* – Nevada was given a win on the Fremont Cannon after UNLV was forced to forfeit the game after an investigation found that ineligible players had participated in the 1983 and 1984 seasons.
Portland State games did not count in conference standings. Northern Arizona forfeited four conference wins, to Idaho State, Montana State, Weber State, Cal State Northridge.
† Montana vacated two conference wins, five total wins, their conference co-championship, and playoff participation (three games, including two of the five total wins) in 2011 * Idaho State ineligible for FCS playoffs due to APR violations
Notes: Due to COVID-19, the Big Sky suspended the fall 2020 football season. Montana State, Northern Colorado, and Sacramento State opted out of the spring season. † – Montana and Portland State opted out of the conference season, but scheduled non-conference games. ‡ – Cal Poly opted out of the remainder of the spring season on March 29, 2021.