METAR for KORD (Chicago/O'Hare Intl, IL, US) observed at 1251 UTC 18 Sep 2025
  Text: METAR KORD 181251Z 00000KT 10SM FEW250 19/16 A3006 RMK AO2 SLP176 T01890156 $
  Temperature: 18.9C (66.0F)
  Dewpoint: 15.6C (60.1F)
  Altimeter: 30.06 inches Hg (1018.0 mb)
  Sea level pressure: 1017.6 mb
  Winds: calm
  Visibility: 10+ sm
  Ceiling: at least 12,000 feet AGL
  Clouds: few clouds at 25000 feet AGL