While the 2026 midterms are more than a year and a half away, three special elections happening Tuesday night should give voters in Pennsylvania and across the country a sense of which way the political breeze is blowing.

Tuesday’s election to fill a Supreme Court seat in Wisconsin has emerged as the country’s first major political battle since President Donald Trump returned to the White House. It offers both an early test of the president’s popularity in a state he narrowly flipped last year and a gauge of the political machine that Trump ally Elon Musk has deployed to drive up turnout in this swing state.