Aviation Digital Data Service (ADDS)

Output produced by METARs form (1433 UTC 20 September 2017)
found at http://www.aviationweather.gov/adds/metars/
 
KORD 201250Z 2013/2118 17008KT P6SM FEW070 
     FM201800 18014G21KT P6SM SCT060 SCT250 
     FM210100 20006KT P6SM BKN200 
     PROB30 2105/2108 -SHRA BKN050