Regular Season Champion

1964 Montana State
1965 Weber State
1966 Weber State, Gonzaga
1967 Gonzaga, Montana State
1968 Weber State
1969 Weber State
1970 Weber State
1971 Weber State
1972 Weber State
1973 Weber State
1974 Idaho State, Montana
1975 Montana
1976 Boise State, Weber State, 
     Idaho State
1977 Idaho State
1978 Montana
1979 Weber State
1980 Weber State
1981 Idaho
1982 Idaho
1983 Weber State, Nevada
1984 Weber State
1985 Nevada
1986 N. Arizona, Montana
1987 Montana State
1988 Boise State
1989 Boise State, Idaho
1990 Idaho
1991 Montana
1992 Montana
1993 Idaho
1994 Weber State, Idaho State
1995 Montana, Weber State
1996 Montana State
1997 N. Arizona
1998 N. Arizona
1999 Weber State
2000 Montana, E. Washington
2001 Cal State Northridge
2002 Montana State
2003 Weber State
2004 E. Washington
2005 Portland State
2006 N. Arizona
2007 N. Arizona, Weber State
2008 Portland State

Conference Tournament Champion

1976 Boise State
1977 Idaho State
1978 Weber State
1979 Weber State
1980 Weber State
1981 Idaho
1982 Idaho
1983 Weber State
1984 Nevada
1985 Nevada
1986 Montana State
1987 Idaho State
1988 Boise State
1989 Idaho
1990 Idaho
1991 Montana
1992 Montana
1993 Boise State
1994 Boise State
1995 Weber State
1996 Montana State
1997 Montana
1998 N. Arizona
1999 Weber State
2000 N. Arizona
2001 Cal State Northridge
2002 Montana
2003 Weber State
2004 E. Washington
2005 Montana
2006 Montana
2007 Weber State
2008 Portland State