Aviation Digital Data Service (ADDS)

Output produced by METARs form (1956 UTC 25 May 2017)
found at http://www.aviationweather.gov/adds/metars/
 
KORD 251723Z 2518/2624 35011KT P6SM SCT025 OVC040 
     FM252000 02010KT P6SM SCT040 
     FM260200 VRB03KT P6SM FEW040 SCT250 
     FM261300 10005KT P6SM BKN100 
     FM262100 08012KT P6SM BKN035 OVC080 
     PROB30 2621/2624 4SM -SHRA OVC030