| 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 | Butler | 35 to 20 | 424 | 281 |
| 3 | 713 | -7.719 | (2,0) | -8.719 | Utah Tech | 43 to 13 | 734 | 311 |
| 4 | 128 | 1.291 | (3,0) | 0.291 | Ferris St | 17 to 10 | 320 | 187 |
| 5 | 151 | 0.984 | (3,1) | 0.484 | Northern Arizona | 14 to 28 | 259 | 152 |
| 6 | 133 | 1.001 | (4,1) | 0.401 | Idaho St | 28 to 20 | 311 | 246 |
| 7 | 91 | 1.319 | (5,1) | 0.652 | UC-Davis | 31 to 23 | 161 | 119 |
| 8 | 66 | 1.481 | (6,1) | 0.767 | Idaho | 23 to 21 | 87 | 95 |
| 9 | 67 | 1.434 | (6,1) | 0.720 | --bye-- |
| 10 | 75 | 1.363 | (7,1) | 0.613 | Northern Colorado | 40 to 0 | 404 | 401 |
| 11 | 63 | 1.429 | (8,1) | 0.651 | Sacramento St | 34 to 7 | 112 | 122 |
| 12 | 69 | 1.426 | (9,1) | 0.626 | Portland St | 34 to 10 | 206 | 191 |
| 13 | 61 | 1.483 | (10,1) | 0.665 | Montana St | 37 to 7 | 92 | 97 |
| 14 | 57 | 1.562 | (10,1) | 0.743 | --bye-- |
| 15 | 53 | 1.520 | (11,1) | 0.687 | Delaware | 49 to 19 | 120 | 121 |
| 16 | 50 | 1.555 | (12,1) | 0.709 | Furman | 35 to 28 | 102 | 104 |
| 17 | 42 | 1.605 | (13,1) | 0.748 | North Dakota St | 31 to 29 | 68 | 69 |
| 18 | 43 | 1.595 | (13,1) | 0.737 | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |