Aviation Digital Data Service (ADDS)

Output produced by METARs form (0231 UTC 21 November 2017)
found at http://www.aviationweather.gov/adds/metars/
 
METAR text: KSTL 210151Z 18010KT 10SM BKN250 10/M02 A2988 RMK AO2 SLP123 T01001022
Conditions at: KSTL (ST. LOUIS , MO, US) observed 0151 UTC 21 November 2017
Temperature: 10.0°C (50°F)
Dewpoint: -2.2°C (28°F) [RH = 42%]
Pressure (altimeter): 29.88 inches Hg (1011.9 mb)
[Sea-level pressure: 1012.3 mb]
Winds: from the S (180 degrees) at 12 MPH (10 knots; 5.2 m/s)
Visibility: 10 or more miles (16+ km)
Ceiling: 25000 feet AGL
Clouds: broken clouds at 25000 feet AGL
Weather: no significant weather observed at this time