| 09/03/05 | at | Troy | 10-27 |
| 09/10/05 | hosting | Sacramento State | 37-13 |
| 09/17/05 | hosting | Montana State | 38-10 |
| 09/24/05 | at | South Dakota St | 24-16 |
| 10/01/05 | at | Northern Colorado | 31-14 |
| 10/08/05 | hosting | North Dakota St | 37-6 |
| 10/22/05 | at | Montana | 27-36 |
| 10/29/05 | at | UC-Davis | 13-20 |
| 11/05/05 | hosting | Eastern Washington | 40-35 |
| 11/12/05 | hosting | Southern Utah | 20-10 |
| 11/19/05 | hosting | Idaho State | 35-10 |
| 11/26/05 | at | Montana | 35-21 |
| 12/03/05 | at | Texas St-San Marcos | 7-14 |