Missouri 4th — House 2026 Primary

The Missouri 4th — House primary is scheduled for August 4, 2026. Thomas Holbrook is running unopposed. No public polling is available for this race, so the forecast leans on fundraising, endorsements, candidate profiles, and historical results.

Current win probabilities

  1. Thomas Holbrook — 100%

Probabilities update daily from polls, fundraising, endorsements, and historical results.

All 2026 race forecasts · About the model