Aviation Digital Data Service (ADDS)

Output produced by TAFs form (0726 UTC 23 September 2017)
found at http://www.aviationweather.gov/adds/tafs/
 
METAR text: KIAD 230652Z 29003KT 10SM BKN250 16/16 A3004 RMK AO2 SLP169 T01610161
Conditions at: KIAD (WASH DC/DULLES , VA, US) observed 0652 UTC 23 September 2017
Temperature: 16.1°C (61°F)
Dewpoint: 16.1°C (61°F) [RH = 100%]
Pressure (altimeter): 30.04 inches Hg (1017.4 mb)
[Sea-level pressure: 1016.9 mb]
Winds: from the WNW (290 degrees) at 3 MPH (3 knots; 1.6 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

Forecast for: KIAD (WASH DC/DULLES , VA, US)
Text: KIAD 230521Z 2306/2412 VRB03KT P6SM SCT250
Forecast period: 0600 to 0700 UTC 23 September 2017
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)
Clouds: scattered clouds at 25000 feet AGL
Weather: no significant weather forecast for this period
Text: FM230700 VRB03KT 5SM BR SCT200
Forecast period: 0700 to 1000 UTC 23 September 2017
Forecast type: FROM: standard forecast or significant change
Winds: variable direction winds at 3 MPH (3 knots; 1.6 m/s)
Visibility: 5 miles (8 km)
Clouds: scattered clouds at 20000 feet AGL
Weather: BR  (mist)
Text: FM231000 VRB03KT P6SM SCT250
Forecast period: 1000 UTC 23 September 2017 to 1200 UTC 24 September 2017
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)
Clouds: scattered clouds at 25000 feet AGL
Weather: no significant weather forecast for this period