[1] Williams moved up to the NCAA Division II ranks as head coach at Wayne State College in Nebraska in 1998.

In ten seasons with Wayne State, Williams led the team to two NCAA Tournaments (2006 and 2008) and earned Northern Sun Intercollegiate Conference Coach of the Year honors in 2006 for Wayne State's first NCAA Tournament appearance in history.

In Williams's last season as head coach in 2011–12, South Dakota reached a 23–8 record and WNIT appearance, the most success for the program in its Division I era.

Colorado State won the MW regular season and made the WNIT again in 2014–15.

In 2015–16, Colorado State finished first in the MW for the third straight season, this time with an 18–0 conference record.