Primary Calendar Opens in Kansas and Michigan

From the PollingSource daily briefing for August 4, 2026

Primary Calendar Opens in Kansas and Michigan

The primary calendar's next stretch begins August 4, with voters in Kansas, Michigan, Missouri, Virginia, and Washington heading to the polls. Kansas and Michigan carry the heaviest loads, with contested primaries running across Senate, House, and governor's races in both states. Kansas's governor's race is currently rated Lean R, while Michigan's governor's race sits at Likely D — ratings that reflect the current field rather than any single candidate's standing, and both will face their first real test once nominees are set. Missouri and Washington are narrower affairs, with House primaries only, while Virginia's ballot spans both Senate and House contests. The spread of contest types across five states in a single week makes August 4 one of the busier primary dates on the calendar, and results will start filling in blanks on nominee fields that have so far been defined mostly by fundraising totals and polling averages built on assumed matchups.

Tennessee and Hawaii Follow Within Days

The calendar does not let up. Tennessee votes August 6 in primaries spanning Senate, House, and governor's races, and Hawaii follows two days later with House and governor's primaries of its own. By August 11, five more states — Alabama, Connecticut, Minnesota, Vermont, and Wisconsin — will have added contests, with Alabama holding a special election the same day the other four hold primaries. Minnesota's governor's race is rated Likely D heading into that vote, one of the more closely watched contests in the August 11 batch given the size and political geography of the state. Taken together, the stretch from August 4 through August 11 will produce nominee fields in ten states in barely a week, a pace that will sharply narrow the number of open questions heading into the fall.

Governor's Races to Track Beyond the Primary Window

Even as primary results roll in, the broader map of competitive governor's races remains largely fixed for now. Arizona's, Florida's, and Nevada's races are all rated Toss-up, the most volatile tier on the board. Georgia, Iowa, and New Mexico lean Democratic; Kansas leans Republican; New Hampshire is rated Likely R. None of these ratings is set in stone — each depends on assumptions about who the nominee will be, and Kansas's own primary this week is a reminder that those assumptions can shift quickly once voters weigh in. As Kansas and Michigan settle their fields this week, and Tennessee, Hawaii, and the August 11 states follow, analysts will be watching whether the resulting matchups hold these ratings steady or force revisions once real opponents — rather than presumptive ones — are locked in.

With ten states voting inside eight days, the next stretch will do more to clarify the fall landscape than any polling update could on its own.

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