| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 1 | 40 | 0.000 | (0,0) | 0.000 | --bye-- |
| 2 | 29 | 0.500 | (1,0) | -0.500 | Lamar | 42 to 17 | 424 | 278 |
| 3 | 35 | 5.195 | (2,0) | 4.195 | Nevada | 33 to 6 | 72 | 190 |
| 4 | 82 | 1.617 | (2,1) | 1.284 | California | 17 to 31 | 49 | 45 |
| 5 | 77 | 1.551 | (3,1) | 1.051 | Sacramento St | 36 to 27 | 121 | 122 |
| 6 | 49 | 1.728 | (4,1) | 1.128 | Eastern Washington | 44 to 36 | 143 | 211 |
| 7 | 62 | 1.565 | (5,1) | 0.899 | Cal Poly SLO | 42 to 14 | 314 | 304 |
| 8 | 87 | 1.331 | (5,2) | 0.903 | Montana | 21 to 23 | 66 | 43 |
| 9 | 75 | 1.355 | (5,2) | 0.926 | --bye-- |
| 10 | 62 | 1.486 | (6,2) | 0.986 | Montana St | 24 to 21 | 76 | 97 |
| 11 | 71 | 1.387 | (7,2) | 0.831 | Northern Colorado | 27 to 13 | 400 | 401 |
| 12 | 100 | 1.214 | (7,3) | 0.814 | Weber St | 29 to 31 | 140 | 138 |
| 13 | 97 | 1.193 | (8,3) | 0.739 | Idaho St | 63 to 21 | 254 | 246 |
| 14 | 92 | 1.285 | (8,3) | 0.831 | --bye-- |
| 15 | 83 | 1.275 | (9,3) | 0.775 | Southern Illinois | 20 to 17 | 109 | 114 |
| 16 | 94 | 1.181 | (9,4) | 0.796 | Albany NY | 22 to 30 | 98 | 100 |
| 17 | 96 | 1.167 | (9,4) | 0.782 | --bye-- |
| 18 | 95 | 1.157 | (9,4) | 0.772 | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |