NOAA's National Weather Service Weather Forecast Office

Rockford

Preliminary Current Month to Date:   O'Hare    Rockford
     How to read this form

  From the NWS IWIN site
     Illinois State Climate Summaries
     Indiana State Climate Summaries

 Cooperative Observer Data

 Regional Temperature and Precipitation Roundup for Northern Illinois and Northwest Indiana
   Data provided by National Weather Service Cooperative Observers
    issued around 830 am and again at 10 am

Monthly Climate Data from NWS Chicago Cooperative Observers

COOP Data / Record of Climatological Observation Forms (B-91s)
You need to use Internet Explorer with this page

Regional CoCoRaHS Precipitation Roundup for Northern Illinois and Northwest Indiana

 Miscellaneous Climate Info

 Frost and Freeze data for all states

 Archived Climate Data and other Useful Links:

 Looking for weather information from the past?
 Learn how to obtain official historical climate data.