A civil authority has issued A REQUIRED WEEKLY TEST for the following counties or areas: Snohomish, WA; at 8:43 PM on SEP 4, 2026 Effective until 9:13 PM. Message from WOLF/IP. This is a test, only a test, of the Emergency Alert System, from the Snohomish County Department of Emergency Management. Had this been an actual alert, this system would bring you important information. No action is needed. This is only a test.