The Brief A weather system moving through Washington on Wednesday brings potential showers, thunderstorms with gusty winds and lightning risks, triggering a Red Flag Warning through Wednesday night across central and eastern regions. Western Washington will experience cooler temperatures in the mid-70s on Wednesday before warming back up into the 80s through Friday. The potential for storms will stretch into parts of Central and Eastern Washington, prompting a red-flag warning to be issued through Wednesday night at 11 pm. Red flag warning in WAThe red flag warning includes; East Washington Central Cascades, East Washington North Cascades, Okanogan Highlands and Kettle Mountains, Selkirk Mountains of Northeast Washington, Foothills of Northeast Washington, Colville Reservation, Okanogan Valley, Methow Valley, Foothills of Central Washington Cascades and Waterville Plateau. In Western Washington, cooler temperatures are on tap for Wednesday.