National

National Hurricane Center’s Tropical Prediction Center, THE most up-to-date forecast and tracking information.
http://www.nhc.noaa.gov/

National Weather Service - National Oceanic and Atmospheric Administration, view conditions in 50 States
www.nws.noaa.gov/  

FEMA’s  “Are You Ready” Program Site - Emergency Management Agency information on disasters, how to prepare, and how to recover.
www.fema.gov/areyouready/

U.S. Dept. of Homeland Security, Business emergency planning, Emergency Supply Lists and Kits, etc.
http://www.ready.gov/

American Red Cross Disaster Services.  Choose "Prepare for Emergencies" from the dropdown list under the "Preparing & Getting Trained" tab, then choose "hurricanes".  Emergency shelter information is also available.
http://www.redcross.org/

USA gov, Hurricanes -- Hurricane preparedness, state emergency
http://www.usa.gov/Topics/Weather/Hurricane.shtml

Coastal States Emergency Mgt.

http://www.ema.alabama.gov/       - Alabama

http://www.floridadisaster.org/        - Florida

http://www.gema.ga.gov/               - Georgia

http://www.loep.state.la.us/            - Louisiana

http://www.msema.org/                  - Mississippi

http://www.ncem.org/                     - North Carolina

http://www.scemd.org/                    - South Carolina

http://www.txdps.state.tx.us/dem     - Texas

http://www.vaemergency.com/          - Virginia