• sources
  • NCAR (National Center for Atmospheric Research
  • College of DuPage — analysis, forecast
  • University of Illinois at Urbana-Champaign
  • Unisys
  • University of Wisconsin-Madison
  • The Weather Channel
• community sites
  • weathermatrix.net
  • wxnation.com
• "hubs" (sites that don't themselves produce information, but rather link to many other places that do)
  • stansweather.net
  • weather.cod.edu