National Weather Service Weather Forecast Office

Hourly weather conditions in Illinois and surrounding states
Illinois State Weather Roundup
Indiana State Weather Roundup
Wisconsin State Weather Roundup
Michigan State Weather Roundup
Iowa State Weather Roundup

Hourly marine weather conditions

24 hour Summaries and Current Conditions:
The following links will take you to the NWS Internet Weather Source site.
http://weather.noaa.gov/

• Chicago O'Hare International
• Chicago Midway
• West Chicago/DuPage County
• Wheeling/Palwaukee
• Aurora/Sugar Grove
• Waukegan
• Gary Indiana
• Valparaiso Indiana
• Rockford/Greater Rockford Airport
• Sterling-Rock Falls/Whiteside County Regional

Temperature and/or Precipitation Data from the Public

• Regional Temperature and Precipitation Data from our COOP Observers
• Precipitation Data from our CoCoRah Observers

Web Camera views of Lake Michigan

• Muskegon Harbor
• Chicago's Harrison-Dever Crib

Surface Maps

Latest Surface Analysis

Current Satellite/Surface Analysis