| 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 | Washington | 21 to 38 | 7 | 23 |
| 2 | 120 | 0.632 | (1,1) | 0.632 | N Colorado | 21 to 17 | 391 | 219 |
| 3 | 220 | 0.528 | (1,1) | 0.528 | --bye-- |
| 4 | 114 | 1.112 | (1,2) | 1.445 | UT San Antonio | 16 to 17 | 72 | 66 |
| 5 | 136 | 0.979 | (1,3) | 1.479 | Washington St | 3 to 20 | 42 | 61 |
| 6 | 172 | 0.751 | (1,4) | 1.351 | San Diego St | 24 to 45 | 58 | 58 |
| 7 | 109 | 1.124 | (2,4) | 1.457 | Fresno St | 49 to 21 | 94 | 77 |
| 8 | 145 | 0.847 | (2,5) | 1.276 | Hawaii | 19 to 31 | 65 | 65 |
| 9 | 151 | 0.777 | (2,6) | 1.277 | Wyoming | 0 to 28 | 110 | 155 |
| 10 | 152 | 0.799 | (2,6) | 1.299 | --bye-- |
| 11 | 162 | 0.722 | (2,7) | 1.278 | UNLV | 10 to 42 | 51 | 53 |
| 12 | 152 | 0.756 | (2,8) | 1.356 | New Mexico | 17 to 20 | 51 | 51 |
| 13 | 164 | 0.713 | (2,9) | 1.349 | Boise St | 21 to 49 | 55 | 50 |
| 14 | 180 | 0.624 | (2,10) | 1.290 | Air Force | 21 to 42 | 144 | 145 |
| 15 | 169 | 0.638 | (2,10) | 1.305 | --bye-- |
| 16 | 172 | 0.624 | (2,10) | 1.290 | --bye-- |
| 17 | 170 | 0.623 | (2,10) | 1.290 | --bye-- |
| 18 | 173 | 0.619 | (2,10) | 1.286 | --bye-- |
| 19 | 173 | 0.618 | (2,10) | 1.285 | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |