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 07:51 PM CDT was:
  The skies were clear.
  Temperature: 90F ( 32C)  Dewpoint:  64F ( 18C)  Relative Humidity:  43%
  Winds from the SW (210 degs) at 14 mph.
  Pressure: 1011.6 millibars.  Altimeter:29.89 inches of mercury.
  The prevailing visibility was 10 miles.