Ridgewood High School in Norridge, Illinois has a 365 day a year radio station that plays adult hits and yesterday's favorites. Better Variety, More Music. Playing What We Want... Jack FM. 89.7 FM WRHS Norridge. Once an hour, there is there is a Chicago weather forecast. On weekdays there is Extremely Local News from The Ridgewood Report plus National, World News and Sports from USA News Network.