AccuWeather.com - Local weather information, including 5-day weather forecasts, extended weather forecasts, doppler radar and satellite images for around the world and 43,000 US locations.
Intellicast.com - Stick with the weather the pros use. Get free, 24X7 weather brought to you by WSI - the source for weather servicing Time Warner, CNN, NBC, the FAA, hundreds of TV stations, and the nation's top airlines.
National Data Buoy Center - The premiere source of meteorological and oceanographic measurements for the marine environment.
National Hurricane Center - The national weather service tropical prediction center.
The Weather Channel - Weather forecast for anywhere in the United States.