599 
FTUS41 KLWX 031741
TAFMTN
TAF
KMTN 031741Z 0318/0418 VRB03KT 3/4SM BR OVC003
     FM040000 27004KT 6SM -DZ BR OVC015
     FM040100 27005KT P6SM BKN005
     FM040300 27006KT P6SM SCT035 SCT250
     FM041600 30007KT P6SM BKN150=