| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 0 | 1 | 0.500 | (1,0) | -0.500 | Stanford | 23 to 20 | 694 | 86 |
| 1 | 187 | 0.125 | (1,1) | 0.125 | Arizona | 6 to 40 | 3 | 44 |
| 2 | 618 | -1.400 | (2,1) | -1.733 | Sam Houston St | 37 to 20 | 674 | 263 |
| 3 | 201 | 0.613 | (3,1) | 0.113 | Portland St | 23 to 3 | 436 | 243 |
| 4 | 141 | 0.915 | (3,2) | 0.715 | Fresno St | 21 to 23 | 73 | 83 |
| 5 | 88 | 1.339 | (4,2) | 1.005 | Air Force | 44 to 35 | 176 | 163 |
| 6 | 90 | 1.290 | (4,2) | 0.957 | --bye-- |
| 7 | 81 | 1.397 | (5,2) | 0.969 | Utah St | 44 to 26 | 106 | 92 |
| 8 | 65 | 1.512 | (6,2) | 1.012 | Colorado St | 31 to 19 | 145 | 152 |
| 9 | 68 | 1.467 | (6,2) | 0.967 | --bye-- |
| 10 | 85 | 1.352 | (6,3) | 1.019 | San Jose St | 38 to 45 | 128 | 128 |
| 11 | | | | | San Diego St | | | 48 |
| 12 | | | | | --bye-- |
| 13 | | | | | UNLV | | | 57 |
| 14 | | | | | Wyoming | | | 120 |
| 15 | | | | | --bye-- |
| 16 | | | | | --bye-- |
| 17 | | | | | --bye-- |
| 18 | | | | | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |