Aviation Digital Data Service (ADDS)

Output produced by METARs form (0702 UTC 18 December 2017)
found at http://aviationweather.gov/adds/metars/
 
KMFD 180540Z 1806/1906 21007KT P6SM OVC040 
     FM181200 22008KT 5SM BR VCSH OVC007 
     TEMPO 1814/1817 2SM BR OVC004 
     FM182000 22011KT P6SM OVC015 
     FM190000 22010KT 6SM BR OVC007