The midterm congressional elections will give Americans a chance to deliver a verdict on how US President Donald Trump’s second term has delivered on its promises. width=device-width, initial-scale=1, shrink-to-fit=no" name="viewport"/>US midterm elections: Your fast guide to the US midterms and how they work. The 2026 US midterm elections will offer voters an opportunity to choose representatives for Congress and decide state and local contests.