Rio Blanco Fire
The Rio Blanco Fire was reported on July 28, 2026 in Archuleta County, Colorado and burned 1,388 acres. It was declared out on September 9, 2026. The cause is listed as natural.
- Size
- 1,388 acres
- Contained
- 100%
- Discovered
- July 28, 2026
- Personnel
- 26
Map
Perimeter mapped September 15, 2026 at 4:54 PM MDT, 1,388 acres (ir image interpretation). Point of origin 37.125, -106.985.
The incident
- Size
- 1,388 acres
- Containment
- 100%
- Discovered
- July 28, 2026 at 3:11 PM MDT
- Contained
- August 19, 2026 at 9:30 AM MDT
- Controlled
- September 9, 2026 at 11:00 AM MDT
- Declared out
- September 9, 2026 at 12:00 PM MDT
- Cause
- Natural
- Location
- 10 Miles S from Pagosa Springs, CO
- County
- Archuleta County
- State
- Colorado
- Nearest city reported
- Pagosa Springs
- Protecting agency
- USFS
- Jurisdiction
- USFS
- Land ownership at origin
- USFS
- Personnel assigned
- 26
- Incident management
- Type 4 IC, Type 3 Incident
- Primary fuel
- Timber (Grass and Understory)
- Estimated cost to date
- $11,150,793
- Incident type
- Wildfire
- Unique fire identifier
- 2026-COSJF-000806
- IRWIN identifier
- 31E42281-5DC8-48B0-9031-AF570C7B2CDF
Growth
Mapped area at the last perimeter of each day, from July 29, 2026 (440 acres) to September 15, 2026 (1,388 acres). The largest one-day growth was 269 acres, mapped July 30, 2026.
| Day | Acres | Change |
|---|---|---|
| July 29, 2026 | 440 | |
| July 30, 2026 | 709 | +269 |
| July 31, 2026 | 783 | +74 |
| August 1, 2026 | 1,011 | +228 |
| August 2, 2026 | 1,083 | +72 |
| August 3, 2026 | 1,126 | +43 |
| August 4, 2026 | 1,246 | +120 |
| August 5, 2026 | 1,388 | +142 |
| September 15, 2026 | 1,388 | 0 |
Weather in the area
This fire is no longer listed as current. The forecast for Pagosa Springs, CO covers the area today.
From the incident team
Posted on InciWeb, updated August 31, 2026.
The Rio Blanco Fire was declared 100% contained at 5 PM on Tuesday, August 18, 2026. It was officially declared OUT on Wednesday, September 9, 2026. This Inciweb Page will no longer be updated.--------------CLOSURES LIFTED: The San Juan National Forest and Bureau of Land Management lifted the Rio Blanco Fire road closure, effective August 25th, 2026. Travelers are being asked to avoid driving on NFS 653. B as it was damaged as a result of heavy fire traffic and will require additional repair when soil moisture content is higher. The likelihood of getting stuck or damaging a vehicle is very high. Any public entering the fire area should exercise extreme caution. Hazards include fire-weakened trees, hot spots and ashpits, loose rocks, flash flooding, and debris flows. Avoid the area during high wind and rainstorms.--------------The Rio Blanco Fire, which burned 1,388 acres south of Pagosa Springs, Colorado, was declared 100% contained at 5 PM on Tuesday, August 18, 2026. It was officially declared OUT on Wednesday, September 9, 2026. On Tuesday, August 25, 2026, officials with the San Juan National Forest announced that all road closures related to the incident have been lifted. The fire started on July 28, 2026, due to a lightning strike. While the fire is fully contained, forest officials caution that hazards remain within the burned area.
Nearby
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Incident record from the National Interagency Fire Center’s Wildland Fire Interagency Geospatial Services (WFIGS), as the incident’s managers report it; last updated September 15, 2026 at 4:54 PM MDT. Identifier 2026-COSJF-000806.