Logan Galbraith added 11 points for the Tigers, Keagan Downey had nine points and Jacob Wagner had seven.
Riley Hudson offered a spark off the bench with six points and a team-high five rebounds. Hudson had four offensive rebounds.
“Riley is a good athlete who works hard,” Gish said. “He understands the press well so he can really give us a nice lift defensively. With his length and athleticism, he gives the opposition problems.”
Alex Borse led the Warriors (3-13) with 11 points and five boards.
Northwestern has three regular-season games remaining. The Tigers host Eastern on Friday, visit Oak Hill on Tuesday and then host Mississinewa on Wednesday.
Northwestern had a pair of three-game winning streaks earlier in the season. Gish hopes Wednesday’s win sparks another happy streak with sectional play looming.
“We feel like it’s important for us to continue to build on the momentum we had, show some good things offensively in terms of moving the basketball, and then let our defensive pressure be applied to the opposition,” Gish said.