METAR: CYYC 232100Z 20011KT 130V210 40SM FEW110 FEW220 BKN250 09/M11 A2968 RMK AC1CI1CI5 SLP083 DENSITY ALT 4000FT

TAF: CYYC 232040Z 2321/2418 20012KT P6SM SCT060 BKN120 OVC200 BECMG 2322/2324 26010KT FM240400 24008KT P6SM FEW120 BKN200 FM241500 28010KT P6SM SCT060 BKN120 OVC200 BECMG 2416/2418 02012KT RMK NXT FCST BY 240000Z