| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 0 | 9 | 0.000 | (0,0) | 0.000 | --bye-- |
| 1 | 518 | -0.500 | (0,1) | 0.500 | C Michigan | 14 to 16 | 7 | 132 |
| 2 | 585 | -0.813 | (0,2) | 0.187 | Texas | 7 to 38 | 317 | 22 |
| 3 | 533 | -0.783 | (0,2) | 0.217 | --bye-- |
| 4 | 209 | 0.546 | (1,2) | 0.879 | Idaho | 31 to 28 | 172 | 170 |
| 5 | 195 | 0.634 | (1,3) | 1.134 | Stanford | 29 to 30 | 119 | 86 |
| 6 | 160 | 0.855 | (2,3) | 1.055 | New Mexico | 35 to 28 | 91 | 59 |
| 7 | 180 | 0.767 | (2,4) | 1.100 | Wyoming | 28 to 35 | 98 | 120 |
| 8 | 180 | 0.712 | (2,5) | 1.140 | Utah St | 25 to 30 | 77 | 92 |
| 9 | 159 | 0.790 | (2,5) | 1.219 | --bye-- |
| 10 | 128 | 1.057 | (3,5) | 1.307 | Hawaii | 45 to 38 | 85 | 85 |
| 11 | | | | | Air Force | | | 163 |
| 12 | | | | | Nevada | | | 216 |
| 13 | | | | | San Diego St | | | 48 |
| 14 | | | | | Fresno St | | | 83 |
| 15 | | | | | --bye-- |
| 16 | | | | | --bye-- |
| 17 | | | | | --bye-- |
| 18 | | | | | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |