Aviation Digital Data Service (ADDS)

Output produced by METARs form (0544 UTC 27 January 2015)
found at http://aviationweather.gov/adds/metars/
 
KORD 270533Z 2706/2812 12005KT 4SM -SN BR SCT008 OVC012 
     TEMPO 2706/2709 2SM -SN BR OVC007 
     FM270930 04004KT 4SM -FZDZSN BR OVC008 
     FM271300 03008KT 6SM BR OVC015 
     FM271600 05010KT P6SM OVC025 
     FM272000 04007KT P6SM SCT030 SCT250 
     FM280100 VRB03KT P6SM SCT250