000 FTUS41 KLWX 221723 TAFIAD TAF KIAD 221723Z 2218/2324 31009G15KT P6SM FEW050 FM222100 34006KT P6SM FEW050 FM230200 00000KT P6SM SKC FM231500 20007KT P6SM SCT250 FM231900 20010G17KT P6SM SKC=