Aviation Digital Data Service (ADDS)

Output produced by METARs form (1602 UTC 21 September 2017)
found at http://www.aviationweather.gov/adds/metars/
 
METAR text: KSLO 211555Z AUTO 00000KT 10SM CLR 31/22 A3007 RMK AO2 T03130217
Conditions at: KSLO (SALEM/LECKRONE , IL, US) observed 1555 UTC 21 September 2017
Temperature: 31.3°C (88°F)
Dewpoint: 21.7°C (71°F) [RH = 57%]
Pressure (altimeter): 30.07 inches Hg (1018.4 mb)
Winds: calm
Visibility: 10 or more miles (16+ km)
Ceiling: at least 12,000 feet AGL
Clouds: sky clear below 12,000 feet AGL
Weather: automated observation with no human augmentation;
there may or may not be significant weather present at this time