METAR: CYYC 171800Z 24010G23KT 30SM FEW120 BKN250 20/M03 A2962 RMK AC1CI7 AC TR SLP035 DENSITY ALT 5400FT

TAF: CYYC 171808Z 1718/1818 24015G30KT P6SM BKN200 BECMG 1718/1720 26025G45KT FM172000 26035G45KT P6SM SCT200 BECMG 1721/1723 28025G35KT BECMG 1801/1803 28020G30KT FM180500 30012G22KT P6SM SKC BECMG 1808/1810 28008KT BECMG 1810/1812 26006KT FM181700 16008KT P6SM SKC RMK NXT FCST BY 172100Z