Aviation Digital Data Service (ADDS)

Output produced by TAFs form (0316 UTC 23 June 2017)
found at http://aviationweather.gov/adds/tafs/
 
KLVS 222335Z 2300/2324 13009KT P6SM SCT100 
     FM230500 03009KT P6SM FEW120 
     FM231700 05012G20KT P6SM SCT050 
     FM232100 07014G22KT P6SM VCTS BKN040CB