Glacier capitalized on low-scoring first and fourth quarters by Polson to run off with the non-conference victory.
Polson trailed 19-8 after the first quarter and was outscored in the fourth 10-4.
Polson did rattle off 23 points in the third quarter.
Glacier was led by Caden Harkins, who tallied 14 points. Alex Whitman netted 12 and Drew Engellant 10.
Shade Main had 18 points for Polson.
Glacier 19 17 17 10 — 63
Polson 8 13 23 4 — 48
GLACIER — Caden Harkins 14, Collin Kazmier 7, Kody Jarvis 8, Drew Engellant 10, Alex Whitman 12, Nick Whitman 7, A.J. Grande 2.
POLSON — Robin Erickson 6, Connor Lanier 4, Shade Main 18, Trevor Schultz 3, Sam Schultz 4, Weston Danley 8, Micah Askan 5.