Weather.com is The Weather Channel online. It provides forecasts, maps, radars, as well as tons of other weather related information and resources.
Weather Underground is a one-stop destination for everything you need to know about weather. In addition to forecasts and satellites, this site provides weather records, local news, astronomy info and more.
The Commercial Appeal, Memphis' daily newspaper, offers at-a-glance forecasts, neighborhood radars, and airport delays.
The WMC (also known as Channel 5) website offers an in depth look at weather in the Memphis area. It also provides up-to-the-minute information on local weather events (storms, snow, etc.).
Channel 3's website provides at-a-glance forecasts and up-to-the-minute information on urgent weather events.
ABC 24's website also offers at-a-glance forecasts, a weather day planner, and overviews of the weather in cities across the nation.
Even without Internet access you can access the weather forecast right from your phone by dialing (901) 526-5261.