| 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 | Texas Tech | 35 to 33 | 424 | 40 |
| 3 | 370 | 0.500 | (2,0) | -0.500 | Portland St | 31 to 17 | 526 | 191 |
| 4 | 26 | 2.292 | (2,1) | 1.958 | Texas | 10 to 31 | 1 | 4 |
| 5 | 17 | 2.289 | (3,1) | 1.789 | Appalachian St | 22 to 19 | 56 | 56 |
| 6 | 20 | 2.189 | (4,1) | 1.589 | New Mexico | 35 to 26 | 168 | 146 |
| 7 | 17 | 2.198 | (5,1) | 1.531 | Fresno St | 24 to 19 | 43 | 58 |
| 8 | 28 | 1.916 | (5,2) | 1.487 | Air Force | 27 to 34 | 21 | 54 |
| 9 | 33 | 1.835 | (5,2) | 1.406 | --bye-- |
| 10 | 42 | 1.717 | (5,3) | 1.467 | Boise St | 7 to 32 | 67 | 46 |
| 11 | 37 | 1.730 | (6,3) | 1.397 | Colorado St | 24 to 15 | 130 | 128 |
| 12 | 47 | 1.644 | (6,4) | 1.444 | UNLV | 14 to 34 | 34 | 47 |
| 13 | 37 | 1.696 | (7,4) | 1.423 | Hawaii | 42 to 9 | 133 | 118 |
| 14 | 38 | 1.726 | (8,4) | 1.392 | Nevada | 42 to 6 | 187 | 190 |
| 15 | 38 | 1.647 | (8,4) | 1.313 | --bye-- |
| 16 | 38 | 1.641 | (8,4) | 1.308 | --bye-- |
| 17 | 38 | 1.641 | (8,4) | 1.307 | --bye-- |
| 18 | 33 | 1.700 | (9,4) | 1.315 | Toledo | 16 to 15 | 51 | 51 |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |