| 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 | TAMU-Commerce | 48 to 10 | 424 | 465 |
| 3 | 73 | 4.113 | (1,1) | 4.113 | Oregon St | 7 to 55 | 38 | 25 |
| 4 | 68 | 1.722 | (2,1) | 1.388 | Southern Utah | 23 to 21 | 212 | 196 |
| 5 | 218 | 0.611 | (2,2) | 0.611 | Eastern Washington | 24 to 27 | 154 | 211 |
| 6 | 169 | 0.813 | (3,2) | 0.613 | Cal Poly SLO | 31 to 13 | 330 | 304 |
| 7 | 161 | 0.834 | (3,3) | 0.834 | Montana | 23 to 31 | 91 | 43 |
| 8 | 138 | 0.978 | (4,3) | 0.835 | Weber St | 17 to 16 | 151 | 138 |
| 9 | 134 | 0.963 | (4,3) | 0.820 | --bye-- |
| 10 | 167 | 0.784 | (4,4) | 0.784 | Northern Arizona | 21 to 38 | 170 | 152 |
| 11 | 150 | 0.882 | (5,4) | 0.771 | Portland St | 37 to 23 | 195 | 191 |
| 12 | 134 | 0.942 | (6,4) | 0.742 | Idaho St | 21 to 14 | 237 | 246 |
| 13 | 119 | 1.029 | (7,4) | 0.756 | Sacramento St | 31 to 21 | 132 | 122 |
| 14 | 117 | 1.108 | (7,4) | 0.835 | --bye-- |
| 15 | 116 | 1.027 | (7,4) | 0.754 | --bye-- |
| 16 | 120 | 1.021 | (7,4) | 0.748 | --bye-- |
| 17 | 119 | 1.018 | (7,4) | 0.745 | --bye-- |
| 18 | 119 | 1.000 | (7,4) | 0.728 | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |