The Golden Eagles (3-5) got 17 points from Allazia Blockton, leading a total of four players in double figures.
Nicole Bauman scored a game-high 18 points for the Badgers (3-5). The Badgers lost to Marquette for the first time in the last four games.
Marquette out-rebounded the Badgers 50-35 in the win.
Green Bay earns road win
Allie LeClaire scored a career-high 30-points and the Green Bay Phoenix (4-2) rolled to a 86-61 win over the Drake Bulldogs (6-2) in Des Moines, Iowa.
LeClaire hit 9 of 14 from the field, including 8 of 10 three-pointers. She also added career highs with eight rebounds and five steals.
Northwestern 69, Milwaukee 44