Aviation Digital Data Service (ADDS)

Output produced by METARs form (2121 UTC 26 November 2014)
found at http://aviationweather.gov/adds/metars/
 
KSWF 262100Z 2621/2724 02014KT 3/4SM -SN BR OVC004 
     TEMPO 2622/2702 1/2SM SN FZFG 
     FM270200 33011KT 4SM -SN OVC020 
     FM270700 31006KT P6SM BKN030 
     FM271000 31005KT P6SM BKN040 AMD NOT SKED