FTUS45 KMSO 161720 TAFGPI TAF KGPI 161720Z 1618/1718 17005KT 6SM -RA OVC050 FM162000 17010G20KT P6SM OVC050 FM170100 17007KT P6SM VCSH BKN050 FM170600 17005KT P6SM SCT200 FM171700 19009KT P6SM VCSH OVC050=