Key Primary Races to Watch in 2026

WASHINGTON—While the midterm general election is still nearly a year off, the primary season has already gotten well underway across the United States. In races from California to Texas to Maine, high-profile candidates are vying for the nomination in a series of key races for the U.S. Senate, U.S. House, and governorships. The outcomes of these races will shape the 2026 midterm season, as Republicans seek to hold the gains they made in 2024 and Democrats seek to go on the offensive. Here are the key primary races to watch as midterm season ramps up. Texas Senate Both parties are investing resources—and attention—into the race to be the Lone Star State’s next senator....