Idaho vs. Montana State

Every meeting on file, as played. Ranks are the AP poll’s going in.

1. Idaho’s biggest win1965: Idaho 54, Montana State 0by 54 points
2. Montana State’s biggest win2024: Montana State 52, Idaho 19by 33 points
3. Upset2026: Idaho 35, Montana State 34Idaho had a 15% chance, by our ratings before kickoff
4. Upset1967: Montana State 41, Idaho 14Montana State had a 15% chance, by our ratings before kickoff
5. Upset1966: Montana State 24, Idaho 10Montana State had a 18% chance, by our ratings before kickoff

Our Elo rating at the end of each season, a measure of how strong a team was, not a forecast; 1500 is an average FBS team.

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  1941 · The Daily Alaska empire, Nov 24, 1941

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  1948 · The Daily Alaska empire, Juneau, Alaska, Nov 8, 1948

Public-domain newspapers from the Library of Congress’s Chronicling America, found through the American Stories dataset (Dell and Harvard, CC BY 4.0). The earliest meetings with a story on file; each game’s page has the full text.

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  The 1928 game

From the rivalry’s and its games’ categories on Wikimedia Commons (free licenses only, each credited), and libraries and archives found through the Digital Public Library of America (each under its holder’s rights statement).

Every game is listed as played on the field.

• Idaho vs. Washington State74 meetings, Idaho 8–⁠64–⁠2
• Idaho vs. Montana62 meetings, Idaho 39–⁠22–⁠1
• Idaho vs. Oregon50 meetings, Idaho 3–⁠44–⁠3
• Idaho vs. Oregon State41 meetings, Idaho 7–⁠34
• Montana State vs. Montana57 meetings, Montana State 18–⁠38–⁠1
• Montana State vs. Utah State26 meetings, Montana State 3–⁠19–⁠4
• Montana State vs. Northern Colorado25 meetings, Montana State 19–⁠6
• Montana State vs. Idaho State23 meetings, Montana State 19–⁠2–⁠2