Surface observations

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

The weather observed at ST. LOUIS, MO (KSTL) at 05:51 PM CDT was:
  The skies were mostly cloudy.
  Temperature: 84F ( 29C)  Dewpoint:  63F ( 17C)  Relative Humidity:  48%
  Winds from the SSE(160 degs) at 14 mph.
  Pressure: 1010.3 millibars.  Altimeter:29.86 inches of mercury.
  The prevailing visibility was 10 miles.