Race history · Senate

Montana

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Updated Oct 11, 2026 · 5:23 pm ET

Last updatedOct 11, 2026 · 5:23 pm ET

Steve DainesOpen seat119th · R

Final: ROct 11
Preliminary: R
No-tossup: R
Confidence
2024: Harris: 38%Trump: 58% (2020: Biden 41% Trump 57%)

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Published changes

Oct 11, 20264:56 pm ET

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MontanaFinal—changed toR