Surface observations

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


The weather observed at CHICAGO O'HARE, IL (KORD) at 05:51 PM CDT was:
  The skies were partly cloudy.
  Temperature: 79F ( 26C)  Dewpoint:  62F ( 17C)  Relative Humidity:  56%
  Winds from the E  (080 degs) at  8 mph.
  Pressure: 1017.0 millibars.  Altimeter:30.04 inches of mercury.
  The prevailing visibility was 10 miles.