Regular Season Champion

1963-64 Montana State
1964 Weber State
1965 Weber State, Gonzaga
1966 Gonzaga, Montana State
1967 Weber State
1968 Weber State
1969 Weber State
1970 Weber State
1971 Weber State
1972 Weber State
1973 Idaho State, Montana
1974 Montana
1975 Boise State, Weber State, 
     Idaho State
1976 Idaho State
1977 Montana
1978 Weber State
1979 Weber State
1980 Idaho
1981 Idaho
1982 Weber State, Nevada
1983 Weber State
1984 Nevada
1985 N. Arizona, Montana
1986 Montana State
1987 Boise State
1988 Boise State, Idaho
1989 Idaho
1990 Montana
1991 Montana
1992 Idaho
1993 Weber State, Idaho State
1994 Montana, Weber State
1995 Montana State
1996 N. Arizona
1997 N. Arizona
1998 Weber State
1999 Montana, E. Washington
2000 Cal State Northridge
2001 Montana State
2002 Weber State
2003 E. Washington
2004 Portland State
2005 N. Arizona
2006 N. Arizona, Weber St.
2007 Portland State
2008 Weber State

Conference Tournament Champion

1974-75 Boise State
1976 Idaho State
1977 Weber State
1978 Weber State
1979 Weber State
1980 Idaho
1981 Idaho
1982 Weber State
1983 Nevada
1984 Nevada
1985 Montana State
1986 Idaho State
1987 Boise State
1988 Idaho
1989 Idaho
1990 Montana
1991 Montana
1992 Boise State
1993 Boise State
1994 Weber State
1995 Montana State
1996 Montana
1997 N. Arizona
1998 Weber State
1999 N. Arizona
2000 Cal State Northridge
2001 Montana
2002 Weber State
2003 E. Washington
2004 Montana
2005 Montana
2006 Weber State
2007 Portland State
2008 Portland State