METAR: METAR CYYC 302100Z 09004KT 040V170 15SM BKN084 BKN250 13/M04 A2999 RMK AC6CI1 CI TR SLP174 DENSITY ALT 4200FT

TAF: CYYC 302040Z 3021/0118 VRB03KT P6SM SCT070 FM302200 36010KT P6SM BKN080 BECMG 3023/0101 06006KT FM010400 VRB03KT P6SM FEW080 SCT220 FM011200 30005KT P6SM SKC RMK NXT FCST BY 010000Z