Bamforth had eight points in a 14-2 run beginning the second half for the Wildcats (11-3, 6-0 Big Sky), who have won seven in a row.
The teams played even most of the first half, battling to six lead changes and five ties. The Wildcats led 28-26 at halftime.
Weber State had a 33-20 rebounding advantage for the game, led by Kyle Tresnak with nine.
The Wildcats shot 55.8 percent from the field, making 24 of 43 shots. They were 10 of 20 from behind the 3-point line. The Bengals shot 40 percent and made 2 of 10 from beyond the arc.
With intel from NBA GMs, Chad Ford checks in with the draft tier rankings. See how all the top prospects shake out in the eyes of NBA teams.
We have changes at the top of the draft and a shakeup in the lottery, with teams starting to make their final decisions. Get the latest in Chad Ford's mock draft.
Duke freshman point guard Derryck Thornton Jr. is transferring to USC, his father announced on Friday to Scout.com.