National Climatic Data Center (NCDC)
The largest archive of weather data. Climate extremes, storm events database, etc. Also accepts telephone queries for historical weather info.
Disaster Information Network
Directs you to information about recent disaster situations and links to other relevant sites.
Intellicast USA Weather
Will it be 75 degrees and sunny? Check out this site to find the weather in your back yard.
Maps
World travel information with maps of major destinations. A quick way to get a map, weather, cultural information, etc., on any point on the globe.
Meteosat Images
Current weather satellite images.
National climate data
Click on “climatology” and look at the bottom of the page for historical charts for 300 places. These can be imported into a spreadsheet and ranked. For an example, look under snowfall on the sample files at Power Reporting.
Natural Disaster Database
Scientific studies and satellite maps on fires, eruptions, avalanches, tsunami, earthquakes, landslides, flooding, hurricanes, tornadoes, cyclones, lahars, drought, typhoons and diseases. Collected by NASA to promote the use of satellite remote sensing.
NWS Climate Table
Looking for weather trends in your area? Site has data on precipitation and temperature by month or season.
Science Dictionaries (OneLook)
From aquatic terms to math to weather.
Space Science and Engineering Center
The coolest weather imagery. From the University of Wisconsin.
The Daily Planet
Loads of weather images, guides, ec. From the University of Illinois at Urbana-Champaign.
USA Today Weather
Find local or international weather conditions. Site also contains links to satellite photos and information on common questions about the weather.
Weather Channel
Current weather conditions in the city of your choice, maps, top weather stories and special features.
Weather glossary
A popular, low-science, glossary. From Weather.com, which offers weather updates by e-mail, twice a day.
Weather Webliography
Links to various weather sites by category.
WxUSA US Weather Hub
WxUSA is a weather portal that offers local forecasts and weather maps along with extensive weather links for 1,500 U.S. cities and all 50 states.