The National Oceanic and Atmospheric Administration (NOAA) is a federal agency focused on the condition of the oceans and the atmosphere. It plays
several distinct roles within the Department of Commerce.
National Weather Service Home page. The starting point for official government weather forecasts, warnings, meteorological products for forecasting the weather, and information about meteorology.
The National Climatic Data Center (NCDC) is the world's largest active archive of weather data. NCDC produces numerous climate publications and responds to data requests from all over the world.