| 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 | 293 |
| 2 | 391 | -0.368 | (1,1) | -0.368 | Colorado St | 17 to 21 | 120 | 173 |
| 3 | 465 | -0.480 | (1,2) | -0.147 | South Dakota | 17 to 24 | 285 | 79 |
| 4 | 199 | 0.602 | (2,2) | 0.602 | Houston Chr | 26 to 23 | 363 | 367 |
| 5 | 255 | 0.379 | (2,3) | 0.579 | Idaho St | 18 to 26 | 241 | 134 |
| 6 | 267 | 0.256 | (2,3) | 0.456 | --bye-- |
| 7 | 189 | 0.669 | (3,3) | 0.669 | Idaho | 49 to 33 | 207 | 207 |
| 8 | 229 | 0.363 | (3,4) | 0.506 | CS Sacramento | 35 to 40 | 139 | 138 |
| 9 | 230 | 0.358 | (3,5) | 0.608 | UC Davis | 16 to 27 | 54 | 73 |
| 10 | 224 | 0.403 | (3,6) | 0.736 | Montana St | 7 to 55 | 68 | 33 |
| 11 | 223 | 0.393 | (3,7) | 0.793 | Northern Arizona | 10 to 49 | 123 | 121 |
| 12 | 235 | 0.343 | (3,8) | 0.798 | E Washington | 7 to 27 | 171 | 170 |
| 13 | 229 | 0.388 | (4,8) | 0.721 | Portland St | 24 to 13 | 274 | 266 |
| 14 | 228 | 0.381 | (4,8) | 0.714 | --bye-- |
| 15 | 214 | 0.424 | (4,8) | 0.757 | --bye-- |
| 16 | 217 | 0.406 | (4,8) | 0.739 | --bye-- |
| 17 | 218 | 0.413 | (4,8) | 0.746 | --bye-- |
| 18 | 218 | 0.415 | (4,8) | 0.749 | --bye-- |
| 19 | 219 | 0.412 | (4,8) | 0.746 | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |