Pattern 25 have posted a list of Jon Auer shows for May; however, many are still tentative. Visit their site for full list; here are the shows that are confirmed right now:
5/04: The Basement, Nasville TN
5/08: local 506, chapel hill NC
5/09: Jammin Java, Vienna VA
5/10: World Cafe Live, Philadlelphia PA
5/11: Maxwells, Hoboken NJ
5/12: Mercury Lounge, New York NY
5/16: Beachland Ballroom, Cleveland OH
5/17: Schubas, Chicago IL
Also, here is a link to a feature The Tripwire did on Jon yesterday.