METAR KORD 181251Z 00000KT 10SM FEW250 19/16 A3006 RMK AO2 SLP176 T01890156 $
TAF KORD 181120Z 1812/1918 VRB03KT P6SM FEW250 
  TEMPO 1812/1813 6SM BR 
  FM181900 07008KT P6SM FEW100