| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 0 | 9 | 0.000 | (0,0) | 0.000 | --bye-- |
| 1 | 188 | 0.000 | (0,0) | 0.000 | --bye-- |
| 2 | 13 | 3.045 | (1,0) | 2.045 | C Washington | 42 to 17 | 34 | 181 |
| 3 | 53 | 1.626 | (2,0) | 0.626 | North Dakota | 24 to 23 | 298 | 117 |
| 4 | 37 | 1.697 | (3,0) | 0.697 | Indiana St | 63 to 20 | 133 | 189 |
| 5 | 31 | 1.886 | (4,0) | 0.886 | Idaho | 41 to 30 | 162 | 207 |
| 6 | 44 | 1.710 | (5,0) | 0.710 | Idaho St | 42 to 38 | 241 | 134 |
| 7 | 37 | 1.788 | (6,0) | 0.788 | Cal Poly | 28 to 9 | 132 | 157 |
| 8 | 39 | 1.685 | (7,0) | 0.685 | Sacred Heart | 43 to 21 | 179 | 182 |
| 9 | 41 | 1.712 | (8,0) | 0.712 | CS Sacramento | 49 to 35 | 150 | 138 |
| 10 | 33 | 1.752 | (9,0) | 0.752 | Weber St | 38 to 17 | 176 | 150 |
| 11 | 39 | 1.702 | (10,0) | 0.702 | E Washington | 29 to 24 | 183 | 170 |
| 12 | 41 | 1.674 | (11,0) | 0.674 | Portland St | 63 to 17 | 243 | 266 |
| 13 | 54 | 1.536 | (11,1) | 0.703 | Montana St | 28 to 31 | 42 | 33 |
| 14 | 51 | 1.549 | (11,1) | 0.716 | --bye-- |
| 15 | 45 | 1.629 | (12,1) | 0.783 | S Dakota St | 50 to 29 | 89 | 86 |
| 16 | 38 | 1.675 | (13,1) | 0.818 | South Dakota | 52 to 22 | 78 | 79 |
| 17 | 45 | 1.621 | (13,2) | 0.888 | Montana St | 23 to 48 | 31 | 33 |
| 18 | 44 | 1.624 | (13,2) | 0.890 | --bye-- |
| 19 | 45 | 1.622 | (13,2) | 0.888 | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |