Washington Severe Red Flag Warning | Effective 07/15/2026 21:10

...ISOLATED TO SCATTERED THUNDERSTORMS WEDNESDAY NIGHT THROUGH THURSDAY EVENING... .Two rounds of showers and thunderstorms will impact Central and Eastern Washington between Wednesday night and Thursday evening. The first round will track south to north through Central Washington Wednesday night into Thursday morning and will consist of a mix of wet and dry thunderstorms with scattered lightning strikes. Rainfall amounts will generally range from a trace to a tenth of an inch, but may be higher if multiple storms move over the same area. As this activity drifts north of Highway 2 Thursday morning, lightning activity will become isolated. A second round of thunderstorms will track southwest to northeast late Thursday morning into Thursday evening. A few storms could be strong during this time with frequent lightning and hail. Gusty outflow winds and new fire starts will be a concern with any thunderstorms from Wednesday night through Thursday evening. The National Weather Service in Spokane has issued a Red Flag Warning for thunderstorms, which is in effect from 3 AM to 11 PM PDT Thursday. The Fire Weather Watch is no longer in effect. * Affected Area: Okanogan Highlands and Kettle Mountains (Zone 699), Colville Reservation (Zone 702) and Okanogan Valley (Zone 703). * Thunderstorms: Isolated to scattered thunderstorms Thursday morning with a second round of storms Thursday afternoon and evening. A mix of wet and dry thunderstorms with rainfall amounts less than a tenth of an inch. Locally higher rainfall amounts possible where multiple storms move over the same area. * Outflow Winds: Erratic outflow wind gusts Thursday morning up to 30 mph. Outflow wind gusts Thursday afternoon and evening up to 50 mph. * Impacts: New fire starts from lightning. New fires could be impacted by gusty outflow winds.