year  held                                         Winner
1976: Wildcat Gym, Ogden, Utah                     Boise State 
1977: ISU Minidome, Pocatello, Idaho               Idaho State 
1978: Dahlberg Arena, Missoula, Montana            Weber State 
1979: Dee Events Center, Ogden                     Weber State 
1980: Dee Events Center, Ogden                     Weber State 
1981: Kibbie Dome, Moscow, Idaho                   Idaho 
1982: Kibbie Dome, Moscow, Idaho                   Idaho
1983: Centennial Coliseum, Reno, Nevada            Weber State 
1984: Dee Events Center                            Nevada 
1985: BSU Pavilion, Boise, Idaho                   Nevada 
1986: Lawlor Events Center, Reno                   Montana State 
1987: Walkup Skydome, Flagstaff, Arizona           Idaho State 
1988: Brick Breeden Fieldhouse, Bozeman, Montana   Boise State 
1989: BSU Pavilion,  Boise, Idaho                  Idaho 
1990: BSU Pavilion, Boise, Idaho                   Idaho 
1991: Dahlberg Arena, Missoula, Montana            Montana 
1992: Dahlberg Arena, Missoula, Montana            Montana 
1993: Kibbie Dome, Moscow, Idaho                   Boise State 
1994: BSU Pavilion, Boise, Idaho                   Boise State 
1995: Dee Events Center                            Weber State 
1996: Brick Breeden Fieldhouse                     Montana State 
1997: Walkup Skydome, Flagstaff, Arizona           Montana 
1998: Walkup Skydome, Flagstaff, Arizona           Northern Arizona 
1999: Dee Events Center                            Weber State 
2000: Dahlberg Arena, Missoula, Montana            Northern Arizona 
2001: Matadome, Northridge, California             Cal State Northridge 
2002: Brick Breeden Fieldhouse                     Montana 
2003: Dee Events Center                            Weber State 
2004: Reese Court, Cheney, Washington              Eastern Washington 
2005: Memorial Coliseum, Portland, Oregon          Montana 
2006: Walkup Skydome                               Montana 
2007: Dee Events Center                            Weber State
2008: Rose Garden (Portland, OR)                   Portland State

*Since 2000 all first round games are played at the campus's of each school.
Winner           Championships
Weber State        8
Montana            6
Boise State        4
Idaho              4
Idaho State        2
Montana State      2
Nevada             2
Northern Arizona   2
Cal St-Northridge  1
Eastern Washington 1
Portland State     1

Host city            times hosting
Ogden, UT            7
Missoula, MT         4
Flagstaff, AR        4
Moscow, ID           3
Boise, ID            3
Portland, OR         2
Bozeman, MT          2
Reno, NV             2
Pocatello, ID        1
Northridge, CA       1
Cheany, WA           1