| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 0 | 9 | 0.000 | (0,0) | 0.000 | --bye-- |
| 1 | 7 | 0.500 | (1,0) | -0.500 | Chadron St | 17 to 3 | 518 | 276 |
| 2 | 391 | -0.368 | (1,1) | -0.368 | Colorado St | 17 to 21 | 120 | 152 |
| 3 | 465 | -0.480 | (1,2) | -0.147 | South Dakota | 17 to 24 | 285 | 105 |
| 4 | 199 | 0.602 | (2,2) | 0.602 | Houston Chr | 26 to 23 | 363 | 351 |
| 5 | 254 | 0.400 | (2,3) | 0.600 | Idaho St | 18 to 26 | 241 | 187 |
| 6 | 266 | 0.302 | (2,3) | 0.502 | --bye-- |
| 7 | 189 | 0.722 | (3,3) | 0.722 | Idaho | 49 to 33 | 206 | 170 |
| 8 | 229 | 0.427 | (3,4) | 0.570 | CS Sacramento | 35 to 40 | 139 | 148 |
| 9 | 230 | 0.434 | (3,5) | 0.684 | UC Davis | 16 to 27 | 54 | 81 |
| 10 | 224 | 0.488 | (3,6) | 0.821 | Montana St | 7 to 55 | 68 | 68 |
| 11 | | | | | Northern Arizona | | | 131 |
| 12 | | | | | E Washington | | | 189 |
| 13 | | | | | Portland St | | | 243 |
| 14 | | | | | --bye-- |
| 15 | | | | | --bye-- |
| 16 | | | | | --bye-- |
| 17 | | | | | --bye-- |
| 18 | | | | | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |