FTCN25 CWAO 181700 TAF CYXR 181740Z 1818/1824 35015G25KT 5SM -RA BR OVC015 TEMPO 1818/1823 P6SM -RA SCT015 OVC025 FM182300 35015G25KT P6SM BKN030 RMK FCST BASED ON AUTO OBS. NXT FCST BY 191200Z=