Updated November 3, 2026 · model inputs through November 3, 2026

Montana Senate Forecast

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Montana has voted decisively Republican in recent federal contests. Independent Seth Bodnar is the model’s main challenger to Republican Kurt Alme, with Democrat Alani Bankhead also on the ballot. Even as the leading alternative to Alme, Bodnar faces a state baseline that strongly favors Republicans.

Forecast summary

Model margin
R+11.48
Rating
Likely R
Polling average
R+9.99
Fundamentals
R+13.05
Matchup
Seth Bodnar vs. Kurt Alme

FORECAST HISTORY

Chance of winning over time

No candidate win probabilities have been published from a frozen, label-verified simulation run yet.

FORECAST HISTORY

Model margin over time

Published model margins by release date.

MODEL BREAKDOWN

How the forecast is built

The polling average and fundamentals are blended at their published weights.

Polling average — — · —
Fundamentals — — · —
Projected margin — Published model output
Polling Fundamentals

Margins are D-minus-R points. Candidate strength is included in fundamentals; its separate score is not published. Values are rounded to two decimals.

POLLING INPUTS

Polls behind the average

Included surveys, newest first.

Polling average
R+9.99

Field dates Pollster Sample Results
Fielded Oct 22–Oct 23, 2026Concord Public Opinion Partners410 LVI Seth Bodnar 39% · R Kurt Alme 38%
Fielded Oct 5–Oct 21, 2026MSU - Billings720 AI Seth Bodnar 26% · R Kurt Alme 30%
Fielded Sep 17, 2026Quantus InsightsLV · size n/aI Seth Bodnar 24% · R Kurt Alme 44% · O Other 23%
Fielded Sep 11, 2026Montana Free PressLV · size n/aI Seth Bodnar 30% · R Kurt Alme 38% · O Other 21%

The published average comes directly from the workbook. Polls are not equally weighted, and the browser does not recompute the forecast.