Idaho will hold a primary on May 15 to select candidates for state and congressional offices. In person absentee voting for this primary ends on May 11. Nebraska and Oregon will be holding their primaries for President along with congressional and state offices on May 15. Nebraska voters have the option of voting early which ends on May 14. Oregon voters can check out information about their primary with lists of candidates by going here.
Update: Governor Palin has endorsed Deb Fischer for Senate in Nebraska