Aviation Digital Data Service (ADDS)

Output produced by METARs form (0101 UTC 24 March 2019)
found at http://aviationweather.gov/metar/data/
 
METAR text: KARR 240052Z 13004KT 10SM CLR 06/M01 A3021 RMK AO2 SLP238 T00611011
Conditions at: KARR (CHICAGO/AURORA , IL, US) observed 0052 UTC 24 March 2019
Temperature: 6.1°C (43°F)
Dewpoint: -1.1°C (30°F) [RH = 60%]
Pressure (altimeter): 30.21 inches Hg (1023.1 mb)
[Sea-level pressure: 1023.8 mb]
Winds: from the SE (130 degrees) at 5 MPH (4 knots; 2.1 m/s)
Visibility: 10 or more miles (16+ km)
Ceiling: at least 12,000 feet AGL
Clouds: sky clear below 12,000 feet AGL
Weather: no significant weather observed at this time