| Year |
Regular-Season Champion |
Postseason Champion |
Championship Location |
| 1963-64 |
Montana State |
No Tourney |
No Tourney |
| 1964-65 |
Weber State |
No Tourney |
No Tourney |
| 1965-66 |
Weber State/Gonzaga |
No Tourney |
No Touney |
| 1966-67 |
Gonzaga/Montana State |
No Tourney |
No Tourney |
| 1967-68 |
Weber State |
No Tourney |
No Tourney |
| 1968-69 |
Weber State |
No Tourney |
No Tourney |
| 1968-70 |
Weber State |
No Tourney |
No Tourney |
| 1970-71 |
Weber State |
No Tourney |
No Tourney |
| 1971-72 |
Weber State |
No Tourney |
No Tourney |
| 1972-73 |
Weber State |
No Tourney |
No Tourney |
| 1973-74 |
Idaho State |
No Tourney |
No Tourney |
| 1974-75 |
Montana |
No Tourney |
No Tourney |
| 1975-76 |
Weber State/Boise State/Idaho State |
Boise State |
Ogden, Utah |
| 1976-77 |
Idaho State |
Idaho State |
Pocatello, Idaho |
| 1977-78 |
Montana |
Weber State |
Missoula, Mont. |
| 1978-79 |
Weber State |
Weber State |
Ogden, Utah |
| 1979-80 |
Weber State |
Weber State |
Ogden, Utah |
| 1980-81 |
Idaho |
Idaho |
Moscow, Idaho |
| 1981-82 |
Idaho |
Idaho |
Moscow, Idaho |
| 1982-83 |
Weber State/Nevada |
Idaho |
Reno, Nev. |
| 1983-84 |
Weber State |
Nevada |
Ogden, Utah |
| 1984-85 |
Nevada |
Nevada |
Boise, Idaho |
| 1985-86 |
Northern Arizona/Montana |
Montana State |
Reno, Nev. |
| 1986-87 |
Montana State |
Idaho State |
Flagstaff, Ariz. |
| 1987-88 |
Boise State |
Boise State |
Bozeman, Mont. |
| 1988-89 |
Boise State |
Idaho |
Boise, Idaho |
| 1989-90 |
Idaho |
Idaho |
Boise, Idaho |
| 1990-91 |
Montana |
Montana |
Missoula, Mont. |
| 1991-92 |
Montana |
Montana |
Missoula, Mont. |
| 1992-93 |
Idaho |
Boise State |
Moscow, Idaho |
| 1993-94 |
Weber State/Idaho State |
Boise State |
Boise, Idaho |
| 1994-95 |
Weber State/Montana |
Weber State |
Ogden, Utah |
| 1995-96 |
Montana State |
Montana State |
Bozeman, Mont. |
| 1996-97 |
Northern Arizona |
Montana |
Flagstaff, Ariz. |
| 1997-98 |
Northern Arizona |
Northern Arizona |
Flagstaff, Ariz. |
| 1998-99 |
Weber State |
Weber State |
Ogden, Utah |
| 1999-00 |
Montana |
Northern Arizona |
Missoula, Mont. |
| 2000-01 |
Cal State Northridge |
Cal State Northridge |
Northridge, Calif. |
| 2001-02 |
Montana State |
Montana |
Bozeman, Mont. |
| 2002-03 |
Weber State |
Weber State |
Ogden, Utah |
| 2003-04 |
Eastern Washington |
Eastern Washington |
Cheney, Wash. |
| 2004-05 |
Portland State |
Montana |
Portland, Ore. |
| 2005-06 |
Northern Arizona |
Montana |
Flagstaff, Ariz. |
| 2006-07 |
Weber State/Northern Arizona |
Weber State |
Ogden, Utah |
| 2007-08 |
Portland State |
Portland State |
Portland, Ore. |
| 2008-09 |
Weber State |
Portland State |
Ogden, Utah |
| 2009-10 |
Weber State |
Montana |
Ogden, Utah |
| 2010-11 |
Northern Colorado* |
Northern Colorado* |
Greeley, Colo. |
| 2011-12 |
Montana |
Montana |
Missoula, Mont. |
| 2012-13 |
Montana |
Montana |
Missoula, Mont. |
| 2013-14 |
Weber State |
Weber State |
Ogden, Utah |
| 2014-15 |
Montana |
Eastern Washington |
Missoula, Mont. |
| 2015-16 |
Weber State |
Weber State |
Reno, Nev. |
| 2016-17 |
North Dakota |
North Dakota |
Reno, Nev. |
| 2017-18 |
Montana |
Montana |
Reno, Nev. |
| 2018-19 |
Montana |
Montana |
Boise, Idaho |
| 2019-20 |
Eastern Washington |
N/A** |
Boise, Idaho |
| 2020-21 |
Southern Utah |
Eastern Washington |
Boise, Idaho |
| 2021-22 |
Montana State |
Montana State |
Boise, Idaho |
| 2022-23 |
Eastern Washington |
Montana State |
Boise, Idaho |
| 2023-24 |
Eastern Washington |
Montana State |
Boise, Idaho |
| 2024-25 |
Northern Colorado & Montana |
Montana |
Boise, Idaho |
* - Championship Vacated Due to NCAA Violations for Use of Ineligible Player
** - Championship Cancelled Due to COVID-19