The Wildcats forced a season-high 22 turnovers.
Cameron Tyson had 17 points for the Vandals (5-25, 2-17). Jared Rodriguez added 10 points. Scott Blakney had 10 points.
The Wildcats improve to 2-0 against the Vandals this season. Weber State defeated Idaho 93-87 on Dec. 31. Weber State finishes out the regular season against Eastern Washington at home on Saturday. Idaho finishes out the regular season against Idaho State on the road on Saturday.