| 9/3/2015 | Fort Lewis (7-4) | 14 | at | Montana State | 45 | RMAC (D2) | ||
| 9/19/2015 | Montana State | 50 | at | Eastern Washington (6-5,6-3) | 55 | |||
| 9/26/2015 | Cal Poly (4-7,4-5) | 28 | at | Montana State | 45 | |||
| 10/3/2015 | Montana State | 41 | at | Northern Arizona (7-4,5-3) | 49 | |||
| 10/10/2015 | Sacramento State (2-9,1-8) | 13 | at | Montana State | 35 | |||
| 10/17/2015 | Montana State | 42 | at | Portland State (8-3,5-2) | 59 | |||
| 10/24/2015 | East Tennessee St (2-9) | 7 | at | Montana State | 63 | IndFCS | ||
| 10/31/2015 | Montana State | 38 | at | North Dakota (7-4,5-3) | 44 | |||
| 11/7/2015 | Southern Utah (8-3,7-0) | 34 | at | Montana State | 23 | |||
| 11/14/2015 | Montana State | 44 | at | Idaho State (2-9,1-7) | 20 | |||
| 11/21/2015 | Montana (8-5,6-3) | 54 | at | Montana State | 35 |
| vs Montana State | vs Other Opponents | Montana State compared to OOs | |
| Record: | 6-5 | 55-57 | |
| Points Scored: | 34.27 | 29.44 | -4.83 |
| Points Allowed: | 41.91 | 29.73 | 12.18 |
| Margin: | -7.64 | -0.29 | 7.35 |
| Total Points: | 76.18 | 59.17 | 17.01 |