Kareem Jamar had 11 points, seven rebounds and seven assists for the Grizzlies (13-4, 9-0), which moved into sole possession of first place in the Big Sky Conference after Weber State lost 79-74 at Montana State. Montana hosts Weber State on Saturday.
Idaho State led 31-29 at halftime, but Montana's 17-4 run to start the second half put the Grizzlies in control. The Bengals got no closer than nine the rest of the way.
Montana improved to 95-44 all-time against Idaho State and has won the last six meetings between the schools.
Former Kentucky guard Ed Davender, the only Wildcat with at least 1,500 points and 400 assists, has died. He was 49.
Guard Naz Mitrou-Long, whose 2015-16 season ended in December due to hip problems, has been granted a hardship waiver for the coming season, Iowa State said.
As the Sooners look to life without superstar Buddy Hield and his sidekicks, it's clear their unseasoned players will need to grow up fast.