Aviation Digital Data Service (ADDS)

Output produced by METARs form (1519 UTC 21 July 2017)
found at http://www.aviationweather.gov/adds/metars/
 
KORD 211504Z 2115/2218 12007KT P6SM SCT060 BKN100 
     FM220400 18006KT P6SM SCT080 BKN100 
     PROB30 2204/2207 5SM -TSRA BKN050CB 
     FM220700 20006KT P6SM VCTS BKN050 BKN100CB 
     TEMPO 2207/2211 3SM TSRA BKN035CB 
     FM221200 23014KT P6SM BKN150