Aviation Digital Data Service (ADDS)

Output produced by TAFs form (1430 UTC 05 March 2015)
found at http://www.aviationweather.gov/adds/tafs/
 
Forecast for: EGLL (LONDON/HEATHROW , GB)
Text: TAF EGLL 051100Z 0512/0618 26010KT 9999 SCT035
Forecast period: 1200 UTC 05 March 2015 to 1800 UTC 06 March 2015
Forecast type: FROM: standard forecast or significant change
Winds: from the W (260 degrees) at 12 MPH (10 knots; 5.2 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: scattered clouds at 3500 feet AGL
Weather: no significant weather forecast for this period