Aviation Digital Data Service (ADDS)

Output produced by METARs form (0005 UTC 19 August 2019)
found at http://www.aviationweather.gov/metar/data/
 
Forecast for: KSTL (ST. LOUIS , MO, US)
Text: KSTL 182321Z 1900/2006 VRB04KT P6SM SKC
Forecast period: 0000 to 1300 UTC 19 August 2019
Forecast type: FROM: standard forecast or significant change
Winds: variable direction winds at 5 MPH (4 knots; 2.1 m/s)
Visibility: 6 or more miles 10+ km)
Clouds: clear skies
Weather: no significant weather forecast for this period
Text: FM191300 25005KT P6SM SCT050
Forecast period: 1300 to 1500 UTC 19 August 2019
Forecast type: FROM: standard forecast or significant change
Winds: from the WSW (250 degrees) at 6 MPH (5 knots; 2.6 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: scattered clouds at 5000 feet AGL
Weather: no significant weather forecast for this period
Text: FM191500 28005KT P6SM VCTS FEW040CB SCT060
Forecast period: 1500 UTC 19 August 2019 to 0000 UTC 20 August 2019
Forecast type: FROM: standard forecast or significant change
Winds: from the W (280 degrees) at 6 MPH (5 knots; 2.6 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: few clouds at 4000 feet AGL
scattered clouds at 6000 feet AGL
Weather: VCTS  (thunderstorm in vicinity)
Text: FM200000 VRB04KT P6SM FEW040 SCT045
Forecast period: 0000 to 0600 UTC 20 August 2019
Forecast type: FROM: standard forecast or significant change
Winds: variable direction winds at 5 MPH (4 knots; 2.1 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: few clouds at 4000 feet AGL
scattered clouds at 4500 feet AGL
Weather: no significant weather forecast for this period