Hailey Hartney scored 23 point to lead the Thunder to a road victory.
Emily Moore went 4-for-4 from 3-point range and had 14 points for Mountain View. Christina Lundy added 11 points.
The Thunder led 32-21 at halftime after outscoring Graham-Kapowsin 23-9 in the second quarter.
MOUNTAIN VIEW 59, GRAHAM-KAPOWSIN 50
MOUNTAIN VIEW — Emily Moore 14, Christina Lundy 11, Kaleigh Carlson 0, Eva Winsheimer 0, Katie Hurst 5, Sydney Sullivan 2, Addie Malby 4, Hailey Hartney 23, Dominique Foulks 0. Totals 17 (7) 18-35 59.
GRAHAM-KAPOWSIN — Reich 10, Scacciotti 12, McLeod 9, Tolson 7, Quillen 8, Haegle 2, Headley 2. Totals 20 (0) 10-18 50.
Mtn View 9 23 17 10—59
Graham-Kapowsin 12 9 19 10—50
JV — Graham-Kapowsin won
