911Weather
   Provides notification via fax, e-mail or pager of real-time National Weather Service watches and warnings.
   http://911weather.com/

AccuWeather
   Over 45,000 US locations available by zip code. There are also a large number of forecasts for locations around the world.
   http://www.accuweather.com/

America's Weather
   Where to go for weather radar, satellite, difax, forecasts, snow maps, lightning, surface maps, warnings, upper air maps, news, tropical weather. Get your states weather information local forecasts, state warnings and watches zone forecasts, summaries.
   http://www.americasweather.com

EarthWatch - Weather On Demand
   The first 3D weather web site giving you continuously updated satellite, radar, forecasts and 3D fly-throughs. StormWatch severe weather watches, warnings & advisories updated every 10 minutes.
   http://www.earthwatch.com

Find Local Weather
   Look up weekly forecasts by city or zip code.
   http://www.findlocalweather.com/

Lightning Explorer - Vaisala Inc.
   Map of the 48 contiguous states shows the locations of lightning strikes over the past two hours.
   http://www.lightningstorm.com/ls2/gpg/lex1/mapdisplay_free.jsp?jrunsessionid=1016257034418145792

Live Weather Images
   This site pulls together the best and most frequently accessed weather data on the Internet, and puts it all into one easy to use page.
   http://www.weatherimages.org/

National Environmental and Meteorological Association, Inc.
   Organization engaged in the dissemination of severe weather information, primarily in the northeastern states. Site also includes long-range forecasts for the region.
   http://www.nemas.net/

National Weather Service Internet Weather Source
   Starting point for official government weather forecasts, warnings, and meteorological products for forecasting the weather.
   http://weather.noaa.gov/

Qwikcast.com
   Interactive weather site providing worldwide weather information to help plan the day, week, month.
   http://www.qwikcast.com/

The Amateur Weather Network
   Up-to-date weather forecasts and conditions for the entire US and Canada are available as well as a free amateurweather.net webmail address!
   http://www.amateurweather.net

The Old Farmer's Almanac Long-range Weather Forecasts
   A folksy approach to weather that has been around for over 100 years.
   http://www.almanac.com/weather/index.php

The Weather Channel
   Offers forecasts for cities worldwide as well as radar and satellite maps. Also includes news stories and allergy information.
   http://www.weather.com/

Time and Weather
   Weather for over 25,000 US locations by zip code or city name. Site includes timezones, current weather conditions, international weather, UV forecasts, radar maps, watches and warnings.
   http://www.timetemperature.com/

UM Weather
   The University of Michigan at Ann Arbor's weather lab is among the pioneers of online weather products, including the excellent Weather Underground site.
   http://cirrus.sprl.umich.edu/wxnet/

WXnation
   A compilation of links to Doppler radars, traffic and live cams, as well as local weather forecasts and airport delays for the major US cities.
   http://www.wxnation.com/

Weather Underground
   Forecasts for cities, states and regions; U.S. weather maps, including radar maps, satellite imagery, fronts, and UV forecasts; and extensive related information.
   http://www.weatherunderground.com/

Weather Watch, Warning and Advisory Display
   National Weather Service Storm Prediction Center severe weather information.
   http://www.spc.noaa.gov/products/wwa/index.shtml

WeatherLook.net
   A fast look at updated weather forecast and conditions by state.
   http://weatherlook.net/

WeatherPages.com
   Weather forecasts and conditions by region, state and city.
   http://www.weatherpages.com/

WeatherRoom
   Weather maps, forecasts, and information for the United States and Canada.
   http://www.weatherroom.com/

WeatherUSA.net
   Weather information for the United States, including current conditions, lightning data, forecasts, SkyCams, weather warnings.
   http://www.weatherusa.net/

WeatherVision
   Streaming video forecasts for U.S. cities. TV weather forecasts on demand.
   http://www.weathervision.com/

Weatherbug
   Free downloadable software provides your local weather forecast and weather report.
   http://www.weatherbug.com/

Wx.com
   Weather experts providing 3-D weather radar and satellite images, national weather headlines and customized weather forecasts.
   http://www.wx.com/

WxUSA
   Weather links for 1500 US cities.
   http://www.wxusa.com/

weatherOnline!
   Weather forecasts reports and graphics for the US by entering city and state or zip code.
   http://www.weatheronline.com/