National Weather Service Chicago Office | ORD Forecast


The National Weather Service Chicago is located in Romeoville, Illinois (next to Lewis University Airport), and is the weather forecast office responsible for monitoring weather conditions for 23 counties in Northern Illinois, the Chicago metropolitan area and Northwest Indiana.

The National Weather Service Chicago is located in Romeoville and is in charge of issuing local forecasts and weather warnings for the Chicago area.

The National Weather Service Chicago is one of only two National Weather Service offices in Illinois. The other National Weather Service office is the National Weather Service Office Central Illinois in Lincoln, Illinois.

NOAA Weather Radio
The National Weather Service Chicago Forecast Office in Romeoville, Illinois, currently provides programming for 11 NOAA Weather Radio stations.

KWO39 (162.55 MHz) provides regular 24-hour programming for the City of Chicago and nearby suburbs and serves marine interests on southern Lake Michigan and the Illinois and Indiana lake-shore. KWO39 also carries severe weather watches and warnings for Cook, DuPage, and Lake counties in Illinois, plus Lake and Porter counties in Indiana.

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