Aviation Digital Data Service (ADDS)

Output produced by METARs form (2149 UTC 20 October 2018)
found at http://www.aviationweather.gov/metar/data/
 
METAR text: KSTL 202051Z 30020G36KT 10SM CLR 18/M04 A3011 RMK AO2 PK WND 31036/1954 SLP195 T01781039 53005
Conditions at: KSTL (ST. LOUIS , MO, US) observed 2051 UTC 20 October 2018
Temperature: 17.8°C (64°F)
Dewpoint: -3.9°C (25°F) [RH = 22%]
Pressure (altimeter): 30.11 inches Hg (1019.7 mb)
[Sea-level pressure: 1019.5 mb]
Winds: from the WNW (300 degrees) at 23 MPH (20 knots; 10.3 m/s)
gusting to 41 MPH (36 knots; 18.5 m/s)
Visibility: 10 or more miles (16+ km)
Ceiling: at least 12,000 feet AGL
Clouds: sky clear below 12,000 feet AGL
Weather: no significant weather observed at this time

Forecast for: KSTL (ST. LOUIS , MO, US)
Text: KSTL 202100Z 2021/2124 32020G30KT P6SM FEW250
Forecast period: 2100 UTC 20 October 2018 to 0100 UTC 21 October 2018
Forecast type: FROM: standard forecast or significant change
Winds: from the NW (320 degrees) at 23 MPH (20 knots; 10.3 m/s)
gusting to 34 MPH (30 knots; 15.4 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: few clouds at 25000 feet AGL
Weather: no significant weather forecast for this period
Text: FM210100 35012G18KT P6SM SKC
Forecast period: 0100 to 0300 UTC 21 October 2018
Forecast type: FROM: standard forecast or significant change
Winds: from the N (350 degrees) at 14 MPH (12 knots; 6.2 m/s)
gusting to 21 MPH (18 knots; 9.3 m/s)
Visibility: 6 or more miles 10+ km)
Clouds: clear skies
Weather: no significant weather forecast for this period
Text: FM210300 36005KT P6SM SKC
Forecast period: 0300 UTC 21 October 2018 to 0000 UTC 22 October 2018
Forecast type: FROM: standard forecast or significant change
Winds: from the N (360 degrees) at 6 MPH (5 knots; 2.6 m/s)
Visibility: 6 or more miles 10+ km)
Clouds: clear skies
Weather: no significant weather forecast for this period