NOAA National Weather Radio 
Nationwide network of radio stations broadcasting continuous weather information direct from a nearby National Weather Service office. NOAA Weather Radio broadcasts National Weather Service warnings, watches, forecasts and other hazard information 24 hours a day.
http://www.nws.noaa.gov/nwr/index.htmlWeather Audio Broadcast Network 
Offers selection of webcasts covering the latest weather events as well as links to NOAA live radio.
http://weatheraudio.net/
Noaa Weather Radio Live - Weather Information Network 
Listen to live noaa weather radio broadcasts from many U.S. Cities with your Real-Player.
http://broadcast-weather.net/noaa.html
The Barometer Bob Show 
Live audio weather broadcasts, special guests, weather personalities, weather events. Broadcast from Florida.
http://www.barometerbobshow.com
Weather Information Network 
Breaking weather news as it unfolds. Current conditions and real-time warnings. In RSS and html formats.
http://broadcast-weather.net/