Bolomboy is second in the nation with 13.3 rebounds per game and notched his 19th double-double in 21 games for Weber State (15-6, 7-1 Big Sky). He's tied with New Mexico State's Pascal Siakam for the most double-doubles in college basketball.
Richardson made 4 of 5 3-pointers and 5 of 7 overall.
Southern Utah (4-15, 2-7) started 3 of 15 from the field and finished the first half shooting 25 percent and trailing 45-16. The Thunderbirds tied a season low with three 3-pointers made.
Weber State has won two in a row after suffering its first conference loss to Idaho State in a 69-68 buzzer-beating defeat last Saturday.