Aviation Digital Data Service (ADDS)

Output produced by METARs form (1352 UTC 27 June 2017)
found at http://aviationweather.gov/adds/metars/
 
KORD 271122Z 2712/2818 29007KT P6SM SKC 
     FM271700 26009KT P6SM FEW050 SCT250 
     FM280200 19006KT P6SM FEW250 
     FM281200 19012KT P6SM FEW045 OVC250 
     FM281500 18015G25KT P6SM SCT045 BKN150 
     PROB30 2815/2818 6SM -SHRA BKN045 OVC150