A civil authority has issued A REQUIRED MONTHLY TEST for the following counties or areas: Snohomish, WA; at 4:36 AM on SEP 1, 2026 Effective until 5:06 AM. Message from IPAWSCAP. This is a test, only a test, of the Emergency Alert System, from the Snohomish County 911. Had this been an actual alert, this system would bring you important information. No action is needed. This is only a test.