Overview
- The Desimone/Green River levee failed around noon Monday near Todd Boulevard in Tukwila, with water moving north toward I-405, officials said.
- NWS Seattle issued a Flash Flood Warning through 9 p.m. PST covering low-lying areas of Tukwila, Kent and Renton, affecting roughly 45,000–46,000 people.
- King County ordered immediate evacuations in the Orillia area and warned access routes could be lost at any time.
- Emergency shelters opened in Auburn and at the Evergreen State Fairgrounds in Monroe, with the Washington National Guard assisting local responders.
- County crews had installed a temporary seepage blanket on the levee last week as the region reeled from earlier flooding, and more rain is expected through midweek.