D.C. Listing of Tornadoes - Tornado occurrences in DC. From the National Weather Service. - http://www.erh.noaa.gov/er/lwx/Historic_Events/DC-tornado-events.htm
AccuWeather - Current conditions, forecasts, maps, radar and satellite images. - http://wwwa.accuweather.com/index-forecast.asp?partner=accuweather&myadc=0&traveler=1&zipcode=20003&metric=0
WeatherStreet.com - Includes current conditions, forecasts, local radar and satellite image. - http://weatherstreet.com/local_forecast_files/KDCA.htm
Capital Weather - Blog offers information and forecasts. Includes archives. - http://www.capitalweather.com
National Weather Service - Includes seven-day forecast, current conditions and radar and satellite images. Features river levels, marine forecasts and climate summaries. - http://www.crh.noaa.gov/forecasts/DCZ001.php?warncounty=DCC001&city=Washington
WeatherCentral - Current conditions, seven day forecasts, area weather maps and satellite pictures. - http://www.weathercentral.com/weather/us/cities/dc_washington.html
Yahoo! - Current conditions, five-day and extended forecasts, maps, images, and radar. - http://weather.yahoo.com/forecast/USDC0001_f.html
WxUSA - Local forecast and links to radar, maps, weather cams, kid's weather, and other relevant information - http://www.wxusa.com/DC/Washington/