METAR: CYYC 212000Z 18012KT 15SM SKC 23/14 A3020 RMK FU SLP224 DENSITY ALT 5100FT

TAF: CYYC 212040Z 2121/2218 16012KT P6SM FEW250 FM220300 16010KT P6SM SCT250 BECMG 2204/2206 17007KT FM220900 19005KT P6SM FEW120 SCT250 FM221500 21005KT P6SM SCT120 BKN250 RMK NXT FCST BY 220000Z