Colorado wildfires

Rio Blanco Fire

OutArchuleta County, Colorado2026Wildfire

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.

Live radar at the fire Forecast for Pagosa Springs

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.

DayAcresChange
July 29, 2026440
July 30, 2026709+269
July 31, 2026783+74
August 1, 20261,011+228
August 2, 20261,083+72
August 3, 20261,126+43
August 4, 20261,246+120
August 5, 20261,388+142
September 15, 20261,3880

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.

Original at InciWeb

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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.