Aviation Digital Data Service (ADDS)

Output produced by METARs form (0426 UTC 14 December 2017)
found at http://aviationweather.gov/adds/metars/
 
EGLL 140420Z AUTO 25016KT 9999 SCT032 BKN042 05/01 Q0993 NOSIG
TAF EGLL 132252Z 1400/1506 26015KT 9999 SCT025 
     TEMPO 1400/1409 27018G28KT 
     PROB30 
     TEMPO 1400/1415 8000 -SHRA 
     TEMPO 1409/1415 24015G25KT 
     BECMG 1418/1421 BKN010 
     TEMPO 1419/1424 7000 RA BKN007 
     BECMG 1500/1503 VRB03KT 
     TEMPO 1500/1506 3500 RADZ BR BKN006 
     PROB30 
     TEMPO 1500/1506 BKN004