I saw the following weather sources linked in another news article, figured I would share them in case anyone cares
http://weather.gov/alerts/ (RSS & XML)
http://weather.gov/data/current_obs/ (RSS & XML)
http://weather.gov/forecasts/xml/ (RSS & XML)

http://weather.gov/alerts/ (RSS & XML)
http://weather.gov/data/current_obs/ (RSS & XML)
http://weather.gov/forecasts/xml/ (RSS & XML)