Malik Story also scored in double figures for the Wolf Pack, finishing with 16.
Nevada shot 50 percent the field, including 10 of 19 from beyond the 3-point line, and held Montana to 38.6 percent shooting.
Montana led by 10 late in the first half before Nevada closed the half with an 8-0 run to make it 34-32 Montana at halftime.
The Wolf Pack opened the second half with an 18-5 run, sparked by three 3-pointers from Story, to take a 49-39 lead with 13:31 left. Montana closed to within six points with 11:35 to play but couldn't get any closer.