The National Interagency Coordination Center's Predictive Services Office released its monthly significant wildland fire potential outlook on October 1, 2026, covering the period from October through January 2027. For the Pacific Northwest, the news is largely positive: fire weather conditions are easing. But the nation as a whole faces continued challenges as the season moves toward its final phase.
Northwest: A Welcome Transition
Across Oregon and Washington, fire weather is improving as autumn arrives. Energy Release Component (ERC) values — a key indicator of fire intensity potential based on fuel moisture and atmospheric conditions — dropped noticeably across the Northwest at the start of October. Shorter days, decreasing sun angles, and the arrival of fall precipitation are collectively reducing the potential for fire spread.
The NICC October outlook notes that temperatures in Oregon and Washington are expected to be near normal on balance for the month, with equal chances for above or below normal readings. While above-normal temperatures are forecast heading into late fall and winter for parts of the region, the critical fire weather window appears to be closing for the 2026 season in the Northwest.
No Red Flag Warnings are currently in effect for Oregon or Washington as of October 5, 2026 — a sharp contrast to the conditions that drove the season's most destructive episodes.
How This Season's Fire Weather Unfolded
The Pacific Northwest's 2026 fire season was defined in part by a pattern of dry offshore wind events that periodically dropped relative humidity to critical levels across eastern Washington and Oregon. The defining event was the issuance by the National Weather Service of a rare Particularly Dangerous Situation (PDS) Red Flag Warning across parts of eastern Washington and Oregon, including the Spokane and Pendleton areas.
PDS Red Flag Warnings are reserved for fire weather conditions that meteorologists believe will produce extreme fire behavior — typically a combination of:
- Relative humidity below 15–20%
- Strong sustained winds
- Critically dry fine fuels
When those conditions converge, the potential for rapid, uncontrollable fire growth is extreme. The PDS event during Washington's season coincided with explosive fire growth across multiple incidents and damage to approximately 600 structures statewide.
Current Conditions and What's Next
As of October 5, 2026, a warming trend is underway across the West, with temperatures running 5–15°F above normal across much of the region. However, winds in the Pacific Northwest are light, and minimum relative humidity values in Oregon and Washington are considerably higher than during the season's most dangerous periods, supporting the reduction in fire weather risk.
Southern California and the Great Basin, by contrast, face continued elevated fire danger:
- Minimum relative humidity values of 5–15% in California and Nevada, with poor overnight recovery in some areas
- Potentially record-breaking temperatures in Southern California continuing this week
- A newly reported Bull Fire near Reno, Nevada, reflecting continued sensitivity of the Great Basin
Looking to Next Season
The NICC outlook notes that while October fire potential is declining in the Northwest, the national forecast through January 2027 points to the Southern geographic area — from eastern Texas through Kentucky — and Puerto Rico as the regions with the most significant continued fire potential. Western fire managers will use the fall and winter window to address fuel loads through prescribed burning before the 2027 season arrives.
Fire weather outlooks and current Red Flag Warnings are available at weather.gov/fire. The NICC outlooks are posted monthly at nifc.gov/nicc/predictive-services/outlooks.