The City of Tukwila issued an evacuation readiness update on December 15, 2025. Areas including the Southcenter District, West Valley Highway, and parts of Interurban Avenue South are now under a LEVEL 1 “READY” alert due to potential flooding from the Green River, which could happen with little warning. Residents and businesses in these regions are advised to prepare for possible evacuation. Recommended actions include monitoring local news, checking on neighbors, updating emergency kits, and reviewing evacuation plans and shelter locations. Property owners should prepare their homes or businesses for potential floodwaters and consider changes to business operations to minimize road travel. Residents are encouraged to leave if they feel unsafe. The City will provide updates via its Facebook page and website. An Emergency Alerts Mapping Tool is available for residents to check their alert status using their address.