Northwest Science Fiction Resources is an excellent source for local and regional conventions, so please visit the NW Convention Listing when you can.
Norwescon 31: March 20 - 23, 2008, Doubletree Hotel Seattle Airport, SeaTac, WA.
LiveJournal community: http://community.livejournal.com/norwescon
MySpace profile: http://www.myspace.com/norwescon
Norwescon Forums: http://www.freepowerboards.com/norwescon/
Forum for parties and rule changes at Norwescon: http://norwesconclubs.freeforums.org/
Sakura-Con 2008: March 28 - 30, 2008, Seattle WA.
GameStorm 10: March 29 - 30, 2008, Vancouver, WA.
World Horror Convention 2008: March 27 - 30, 2008, Salt Lake City, UT.
Portland Comic Book Show: April 13, 2008, Memorial Coliseum, Portland, OR.
IPMS Seattle Spring Show - April 19, 2008, Renton Community Center, Renton, WA.
Just A Game Con: April 19-20, 2008, Corvallis OR.
Stunptown Comics Fest: April 26-27, 2008, Lloyd Center Doubletree, Portland, OR.
Emerald City ComiCon: May 10-11, 2008, Washington State Convention and Trade Center, Seattle, WA.
ION 2208 Game Conference - May 13 - 15, 2008, Seattle, WA.
Otafest 2008: May 16 - 18, 2008. Calgary, Alberta, Canada.
MisCon 22: May 23 - 26, 2008, Missoula, MT.
Crypticon Horror Convention: May 23 - 25, 2008, Doubletree Inn & Conference Center, Seattle, WA.
The Pirate Gathering: May 23 - 26, 2008.
"We are an organization within the boundaries of the Society for Creative Anachronisms (or SCA for short) which deals in all aspects of nautical life between the historical periods of 600 through 1650 AD. The 9th Gathering is ever closer to our doors. We are looking to have the gathering at Horning's Hideout on the same weekend as usual (Memorial Day Weekend, May 23-26th 2008). For those of you not familiar with this site, it is in the Forest Grove/Hillsboro area." The Gathering: http://thepirategathering.org/
CONduit XVIII: May 23 - 25, 2008, Salt Lake City, UT.
Enfilade: May 25 - 27, 2008, Olympia, WA.