The Blue Jays surrendered three first-half goals in bowing to the Vikings 4-0 on Saturday.
Sophomore forward Michael Brazinski's goal on an assist by senior midfielder Danilo Panici gave Augustana a 1-0 lead in the eighth minute.
Sophomore midfielder Michael Roth assisted on goals by junior defender Anthony D'Angelo in the 38th and 44th minute, respectively to give the Vikings a 3-0 halftime advantage.
Brazinski's corner kick in the 55th minute led to a goal by sophomore midfielder Daniel Fieseler for Augustana's final tally.
Westminster (2-5) was outshot on goal 7-3, while sophomore goalkeeper Raul Belman Romero tied for the game high with three saves.
The Blue Jays play at Simpson (Iowa) College at 5 p.m. tonight.