Seattle Times - http://www.seattletimes.com/
Search today's news as well as an increasingly deep archive (archive searching requires registration). Fuller archive available through the KCLS database 'Washington State Newsstand.'
UW Microform and Newspaper Collections - http://www.lib.washington.edu/Mcnews/
The region's largest collection of current and back issues of newspapers, from both Washington State and around the world.
Washington State Newsstand - http://www.kcls.org/erout/goto.cfm?f=pq-seatimes&d=72
Articles from Washington newspapers, including the Seattle Times, PI, and Tacoma News Tribune.