| 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 | Wisconsin Lutheran | 24 to 0 | 424 | 697 |
| 3 | 351 | 0.750 | (2,0) | -0.250 | Illinois College | 37 to 6 | 512 | 537 |
| 4 | 336 | 0.160 | (3,0) | -0.840 | Cornell IA | 41 to 7 | 535 | 639 |
| 5 | 375 | -0.033 | (3,0) | -1.033 | --bye-- |
| 6 | 393 | -0.129 | (4,0) | -1.129 | Knox | 50 to 0 | 705 | 736 |
| 7 | 490 | -0.443 | (5,0) | -1.443 | Lawrence | 76 to 0 | 757 | 761 |
| 8 | 510 | -0.503 | (6,0) | -1.503 | Grinnell | 47 to 0 | 745 | 749 |
| 9 | 577 | -0.726 | (6,1) | -1.441 | Ripon | 0 to 12 | 694 | 681 |
| 10 | 590 | -0.777 | (7,1) | -1.527 | Beloit | 41 to 0 | 754 | 753 |
| 11 | 614 | -0.884 | (7,2) | -1.440 | Monmouth IL | 14 to 16 | 560 | 527 |
| 12 | 632 | -0.969 | (7,3) | -1.369 | Chicago | 14 to 15 | 649 | 643 |
| 13 | 620 | -0.897 | (7,3) | -1.297 | --bye-- |
| 14 | 617 | -0.905 | (7,3) | -1.305 | --bye-- |
| 15 | 614 | -0.956 | (7,3) | -1.356 | --bye-- |
| 16 | 618 | -0.993 | (7,3) | -1.393 | --bye-- |
| 17 | 621 | -1.013 | (7,3) | -1.413 | --bye-- |
| 18 | 622 | -1.032 | (7,3) | -1.432 | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |