WMBI-FM is an FM Station broadcasting on 90.1 MHz in Chicago. WMBI-FM is owned and operated by the Moody Bible Institute and broadcasts from their campus in downtown Chicago, and transmitter facilities are located in Addison.

WMBI-FM is the flagship station of Moody Radio. Moody Radio owns and operates 37 stations around the country and the network provides programming to almost 400 affiliates around the country. WMBI-FM's format is Christian Talk and Teaching. Local programming includes The Morning Ride, and This is the Day with Nancy Turner. In addition to local programming, WMBI-FM carries a variety of talk shows originating at Moody Radio in Chicago including Midday Connection with Anita Lustrea and Melinda Schmidt, Chris Fabry Live! with Chris Fabry and In the Market with Janet Parshall.

WMBI-FM broadcasts three channels in the HD Radio format as HD1 - Moody Radio, HD2 - Majesty Radio, & HD3 - Radio Moody Espanol.[2]