| 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 | Benedictine IL | 42 to 41 | 424 | 648 |
| 3 | 650 | -2.864 | (1,1) | -2.864 | Hope | 28 to 42 | 635 | 359 |
| 4 | 570 | -0.869 | (2,1) | -1.202 | Luther | 44 to 29 | 725 | 737 |
| 5 | 597 | -0.922 | (2,2) | -0.922 | Dubuque | 23 to 35 | 596 | 545 |
| 6 | 617 | -0.973 | (2,2) | -0.973 | --bye-- |
| 7 | 631 | -0.999 | (2,3) | -0.799 | Central IA | 14 to 38 | 407 | 425 |
| 8 | 599 | -0.853 | (3,3) | -0.853 | Nebraska Wesleyan | 41 to 38 | 612 | 647 |
| 9 | 583 | -0.746 | (3,4) | -0.603 | Wartburg | 7 to 62 | 312 | 269 |
| 10 | 564 | -0.668 | (4,4) | -0.668 | Buena Vista | 49 to 21 | 714 | 684 |
| 11 | 551 | -0.630 | (5,4) | -0.741 | Simpson | 82 to 16 | 665 | 662 |
| 12 | 559 | -0.663 | (5,5) | -0.663 | Coe | 14 to 54 | 360 | 402 |
| 13 | 565 | -0.665 | (5,5) | -0.665 | --bye-- |
| 14 | 546 | -0.645 | (5,5) | -0.645 | --bye-- |
| 15 | 544 | -0.685 | (5,5) | -0.685 | --bye-- |
| 16 | 550 | -0.732 | (5,5) | -0.732 | --bye-- |
| 17 | 557 | -0.753 | (5,5) | -0.753 | --bye-- |
| 18 | 557 | -0.772 | (5,5) | -0.772 | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |