000 FTUS41 KLWX 180535 TAFIAD TAF KIAD 180535Z 1806/1912 34012G20KT P6SM FEW100 FM180800 31008KT P6SM FEW200 FM181500 30013G21KT P6SM SCT070 SCT250 FM190300 30010KT P6SM FEW250 FM191000 27008KT P6SM FEW250=