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: Nov 5, 2026 22:25 UTC. It may lag behind the report and is not an official alert.
The Willow wildfire in Lake County, Colorado, was first discovered on 2026-06-28 and reported by the US Forest Service on 2026-11-05. The National Interagency Fire Center (NIFC) reported a peak size of 7,534 acres on 2026-08-08, with containment at 67β―%. By 2026-09-12 the acreage had decreased to 7,389 acres and containment increased to 80β―%. The fire remained minimal in behavior throughout the period, with personnel ranging from 2 to 24. The final NIFC update on 2026-10-15 recorded 7,359 acres and 92β―% containment.
Official source description: 6 Miles W from Leadville, CO
Minimal; Smoldering; Creeping
Historical observations from incident reports, not a live forecast. Acreage and containment can decrease when agencies correct their estimates.
21
7,196 acres
7,359 acres
Latest available source report: Oct 15, 2026 16:36 UTC. This is the report date, not confirmation of current fire conditions.
Reported acreage increased by 163 acres between the first and last available acreage measurements. Recorded containment rose by 25.0 percentage points, from 67.0% (Aug 6, 2026) to 92.0% (Oct 15, 2026), using the first and last reports with a known containment value.
| Report date (UTC) | Acres | Containment | Source |
|---|---|---|---|
| Aug 6, 2026 20:32 | 7,196 | 67.0% | NIFC |
| Aug 7, 2026 22:40 | 7,533 | 67.0% | NIFC |
| Aug 8, 2026 23:40 | 7,534 | 67.0% | NIFC |
| Aug 18, 2026 23:40 | 7,534 | 80.0% | NIFC |
| Sep 11, 2026 23:00 | 7,390 | 80.0% | NIFC |
| Sep 12, 2026 23:40 | 7,389 | 80.0% | NIFC |
| Sep 28, 2026 21:40 | 7,359 | 80.0% | NIFC |
| Oct 13, 2026 21:05 | 7,359 | 92.0% | NIFC |
| Report date (UTC) | Acres | Containment | Source |
|---|---|---|---|
| Aug 6, 2026 20:32 | 7,196 | 67.0% | NIFC |
| Aug 7, 2026 07:13 | 7,196 | 67.0% | NIFC |
| Aug 7, 2026 22:40 | 7,533 | 67.0% | NIFC |
| Aug 8, 2026 23:40 | 7,534 | 67.0% | NIFC |
| Aug 13, 2026 23:40 | 7,534 | 67.0% | NIFC |
| Aug 17, 2026 16:40 | 7,534 | 67.0% | NIFC |
| Aug 17, 2026 23:00 | 7,534 | 67.0% | NIFC |
| Aug 18, 2026 23:40 | 7,534 | 80.0% | NIFC |
| Aug 22, 2026 23:20 | 7,534 | 80.0% | NIFC |
| Aug 29, 2026 21:40 | 7,534 | 80.0% | NIFC |
| Sep 2, 2026 23:40 | 7,534 | 80.0% | NIFC |
| Sep 11, 2026 00:00 | 7,534 | 80.0% | NIFC |
| Sep 11, 2026 23:00 | 7,390 | 80.0% | NIFC |
| Sep 12, 2026 23:40 | 7,389 | 80.0% | NIFC |
| Sep 16, 2026 00:20 | 7,389 | 80.0% | NIFC |
| Sep 23, 2026 23:40 | 7,389 | 80.0% | NIFC |
| Sep 26, 2026 20:20 | 7,389 | 80.0% | NIFC |
| Sep 28, 2026 21:40 | 7,359 | 80.0% | NIFC |
| Oct 10, 2026 18:25 | 7,359 | 80.0% | NIFC |
| Oct 13, 2026 21:05 | 7,359 | 92.0% | NIFC |
| Oct 15, 2026 16:36 | 7,359 | 92.0% | NIFC |
Good air quality at the reporting station. AQI does not assess fire danger, road access or evacuation status.
Reporting area: Aspen. Source: AirNow.gov (EPA).
Observed: 2026-11-08 01:00:00 UTC.
Any automated community or travel summary below may be outdated. It is not a live evacuation or road-closure notice.
Verify evacuation orders, closures and access with the responsible fire agency, county emergency management or sheriff. A containment percentage, feed status or AQI reading does not establish that an area is safe to enter.
NIFC fire information and official resources βIRWIN ID: {548A8D28-1A04-48EE-9011-ABA023175D43}
Discovered: Jun 28, 2026
Cause: Human
Managing Agency: USFS
Est. Cost to Date: $37,000,000
Coordinates: 39.2336, -106.4403
Other wildfires no longer present in our filtered incident feed in CO.
The Willow Fire has burned 7,359 acres as of October 15, 2026.
As of the latest update, the Willow Fire is 92% contained.
The official cause has been listed as: Human.
The Willow Fire is burning in Lake, CO.
The Willow Fire currently meets our U.S. incident tracking criteria. This does not confirm current fire behavior.
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