Provides notification via fax, e-mail or pager of real-time National Weather Service watches and warnings.

Over 45,000 US locations available by zip code. There are also a large number of forecasts for locations around the world.

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.

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.

Map of the 48 contiguous states shows the locations of lightning strikes over the past two hours.

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.

Starting point for official government weather forecasts, warnings, and meteorological products for forecasting the weather.

Interactive weather site providing worldwide weather information to help plan the day, week, month.

The site contains astro and weather photo galleries, forecasts, message boards, and chat.

Up-to-date weather forecasts and conditions for the entire US and Canada are available as well as a free amateurweather.net webmail address!

A folksy approach to weather that has been around for over 100 years.

Offers forecasts for cities worldwide as well as radar and satellite maps. Also includes news stories and allergy information.

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.

The University of Michigan at Ann Arbor's weather lab is among the pioneers of online weather products, including the excellent Weather Underground site.

Weather history data including temperature, relative humidity, precipitation, cloudiness and weather extremes in tabular and graphical formats.

Forecasts for cities, states and regions; U.S. weather maps, including radar maps, satellite imagery, fronts, and UV forecasts; and extensive related information.

National Weather Service Storm Prediction Center severe weather information.

Free downloadable software provides your local weather forecast and weather report.

A fast look at updated weather forecast and conditions by state.

Weather forecasts reports and graphics for the US by entering city and state or zip code.

Weather forecasts and conditions by region, state and city.

Weather maps, forecasts, and information for the United States and Canada.

Weather information for the United States, including current conditions, lightning data, forecasts, SkyCams, weather warnings.

Organization engaged in the dissemination of severe weather information, primarily in the northeastern states. Site also includes long-range forecasts for the region.

Station listings including technical data, expansion information, coverage information, listener reports.