| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 0 | 1 | 0.500 | (1,0) | -0.500 | Idaho St | 38 to 31 | 694 | 134 |
| 1 | 185 | 0.500 | (2,0) | -0.500 | Sam Houston St | 38 to 21 | 517 | 218 |
| 2 | 621 | -1.400 | (3,0) | -2.400 | UCLA | 30 to 23 | 658 | 84 |
| 3 | 294 | 0.287 | (3,0) | -0.713 | --bye-- |
| 4 | 148 | 0.879 | (4,0) | -0.121 | Miami OH | 41 to 38 | 347 | 119 |
| 5 | 80 | 1.425 | (4,0) | 0.425 | --bye-- |
| 6 | 49 | 1.639 | (5,0) | 0.639 | Wyoming | 31 to 17 | 134 | 155 |
| 7 | 36 | 1.791 | (6,0) | 0.791 | Air Force | 51 to 48 | 169 | 145 |
| 8 | 48 | 1.606 | (6,1) | 0.892 | Boise St | 31 to 56 | 33 | 50 |
| 9 | 43 | 1.670 | (6,1) | 0.955 | --bye-- |
| 10 | 57 | 1.501 | (6,2) | 1.001 | New Mexico | 35 to 40 | 59 | 51 |
| 11 | 51 | 1.570 | (7,2) | 1.015 | Colorado St | 42 to 10 | 162 | 173 |
| 12 | 43 | 1.648 | (8,2) | 1.048 | Utah St | 29 to 26 | 98 | 106 |
| 13 | 37 | 1.699 | (9,2) | 1.062 | Hawaii | 38 to 10 | 74 | 65 |
| 14 | 35 | 1.693 | (10,2) | 1.027 | Nevada | 42 to 17 | 159 | 163 |
| 15 | 46 | 1.628 | (10,3) | 1.089 | Boise St | 21 to 38 | 39 | 50 |
| 16 | 45 | 1.606 | (10,3) | 1.068 | --bye-- |
| 17 | 47 | 1.598 | (10,3) | 1.060 | --bye-- |
| 18 | 55 | 1.493 | (10,4) | 1.065 | Ohio | 10 to 17 | 74 | 74 |
| 19 | 53 | 1.491 | (10,4) | 1.062 | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |