Primary Elections
Missouri Primary Elections 2026
Primary date, filing deadlines, key contested races, and what to watch in Missouri ahead of the 2026 general election.
August 4, 2026
Primary Date
None
Runoff / RCV
May 2026
Filing Deadline
Low — Safely Republican
Competitiveness
Key 2026 Primary Races
| U.S. Senate | Josh Hawley (R) not up until 2028 |
| Governor | Mike Kehoe (R) not up until 2028 |
| U.S. House | MO-2 (Ann Wagner), MO-3 competitive primary districts |
2026 Primary Overview
Missouri is safely Republican. No major statewide races in 2026. Some Republican House primaries may feature MAGA vs. establishment contests.