As active fire suppression operations wind down across the Pacific Northwest, federal land management agencies are pivoting to one of their most important tools for long-term wildfire risk reduction: prescribed fire. The Bureau of Land Management (BLM) and the U.S. Wildland Fire Service (USWFS) have announced the launch of fall prescribed burning operations throughout Oregon and Washington, with burns planned to continue through fall and winter as weather, fuel moisture, and air quality conditions allow.

Why Fall Prescribed Burning Matters

Prescribed fire — the intentional, carefully managed application of fire to the landscape — is widely recognized by fire scientists and land managers as one of the most effective tools for reducing accumulated fuel loads that make wildfires more severe. Fall and winter offer a critical window for these operations: temperatures are lower, relative humidity is higher, and recently cured fuels burn at controllable intensities while still consuming the dead vegetation that would otherwise carry next year's fires.

"Prescribed fire is one of our most effective tools for reducing wildfire risk and improving habitat," said Josh O'Connor, Northwest Geographic Area Fire Chief for the U.S. Wildland Fire Service. "By carefully planning and executing these burns, we're helping protect communities and strengthen the health of our public lands."

Techniques and Targets

Agency burn crews will use a variety of techniques depending on site conditions:

  • Broadcast burning: Application of fire across an entire treatment area to reduce surface fuels uniformly
  • Hand pile ignitions: Burning piles of slash and debris accumulated from thinning operations
  • Machine pile ignitions: Burning mechanically constructed piles in areas accessible to equipment

The burns will focus primarily on the Wildland-Urban Interface — where homes and communities adjoin fire-prone landscapes — and on restoring ecological function to areas where fire suppression has allowed fuel loads to accumulate beyond natural levels. Many areas targeted have previously undergone mechanical thinning, and burning the resulting residual material is an essential final step in completing that work.

What the Public Should Know

Oregon and Washington residents should expect to see and smell smoke from prescribed burns in the coming weeks and months. Agencies note several important points for the public:

  • Smoke from prescribed burns may settle in low-lying areas and valleys overnight, particularly during temperature inversions
  • Residents near burn units are encouraged to close windows at night to minimize smoke intrusion
  • Drivers should reduce speed and turn on headlights when traveling through smoky areas
  • People with heart or lung disease, asthma, or other chronic conditions should consult their physicians about protective measures and monitor local air quality indexes

All burns are conducted within pre-established prescriptions — specific ranges of weather, fuel moisture, and wind conditions that allow fire to behave predictably and remain manageable. Firefighters use natural topographic features and constructed control lines to keep prescribed fires within their intended boundaries.

Tracking Active Burns

Information about specific upcoming and active prescribed burns in Oregon and Washington is available through the BLM's state fire information page. The public is encouraged to check that resource for real-time updates on burn locations, expected smoke impacts, and air quality advisories before outdoor activities.