Aviation Digital Data Service (ADDS)

Output produced by TAFs form (1436 UTC 24 July 2017)
found at http://www.aviationweather.gov/adds/tafs/
 
METAR text: KSEA 241353Z 01007KT 10SM CLR 16/12 A3006 RMK AO2 SLP182 T01610117
Conditions at: KSEA (SEATTLE/METRO , WA, US) observed 1353 UTC 24 July 2017
Temperature: 16.1°C (61°F)
Dewpoint: 11.7°C (53°F) [RH = 75%]
Pressure (altimeter): 30.06 inches Hg (1018.0 mb)
[Sea-level pressure: 1018.2 mb]
Winds: from the N (10 degrees) at 8 MPH (7 knots; 3.6 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: KSEA (SEATTLE/METRO , WA, US)
Text: KSEA 241123Z 2412/2518 06004KT P6SM SKC
Forecast period: 1200 to 1800 UTC 24 July 2017
Forecast type: FROM: standard forecast or significant change
Winds: from the ENE (60 degrees) 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: TEMPO 2414/2416 SCT004
Forecast period: 1400 to 1600 UTC 24 July 2017
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Clouds: scattered clouds at 400 feet AGL
Weather: no significant weather forecast for this period
Text: FM241800 33009KT P6SM FEW250
Forecast period: 1800 UTC 24 July 2017 to 0600 UTC 25 July 2017
Forecast type: FROM: standard forecast or significant change
Winds: from the NNW (330 degrees) at 10 MPH (9 knots; 4.7 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: few clouds at 25000 feet AGL
Weather: no significant weather forecast for this period
Text: FM250600 02005KT P6SM SKC
Forecast period: 0600 to 1800 UTC 25 July 2017
Forecast type: FROM: standard forecast or significant change
Winds: from the NNE (20 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