Aviation Digital Data Service (ADDS)

Output produced by METARs form (0049 UTC 21 July 2017)
found at http://aviationweather.gov/adds/metars/
 
KSLK 202330Z 2100/2124 00000KT P6SM FEW150 
     FM210800 00000KT P6SM SCT040 
     TEMPO 2110/2114 BKN010 
     FM211400 26007KT P6SM SCT015 
     FM211500 26008KT P6SM SCT030