Illinois Weather Trivia for November 21st

Central Illinois averages about 20 days a year where dense fog reduces visibility to 1/4 mile or less. However, the foggiest areas of the country are in the far western U.S., in mountain valleys and along the coast, in the Appalachian Mountains of the eastern U.S., and in southwestern New England. These areas usually see at least 80 days a year with dense fog. is the U.S. government's official web portal to all federal, state and local government web resources and services.
  • Web Site Owner:
  • National Weather Service
  • Central Illinois Weather Forecast Office
  • 1362 State Route 10
  • Lincoln, IL 62656
  • 217-732-3089 (8:30 am to 4 pm)
  • Page Author: ILX Webmaster
  • Web Master's E-mail:
  • Page last modified: 13-Sep-2010 5:47 PM UTC