The Badgers took a 41-35 lead into halftime, but fell behind by as much as nine points in the second half and could not come up with the big basket at the end.
Jon Tonje led the Badgers with 24 points and John Blackwell added 23 more.
Wisconsin now has a 15-4 record and a 5-3 mark in the Big Ten.
The Badgers return home to face the Nebraska Cornhuskers on Sunday at noon at the Kohl Center.
