Interactive Weather Information Network
Geographical list of weather watches and warnings, weather summaries, and short- and long-term weather forecasts. Updated every 60 seconds. From the National Weather Service.
United States Interactive Climate Pages
This page from NOAA contains two handy utilities: one graphs daily and monthly weather data (temperature, precipitation, wind speeds, etc.) for hundreds of U.S. cities back to 1961 and the other maps historical weather data for the country back to 1895.
Weather Channel
Today's, tomorrow's, and extended forecasts. Includes local, regional, and national doppler radar maps.
Other weather forecast sources:
