Total of 94 Democratic delegates, 56 Republican delegates at stake:

Wisconsin Dem/GOP primaries – 74 Dem/37 GOP delegates — polls close 9 pm ET

Hawaii Dem caucuses — 20 Dem delegates — voting ends 12:30 am (Wednesday) ET

Washington State Dem/GOP primaries – non-binding for Dems/19 GOP delegates – polls close 11 pm ET (though mostly done by mail, postmarked by Tuesday).