen.
IRWIN ID: {F013C799-9301-4ECB-842D-52E46C3C5DF9}
Discovered: Sep 2, 2026
Cause: Natural
Coordinates: 37.0002, -104.4092
Other wildfires that have recently been contained or dropped from official tracking in CO.
The SW3 Fire has burned 145 acres as of September 11, 2026.
The SW3 Fire has not yet reached any official containment.
The official cause has been listed as: Natural.
The SW3 Fire is burning in Las Animas, CO.
Yes, as of the latest official update, the SW3 Fire remains active.
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