| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 0 | 1 | 0.500 | (1,0) | -0.500 | Idaho St | 38 to 31 | 694 | 187 |
| 1 | 185 | 0.500 | (2,0) | -0.500 | Sam Houston St | 38 to 21 | 517 | 263 |
| 2 | 621 | -1.400 | (3,0) | -2.400 | UCLA | 30 to 23 | 658 | 73 |
| 3 | 294 | 0.287 | (3,0) | -0.713 | --bye-- |
| 4 | 148 | 0.879 | (4,0) | -0.121 | Miami OH | 41 to 38 | 347 | 103 |
| 5 | 80 | 1.445 | (4,0) | 0.445 | --bye-- |
| 6 | 49 | 1.685 | (5,0) | 0.685 | Wyoming | 31 to 17 | 133 | 120 |
| 7 | 36 | 1.844 | (6,0) | 0.844 | Air Force | 51 to 48 | 169 | 163 |
| 8 | 48 | 1.670 | (6,1) | 0.956 | Boise St | 31 to 56 | 33 | 52 |
| 9 | 43 | 1.746 | (6,1) | 1.031 | --bye-- |
| 10 | 57 | 1.586 | (6,2) | 1.086 | New Mexico | 35 to 40 | 59 | 59 |
| 11 | | | | | Colorado St | | | 152 |
| 12 | | | | | Utah St | | | 92 |
| 13 | | | | | Hawaii | | | 85 |
| 14 | | | | | Nevada | | | 216 |
| 15 | | | | | --bye-- |
| 16 | | | | | --bye-- |
| 17 | | | | | --bye-- |
| 18 | | | | | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |