National Geographic - Forces of Nature - Learn about earthquakes, volcanoes, tornadoes, and hurricanes through maps, photos, and 3D animations. - http://www.nationalgeographic.com/forcesofnature/
Web Weather for Kids - Atmospheric science experiments. Create a thunderstorm, lightning, tornadoes right in your classroom or at home. - http://eo.ucar.edu/webweather/
Hurricane and Natural Disaster Brochures - Contains background information about hurricanes and other weather phenomenon. - http://www.aoml.noaa.gov/general/lib/hurricbro.html
Hail Storms - Pictures of large hail, after a hail storm, and interesting clouds. - http://www.chaseday.com/hail.htm
Storms of the Century - Themed around the savage planet, find out about extratropical storms. - http://www.pbs.org/wnet/savageplanet/
Severe Storm Laboratory - Questions and answers on tornadoes, hurricanes, lightning and thunderstorms. - http://www.nssl.noaa.gov/edu/
FEMA for Kids - Weather Disasters - Fun interactive site with plenty of information, puzzles and games for young children. Find out how to make a disaster kit. - http://www.fema.gov/kids/
Kidstorm - Part of Sky Diary. Explains tornadoes, lightning, hurricanes, and storm chasing to kids. - http://skydiary.com/kids/