Surface observations

Data from the National Weather Service, made available here by the UAlbany Department of Earth and Atmospheric Sciences


The weather observed at CHICAGO O'HARE, IL (KORD) at 09:51 AM CST was:
  The skies were clear.
  Temperature: 46F (  8C)  Dewpoint:  37F (  3C)  Relative Humidity:  71%
  Winds from the CLM(CLM degs) at  0 mph.
  Pressure: 1023.1 millibars.  Altimeter:30.20 inches of mercury.
  The prevailing visibility was 7 miles.