Aviation Digital Data Service (ADDS)

Output produced by TAFs form (1028 UTC 30 May 2015)
found at http://www.aviationweather.gov/adds/tafs/
 
KIAD 300843Z 3009/3112 18005KT P6SM BKN060 
     FM301400 19008KT P6SM SCT200 
     FM301800 19011KT P6SM SCT050 
     FM301900 19011KT P6SM BKN050 
     FM310100 18008KT P6SM SCT050 
     FM310700 19006KT P6SM SCT250