MacroVoter House Map Senate Map Governors Map Projected Seats: 52D - 48R 2026 Montana Senate Election Odds, Polls & RatingsMontana U.S. Senate seat. Republican-held seat. Republicans 91% to Independent 9% to Democrats 1%. Rated Likely R. R+15 in latest polls (Alani Bankhead vs Kurt Alme). Live odds from Polymarket and Kalshi, updated every minute. × − +