Fire weather conditions across the Pacific Northwest are expected to remain elevated through at least June, with meteorologists and fire behavior analysts pointing to a stubborn pattern of below-normal precipitation, above-normal temperatures, and drought conditions that are drying out fuels earlier than usual across Oregon, Washington, and Idaho.

Current Atmospheric Setup

The Climate Prediction Center is forecasting below-normal precipitation across the Pacific Northwest through May and June. This follows an April that ranked well above normal for temperatures across Washington and Oregon, accelerating the drying of fine fuels — the grasses, shrubs, and small branches that ignite most easily and carry fire most rapidly across landscapes.

Fuel moisture levels — a critical indicator of fire potential — are tracking below seasonal norms in many parts of the region. Low fuel moisture means fires ignite more easily, spread faster, and resist suppression efforts more aggressively.

Snowpack: The Critical Variable

Perhaps the most alarming statistic heading into 2026 fire season is the state of snowpack across the Northwest. Washington and much of Idaho experienced a winter dominated by rain rather than snow at elevations that typically accumulate significant snowpack. As a result, snowmelt — which normally keeps soils moist and vegetation green well into summer — has largely already occurred, approximately one month ahead of schedule.

This means river flows are peaking earlier, soil moisture is declining faster, and the green-up that normally acts as a natural fire buffer is giving way to dry, cured fuels much sooner than normal. In practical terms: fire season has effectively started a month early across much of the region.

Red Flag Conditions

Red Flag Warnings — issued by the National Weather Service when a combination of low humidity, strong winds, and dry fuels creates critical fire weather — have been more frequent this spring across the Interior Northwest. Gusty winds from the east, which funnel down through mountain passes and drastically reduce relative humidity in the valleys below, are particularly dangerous fire weather events in Oregon and Washington.

Residents in fire-prone areas should monitor National Weather Service forecasts and local emergency alerts during periods of high winds and low humidity. During Red Flag conditions, even a small ignition can grow rapidly into a major incident.

What Forecasters Are Watching

Key variables fire meteorologists are monitoring for the coming weeks include:

  • Upper-level ridge persistence: High-pressure systems parked over the Northwest drive warm, dry conditions and suppress incoming storm systems
  • Wind events: Easterly wind episodes in the Cascades can produce extreme fire weather with little warning
  • Offshore flow: Marine air is the Pacific Northwest’s natural moderating influence; its absence prolongs dry and warm periods
  • Thunderstorm potential: Dry lightning events in July and August historically trigger the largest fire starts across the region

Preparedness Window Is Now

Fire officials emphasize that the time to prepare is before fire threatens, not during. Residents in the wildland-urban interface should use this window — while fires are still relatively manageable — to create defensible space around their homes, prepare evacuation kits, identify multiple evacuation routes, and register for local emergency alert systems. By July and August, the window for safe outdoor work around structures may be significantly constrained by fire danger.