NOAA: The National Oceanic and Atmospheric Adminstration's site contains information about weather and weather-related events, as well as disaster-preparedness information, educational activities, and more.
Weather.gov: The National Weather Service's information service, this site offers up to the minute forecasts, weather-related news, and severe weather information.
Bureau of Labor Statistics: Site of the U.S. Government's principal fact-finding agency in the fields of labor and economics.
County Business and Demographics: Annual statistics and data from the US Census Bureau.
2007 Economic Census: Conducted every five years, the Economic Census gathers information from businesses across the United States.
Occupational Outlook Handbook: This incredibly detailed online resource offers information about hundreds of occupations and, for each occupation, includes job growth outlook, average salary, training required, and more.