Aviation Digital Data Service (ADDS)

Output produced by TAFs form (0855 UTC 16 July 2018)
found at http://www.aviationweather.gov/adds/tafs/
 
METAR text: KIAD 160852Z 00000KT 10SM SCT250 20/20 A3000 RMK AO2 SLP157 T02000200 58006
Conditions at: KIAD (WASH DC/DULLES , VA, US) observed 0852 UTC 16 July 2018
Temperature: 20.0°C (68°F)
Dewpoint: 20.0°C (68°F) [RH = 100%]
Pressure (altimeter): 30.00 inches Hg (1016.0 mb)
[Sea-level pressure: 1015.7 mb]
Winds: calm
Visibility: 10 or more miles (16+ km)
Ceiling: at least 12,000 feet AGL
Clouds: scattered clouds at 25000 feet AGL
Weather: no significant weather observed at this time

Forecast for: KIAD (WASH DC/DULLES , VA, US)
Text: KIAD 160543Z 1606/1712 VRB03KT P6SM SCT100 BKN250
Forecast period: 0600 to 1400 UTC 16 July 2018
Forecast type: FROM: standard forecast or significant change
Winds: variable direction winds at 3 MPH (3 knots; 1.6 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 25000 feet AGL
Clouds: scattered clouds at 10000 feet AGL
broken clouds at 25000 feet AGL
Weather: no significant weather forecast for this period
Text: FM161400 20006KT P6SM SCT080 BKN200
Forecast period: 1400 to 1800 UTC 16 July 2018
Forecast type: FROM: standard forecast or significant change
Winds: from the SSW (200 degrees) at 7 MPH (6 knots; 3.1 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 20000 feet AGL
Clouds: scattered clouds at 8000 feet AGL
broken clouds at 20000 feet AGL
Weather: no significant weather forecast for this period
Text: FM161800 19008KT P6SM BKN050
Forecast period: 1800 UTC 16 July 2018 to 0200 UTC 17 July 2018
Forecast type: FROM: standard forecast or significant change
Winds: from the S (190 degrees) at 9 MPH (8 knots; 4.2 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 5000 feet AGL
Clouds: broken clouds at 5000 feet AGL
Weather: no significant weather forecast for this period
Text: FM170200 18006KT P6SM SCT060 BKN200
Forecast period: 0200 to 1000 UTC 17 July 2018
Forecast type: FROM: standard forecast or significant change
Winds: from the S (180 degrees) at 7 MPH (6 knots; 3.1 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 20000 feet AGL
Clouds: scattered clouds at 6000 feet AGL
broken clouds at 20000 feet AGL
Weather: no significant weather forecast for this period
Text: FM171000 20006KT P6SM BKN120
Forecast period: 1000 to 1200 UTC 17 July 2018
Forecast type: FROM: standard forecast or significant change
Winds: from the SSW (200 degrees) at 7 MPH (6 knots; 3.1 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 12000 feet AGL
Clouds: broken clouds at 12000 feet AGL
Weather: no significant weather forecast for this period