2026-08-22T22:00:00-07:00
...THUNDERSTORMS, GUSTY WINDS, AND LOW RELATIVE HUMIDITY SATURDAY INTO SUNDAY... .A cold front will move through the region Saturday into Sunday, bringing a risk for thunderstorms and strong west to southwest winds. This will lead to critical fire weather conditions across the region. * Affected Area: Colville Reservation (Zone 702), Foothills of Central Washington Cascades (Zone 705), Waterville Plateau (Zone 706), Western Columbia Basin (Zone 707) and Lower Palouse -Snake River (Zone 709). * Winds: West to southwest 10 to 20 mph with gusts up to 35 mph. * Thunderstorms: Isolated thunderstorms may develop Saturday afternoon for zones 702 and 709. Gusty outflow winds are expected near thunderstorms. * Relative Humidities: 17 to 25 percent. * Impacts: Rapid fire spread is possible with any new or ongoing fires. Lightning strikes will have the potential to start new fires with gusty outflow winds.
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