TAF LGST 042000Z 0421/0506 30018KT 9999 SCT025 TEMPO 0421/0506 31018G28KT PROB40 TEMPO 0421/0506 5000 RA FEW018TCU BKN025 BKN070 PROB40 TEMPO 0421/0504 4000 TSRA FEW010 FEW016CB BKN020 BKN070=