Voter registration for the 2026 midterm elections is now open across various states. Residents of Pennsylvania can verify their registration status, and unregistered voters can still participate in the election. Idaho and Texas have issued guides for Election Day voters, advising them to cast their ballots in person instead of using mail-in ballots. The Los Angeles Times reports that unregistered voters can still cast their ballots, while CBS News provides instructions for checking registration in Pennsylvania.