AccuWeather.com - Pennsylvania Weather
5-Day weather forecasts, maps, radar and satellite images for hundreds of Pennsylvania zip codes.
Pennsylvania Tornadoes
Listing of all tornadoes by county from 1950 to 1995.
Pennsylvania Weather Connections
Academic resources. Includes current conditions, forecasts and climatological data.
WxUSA - Pennsylvania
Index of links for WxUSA Weather pages for localities in the state. Pages include links to current conditions, forecasts, radar, maps, weather cams, kid's weather, and hurricane links for each city.