The Wildcats won 25-18, 25-22 and 25-17.
Jacy Arrigotti posted four aces for the Wildcats, while Alissa Wynn added eight digs and three aces.
Laura Borras had 11 digs, four kills and two aces. Jordan Netcott snagged pair of aces and digs, while Maizie Collins threw in five digs and an ace.
Also, Jaelyn Sundberg made 24 assists with five digs and Anastasia Trevino had 11 kills and two blocks.
Offensively, the Packers were led in service aces by Carle Bruggema with 2 and Marcy Tanner, Syd Moon, Lily Vandenberg and Baylah Parker each with 1 ace. Bruggema chipped in with 17 assists. Attack leaders included Tanner with 6 kills, Mia Clemence and Kendall Barnhart with 5 kills each.
Defensively, the Packers had 37 digs, led by Parker and Kenzie Gugins each with 7. Sage Vandenberg had 4 blocks while Taylor Waite and Mia Clemence each had 2.
Montague (3-9, 1-0) will travel to Shelby on Thursday.
Fremont will also hit the road on Thursday to face Ludington.