Aviation Digital Data Service (ADDS)

Output produced by TAFs form (1040 UTC 23 January 2017)
found at http://www.aviationweather.gov/adds/tafs/
 
KIAD 230858Z 2309/2412 08011G30KT 5SM -DZ OVC005 
     FM231200 06016G30KT 1SM RA BR OVC005 
     FM231700 07013G24KT 1SM RA BR OVC005 WS020/07040KT 
     FM240300 36007KT 3SM -SHRA OVC010