Incumbent Senator Jon Tester (D) is now under 50% and leading Auditor Matt Rosendale (R) by 6 (with 8% undecided), moving Montana from lean democrat to tossup.
Probable Outcome: 53-58 Republican Senators.
Median Outcome: 55.5 Republican (gain of 4.5), 42.5 Democrat, 2 Independent
Probable Outcome: 53-58 Republican Senators.
Median Outcome: 55.5 Republican (gain of 4.5), 42.5 Democrat, 2 Independent