Aviation Digital Data Service (ADDS)

Output produced by METARs form (1938 UTC 17 February 2018)
found at http://aviationweather.gov/adds/metars/
 
KORD 171829Z 1718/1824 21012KT P6SM OVC080 
     FM172100 22010KT 1SM -SN SCT010 OVC020 
     TEMPO 1721/1723 1/2SM SHSN BKN007 OVC014 
     FM180000 27012KT P6SM SCT025 
     FM180400 26007KT P6SM FEW250 
     FM181100 17008KT P6SM FEW150 SCT250 
     FM181600 17011KT P6SM SCT250 
     FM181900 18015G24KT P6SM BKN250