WXXM (92.1 MHz) is a commercial FM radio station licensed to Sun Prairie, Wisconsin, and serving the Madison metropolitan area. The station is owned and operated by iHeartMedia, and broadcasts an adult hits radio format, switching to Christmas music for much of November and December. The station is noted for its runs as an alternative rock station during the 1980s and 1990s and as a progressive talk station in the 2000s and 2010s. WXXM's studios and offices are located on Fish Hatchery Road in the Madison suburb of Fitchburg, and has a transmitter located off Brooks Drive in Sun Prairie.