Five states hold primaries on Tuesday: Arizona, Kansas, Michigan, Missouri and Washington.
In Michigan, several Republicans are vying to face outgoing Governor Gretchen Whitmer. And there are notable primaries for U.S. House seats, including Rep. Peter Meijer trying to fend off a challenger in the 3rd District, and Democratic Reps. Andy Levin and Haley Stevens placed in the same district due to of a redistricting.
Polls open in Michigan at 7 a.m. local time and close at 8 p.m. local time. Michigan is almost entirely under ET except for a small portion under CT.