Live weather forecast images geared towards the layperson. Sites dealing with in-depth or scientific information are connected via @link to categories under Science/Earth_Sciences/Meteorology/Imagery.
The latest doppler radar images in the United States from the National Weather Service, including national composites and one hour radar loops. http://weather.noaa.gov/radar/national.html
A new picture of weather phenomena is presented daily, includes details, photo gallery, free website content, free daily picturemail, and the chance to submit your own pictures. http://www.weatherpictureoftheday.com/