Aviation Digital Data Service (ADDS)

Output produced by METARs form (0634 UTC 21 August 2017)
found at http://aviationweather.gov/adds/metars/
 
KLAS 210601Z 2106/2212 19010G18KT P6SM VCSH SCT110 BKN140 
     FM210900 19009KT P6SM VCSH SCT110 BKN130 
     FM211200 VRB06KT P6SM -SHRA BKN100 
     FM211800 11007KT P6SM -SHRA BKN100 BKN150 
     PROB30 2118/2122 -TSRA BKN100CB 
     FM212200 17006KT P6SM BKN100 BKN150 
     FM220400 23005KT P6SM SCT110 BKN250