Red Flag Warning — Okanogan Valley Severity: Severe. Certainty: Likely. ...THUNDERSTORMS, GUSTY WINDS, AND LOW RELATIVE HUMIDITY SATURDAY INTO SUNDAY... .A strong 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. The National Weather Service in Spokane has issued a Red Flag Warning for thunderstorms, wind, and low relative humidity, which is in effect from 11 AM Saturday to 8 AM PDT Sunday. The Fire Weather Watch is no longer in effect. * Affected Area: Okanogan Valley (Zone 703). * Thunderstorms: Scattered showers and thunderstorms Saturday afternoon through Sunday morning. * Timing of Thunderstorms: Best chances for thunderstorms are from 11 AM Saturday morning through 8 AM Sunday morning. * Outflow Winds: Gusty outflow winds up to 50 mph. * Impacts: Lightning strikes will have the potential to start new fires, and gusty and erratic outflow winds could cause rapid spread of new and existing wildfires. * General Winds: South winds 15 to 20 mph with gusts up to 40 mph. * Timing of General Winds: Peak general winds will be seen from noon to 10 PM Saturday. * Relative Humidities: 20 to 25 percent. * Impacts: Rapid fire spread is possible with any new or ongoing fires.
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