819
FPCN53 CWWG 142124
EXTENDED FORECASTS FROM TUESDAY 16 SEPTEMBER TO SATURDAY 20 SEPTEMBER
FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY ENVIRONMENT
CANADA AT 3:30 P.M. MDT SUNDAY 14 SEPTEMBER 2025.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:30 A.M. MDT MONDAY.
CITY OF CALGARY.
TUESDAY..SUNNY. HIGH 23.
TUESDAY NIGHT..CLEAR. LOW 9.
WEDNESDAY..SUNNY. HIGH 26.
WEDNESDAY NIGHT..CLEAR. LOW 10.
THURSDAY..SUNNY. HIGH 22.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 7.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 23.
FRIDAY NIGHT..CLEAR. LOW 10.
SATURDAY..SUNNY. HIGH 26.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.
AIRDRIE - COCHRANE - OLDS - SUNDRE.
TUESDAY..SUNNY. HIGH 24.
TUESDAY NIGHT..CLEAR. LOW PLUS 4.
WEDNESDAY..SUNNY. HIGH 27.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 4.
THURSDAY..SUNNY. HIGH 20.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 22.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 25.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 16.
OKOTOKS - HIGH RIVER - CLARESHOLM.
TUESDAY..SUNNY. HIGH 24.
TUESDAY NIGHT..CLEAR. LOW PLUS 5.
WEDNESDAY..SUNNY. HIGH 25.
WEDNESDAY NIGHT..CLEAR. LOW 7.
THURSDAY..SUNNY. HIGH 22.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 7.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 24.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 9.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 27.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 16.
DRUMHELLER - THREE HILLS.
TUESDAY..SUNNY. HIGH 24.
TUESDAY NIGHT..CLEAR. LOW 7.
WEDNESDAY..SUNNY. HIGH 28.
WEDNESDAY NIGHT..CLEAR. LOW 9.
THURSDAY..SUNNY. HIGH 25.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 7.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 23.
FRIDAY NIGHT..CLEAR. LOW 8.
SATURDAY..SUNNY. HIGH 27.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 18.
BROOKS - STRATHMORE - VULCAN.
TUESDAY..SUNNY. HIGH 24.
TUESDAY NIGHT..CLEAR. LOW PLUS 5.
WEDNESDAY..SUNNY. HIGH 28.
WEDNESDAY NIGHT..CLEAR. LOW 8.
THURSDAY..SUNNY. HIGH 25.
THURSDAY NIGHT..CLEAR. LOW 7.
FRIDAY..SUNNY. HIGH 25.
FRIDAY NIGHT..CLEAR. LOW 9.
SATURDAY..SUNNY. HIGH 29.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 19.
KANANASKIS - CANMORE.
TUESDAY..SUNNY. HIGH 24.
TUESDAY NIGHT..CLEAR. LOW 8.
WEDNESDAY..SUNNY. HIGH 27.
WEDNESDAY NIGHT..CLEAR. LOW 8.
THURSDAY..SUNNY. HIGH 21.
THURSDAY NIGHT..CLEAR. LOW PLUS 5.
FRIDAY..SUNNY. HIGH 23.
FRIDAY NIGHT..CLEAR. LOW PLUS 4.
SATURDAY..SUNNY. HIGH 25.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 16.
BANFF NATIONAL PARK
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.
TUESDAY..SUNNY. HIGH 23.
TUESDAY NIGHT..CLEAR. LOW PLUS 3.
WEDNESDAY..SUNNY. HIGH 26.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 3.
THURSDAY..SUNNY. HIGH 21.
THURSDAY NIGHT..CLEAR. LOW PLUS 3.
FRIDAY..SUNNY. HIGH 23.
FRIDAY NIGHT..CLEAR. LOW PLUS 2.
SATURDAY..SUNNY. HIGH 24.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 15.
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING
JASPER NATIONAL PARK.
TUESDAY..SUNNY. HIGH 25.
TUESDAY NIGHT..CLEAR. LOW PLUS 4.
WEDNESDAY..SUNNY. HIGH 25.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 5.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 19.
THURSDAY NIGHT..CLEAR. LOW PLUS 2.
FRIDAY..SUNNY. HIGH 22.
FRIDAY NIGHT..CLEAR. LOW PLUS 3.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 22.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 16.
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
TUESDAY..SUNNY. HIGH 22.
TUESDAY NIGHT..CLEAR. LOW 7.
WEDNESDAY..SUNNY. HIGH 27.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 5.
