Schedule:
| Game | Date | Away Team (Rank) | Away Score | Home Team (Rank) | Home Score | Game Status | Result | Margin |
|---|---|---|---|---|---|---|---|---|
| 1 | 2018-08-30 | Western Illinois | 23 | Montana State | 26 | Final | W | 3 |
| 2 | 2018-09-08 | Montana State | 14 | South Dakota State | 45 | Final | L | -31 |
| 3 | 2018-09-15 | Wagner (219) | 24 | Montana State (170) | 47 | Final | W | 23 |
| 4 | 2018-09-22 | Montana State (170) | 43 | Portland State (249) | 23 | Final | W | 20 |
| 5 | 2018-09-29 | Eastern Washington (145) | 34 | Montana State (157) | 17 | Final | L | -17 |
| 6 | 2018-10-13 | Idaho (194) | 23 | Montana State (170) | 24 | Final | W | 1 |
| 7 | 2018-10-20 | Montana State (167) | 24 | Weber State (151) | 34 | Final | L | -10 |
| 8 | 2018-10-27 | Montana State (171) | 17 | Idaho State (136) | 24 | Final | L | -7 |
| 9 | 2018-11-03 | Cal Poly (203) | 42 | Montana State (171) | 49 | Final | W | 7 |
| 10 | 2018-11-10 | Northern Colorado (232) | 7 | Montana State (166) | 35 | Final | W | 28 |
| 11 | 2018-11-17 | Montana State (160) | 29 | Montana (168) | 25 | Final | W | 4 |
| 12 | 2018-11-24 | Incarnate Word (148) | 14 | Montana State (157) | 35 | Final | W | 21 |
| 13 | 2018-12-01 | Montana State (145) | 10 | North Dakota State (81) | 52 | Final | L | -42 |