Firefighters across Oregon, Washington, and Idaho are battling some of the most dangerous weather conditions of the season, with Red Flag Warnings and Watches in place Monday across the Inland Northwest. Meteorologists are warning of a combination of extreme heat, critically low humidity, and gusty winds that create ideal conditions for rapid fire growth and erratic fire behavior.

Current Red Flag Conditions

The National Weather Service has issued Red Flag Warnings for portions of central Washington and eastern Oregon, citing:

  • Winds: Westerly winds 15โ€“25 mph with gusts to 30โ€“35 mph
  • Relative Humidity: 5โ€“20%, with some locations potentially dropping into the single digits
  • Temperatures: Near 100ยฐF across much of the Great Basin, central Rockies, and the northern Rockies east of the Continental Divide

These conditions are occurring simultaneously over a large geographic footprint, stretching from the Inland Northwest into the northern Rockies and northwestern Great Basin. The National Interagency Fire Center's daily situation report noted that the breezy, dry conditions would spread into the central Great Basin later in the day.

Thunderstorm Threat in Montana, Wyoming

Isolated mixed wet and dry thunderstorms are forecast to develop across southern Montana and Wyoming Monday afternoon, with the potential to spark new ignitions in critically dry fuels. Dry thunderstorms have already been responsible for dozens of new fire starts across the region in recent weeks.

Fuel Conditions at Critical Levels

Fuels across much of the Pacific Northwest are at or near critically dry levels after an exceptionally warm and dry summer. Fine fuels โ€” grasses and light brush โ€” are fully cured and highly receptive to ignition. Heavier fuels, including downed logs and large shrubs, are also increasingly dry, allowing fires to sustain high-intensity burning even without extreme wind events.

The National Interagency Coordination Center's Predictive Services team has flagged the Northwest as having elevated to critical fire potential through the near term, with no significant precipitation relief in the extended forecast.

No Relief in Sight

Long-range forecasts are offering little comfort to fire managers. Hot and dry conditions are expected to persist across the region into early August, with above-normal temperatures and below-normal precipitation probabilities across Oregon, Washington, and Idaho. The pattern is consistent with an ongoing heat dome that has anchored high pressure over the Pacific Northwest for much of July.

Residents in fire-prone areas should review their evacuation plans, clear defensible space around their homes, and sign up for local emergency alert systems. A list of county alert systems is available through the Oregon Office of Emergency Management and the Washington Emergency Management Division.