THURSDAY..SUNNY. HIGH 19.
THURSDAY NIGHT..CLEAR. LOW PLUS 4.
FRIDAY..SUNNY. HIGH 22.
FRIDAY NIGHT..CLEAR. LOW PLUS 5.
SATURDAY..SUNNY. HIGH 23.
NORMALS FOR THE PERIOD..LOW MINUS 1. HIGH 15.
ROCKY MOUNTAIN HOUSE - CAROLINE.
TUESDAY..SUNNY. HIGH 23.
TUESDAY NIGHT..CLEAR. LOW 7.
WEDNESDAY..SUNNY. HIGH 27.
WEDNESDAY NIGHT..CLEAR. LOW 7.
THURSDAY..SUNNY. HIGH 20.
THURSDAY NIGHT..CLEAR. LOW PLUS 4.
FRIDAY..SUNNY. HIGH 22.
FRIDAY NIGHT..CLEAR. LOW 6.
SATURDAY..SUNNY. HIGH 25.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 16.
RED DEER - PONOKA - INNISFAIL - STETTLER.
TUESDAY..SUNNY. HIGH 24.
TUESDAY NIGHT..CLEAR. LOW 7.
WEDNESDAY..SUNNY. HIGH 27.
WEDNESDAY NIGHT..CLEAR. LOW 7.
THURSDAY..SUNNY. HIGH 22.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 22.
FRIDAY NIGHT..CLEAR. LOW 6.
SATURDAY..SUNNY. HIGH 26.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.
HANNA - CORONATION - OYEN.
TUESDAY..SUNNY. HIGH 22.
TUESDAY NIGHT..CLEAR. LOW 6.
WEDNESDAY..SUNNY. HIGH 26.
WEDNESDAY NIGHT..CLEAR. LOW 8.
THURSDAY..SUNNY. HIGH 25.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 6.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 23.
FRIDAY NIGHT..CLEAR. LOW 7.
SATURDAY..SUNNY. HIGH 27.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.
MEDICINE HAT - BOW ISLAND - SUFFIELD.
TUESDAY..SUNNY. HIGH 25.
TUESDAY NIGHT..CLEAR. LOW 9.
WEDNESDAY..SUNNY. HIGH 27.
WEDNESDAY NIGHT..CLEAR. LOW 11.
THURSDAY..SUNNY. HIGH 26.
THURSDAY NIGHT..CLEAR. LOW 7.
FRIDAY..SUNNY. HIGH 26.
FRIDAY NIGHT..CLEAR. LOW 9.
SATURDAY..SUNNY. HIGH 30.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 20.
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
TUESDAY..SUNNY. HIGH 25.
TUESDAY NIGHT..CLEAR. LOW 8.
WEDNESDAY..SUNNY. HIGH 26.
WEDNESDAY NIGHT..CLEAR. LOW 9.
THURSDAY..SUNNY. HIGH 25.
THURSDAY NIGHT..CLEAR. LOW 8.
FRIDAY..SUNNY. HIGH 25.
FRIDAY NIGHT..CLEAR. LOW 9.
SATURDAY..SUNNY. HIGH 28.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 20.
LETHBRIDGE - TABER - MILK RIVER.
TUESDAY..SUNNY. HIGH 25.
TUESDAY NIGHT..CLEAR. LOW PLUS 5.
WEDNESDAY..SUNNY. HIGH 28.
WEDNESDAY NIGHT..CLEAR. LOW 8.
THURSDAY..SUNNY. HIGH 24.
THURSDAY NIGHT..CLEAR. LOW 8.
FRIDAY..SUNNY. HIGH 25.
FRIDAY NIGHT..CLEAR. LOW 8.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 29.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 20.
CARDSTON - FORT MACLEOD - MAGRATH.
TUESDAY..SUNNY. HIGH 24.
TUESDAY NIGHT..CLEAR. LOW 7.
WEDNESDAY..SUNNY. HIGH 28.
WEDNESDAY NIGHT..CLEAR. LOW 9.
THURSDAY..SUNNY. HIGH 24.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 8.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 25.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 8.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 28.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 19.
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
TUESDAY..SUNNY. HIGH 23.
TUESDAY NIGHT..CLEAR. LOW 8.
WEDNESDAY..SUNNY. HIGH 26.
WEDNESDAY NIGHT..CLEAR. LOW 9.
THURSDAY..SUNNY. HIGH 23.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 8.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 25.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 8.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 27.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.
END
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