Aviation Digital Data Service (ADDS)

Output produced by TAFs form (0453 UTC 30 March 2017)
found at http://www.aviationweather.gov/adds/tafs/
 
METAR text: KIAD 300352Z 06006KT 10SM FEW250 10/01 A3019 RMK AO2 SLP223 T01000006
Conditions at: KIAD (WASH DC/DULLES , VA, US) observed 0352 UTC 30 March 2017
Temperature: 10.0°C (50°F)
Dewpoint: 0.6°C (33°F) [RH = 52%]
Pressure (altimeter): 30.19 inches Hg (1022.4 mb)
[Sea-level pressure: 1022.3 mb]
Winds: from the ENE (60 degrees) at 7 MPH (6 knots; 3.1 m/s)
Visibility: 10 or more miles (16+ km)
Ceiling: at least 12,000 feet AGL
Clouds: few clouds at 25000 feet AGL
Weather: no significant weather observed at this time

Forecast for: KIAD (WASH DC/DULLES , VA, US)
Text: KIAD 292337Z 3000/3106 36006KT P6SM SCT250
Forecast period: 0000 to 0800 UTC 30 March 2017
Forecast type: FROM: standard forecast or significant change
Winds: from the N (360 degrees) at 7 MPH (6 knots; 3.1 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: FM300800 03004KT P6SM BKN050
Forecast period: 0800 to 1400 UTC 30 March 2017
Forecast type: FROM: standard forecast or significant change
Winds: from the NNE (30 degrees) at 5 MPH (4 knots; 2.1 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: FM301400 10005KT P6SM BKN040
Forecast period: 1400 UTC 30 March 2017 to 0300 UTC 31 March 2017
Forecast type: FROM: standard forecast or significant change
Winds: from the E (100 degrees) at 6 MPH (5 knots; 2.6 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 4000 feet AGL
Clouds: broken clouds at 4000 feet AGL
Weather: no significant weather forecast for this period
Text: FM310300 15008KT P6SM OVC030
Forecast period: 0300 to 0600 UTC 31 March 2017
Forecast type: FROM: standard forecast or significant change
Winds: from the SSE (150 degrees) at 9 MPH (8 knots; 4.2 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 3000 feet AGL
Clouds: overcast cloud deck at 3000 feet AGL
Weather: no significant weather forecast for this period