355
FPCN53 CWWG 152124
EXTENDED FORECASTS FROM WEDNESDAY 17 SEPTEMBER TO SUNDAY 21 SEPTEMBER
FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY ENVIRONMENT
CANADA AT 3:30 P.M. MDT MONDAY 15 SEPTEMBER 2025.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:30 A.M. MDT TUESDAY.
CITY OF CALGARY.
WEDNESDAY..SUNNY. HIGH 26.
WEDNESDAY NIGHT..CLEAR. LOW 11.
THURSDAY..SUNNY. HIGH 25.
THURSDAY NIGHT..CLEAR. LOW 10.
FRIDAY..SUNNY. HIGH 24.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 11.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 26.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 12.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 20.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.
AIRDRIE - COCHRANE - OLDS - SUNDRE.
WEDNESDAY..SUNNY. HIGH 27.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 3.
THURSDAY..SUNNY. HIGH 23.
THURSDAY NIGHT..CLEAR. LOW PLUS 5.
FRIDAY..SUNNY. HIGH 22.
FRIDAY NIGHT..CLEAR. LOW 6.
SATURDAY..SUNNY. HIGH 26.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 8.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 16.
OKOTOKS - HIGH RIVER - CLARESHOLM.
WEDNESDAY..SUNNY. HIGH 26.
WEDNESDAY NIGHT..CLEAR. LOW 6.
THURSDAY..SUNNY. HIGH 24.
THURSDAY NIGHT..CLEAR. LOW 10.
FRIDAY..SUNNY. HIGH 24.
FRIDAY NIGHT..CLEAR. LOW 9.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 28.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 11.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 22.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 16.
DRUMHELLER - THREE HILLS.
WEDNESDAY..SUNNY. HIGH 28.
WEDNESDAY NIGHT..CLEAR. LOW 9.
THURSDAY..SUNNY. HIGH 28.
THURSDAY NIGHT..CLEAR. LOW 8.
FRIDAY..SUNNY. HIGH 26.
FRIDAY NIGHT..CLEAR. LOW 9.
SATURDAY..SUNNY. HIGH 29.
SATURDAY NIGHT..CLEAR. LOW 10.
SUNDAY..SUNNY. HIGH 22.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.
BROOKS - STRATHMORE - VULCAN.
WEDNESDAY..SUNNY. HIGH 28.
WEDNESDAY NIGHT..CLEAR. LOW 8.
THURSDAY..SUNNY. HIGH 28.
THURSDAY NIGHT..CLEAR. LOW 7.
FRIDAY..SUNNY. HIGH 27.
FRIDAY NIGHT..CLEAR. LOW 9.
SATURDAY..SUNNY. HIGH 31.
SATURDAY NIGHT..CLEAR. LOW 12.
SUNDAY..SUNNY. HIGH 25.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 19.
KANANASKIS - CANMORE.
WEDNESDAY..SUNNY. HIGH 27.
WEDNESDAY NIGHT..CLEAR. LOW 11.
THURSDAY..SUNNY. HIGH 24.
THURSDAY NIGHT..CLEAR. LOW 7.
FRIDAY..SUNNY. HIGH 24.
FRIDAY NIGHT..CLEAR. LOW PLUS 4.
SATURDAY..SUNNY. HIGH 25.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 9.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 16.
BANFF NATIONAL PARK
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.
WEDNESDAY..SUNNY. HIGH 25.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 3.
THURSDAY..SUNNY. HIGH 24.
THURSDAY NIGHT..CLEAR. LOW PLUS 4.
FRIDAY..SUNNY. HIGH 22.
FRIDAY NIGHT..CLEAR. LOW PLUS 1.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 23.
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.
LOW 7.
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 16.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 15.
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING
JASPER NATIONAL PARK.
WEDNESDAY..SUNNY. HIGH 26.
WEDNESDAY NIGHT..CLEAR. LOW 6.
THURSDAY..SUNNY. HIGH 22.
THURSDAY NIGHT..CLEAR. LOW 8.
FRIDAY..SUNNY. HIGH 24.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 22.
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 8.
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 15.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 16.
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
WEDNESDAY..SUNNY. HIGH 27.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 5.
THURSDAY..SUNNY. HIGH 21.
THURSDAY NIGHT..CLEAR. LOW 7.
FRIDAY..SUNNY. HIGH 22.
FRIDAY NIGHT..CLEAR. LOW PLUS 5.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 23.
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.
LOW 8.
SUNDAY..CLOUDY. HIGH 16.
NORMALS FOR THE PERIOD..LOW MINUS 1. HIGH 15.
ROCKY MOUNTAIN HOUSE - CAROLINE.
WEDNESDAY..SUNNY. HIGH 28.
WEDNESDAY NIGHT..CLEAR. LOW 7.
THURSDAY..SUNNY. HIGH 22.
THURSDAY NIGHT..CLEAR. LOW 6.
FRIDAY..SUNNY. HIGH 22.
FRIDAY NIGHT..CLEAR. LOW 6.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 25.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 7.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 16.
RED DEER - PONOKA - INNISFAIL - STETTLER.
WEDNESDAY..SUNNY. HIGH 27.
WEDNESDAY NIGHT..CLEAR. LOW 7.
THURSDAY..SUNNY. HIGH 23.
THURSDAY NIGHT..CLEAR. LOW 7.
FRIDAY..SUNNY. HIGH 23.
FRIDAY NIGHT..CLEAR. LOW 7.
SATURDAY..SUNNY. HIGH 27.
SATURDAY NIGHT..CLEAR. LOW 7.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 20.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.
HANNA - CORONATION - OYEN.
WEDNESDAY..SUNNY. HIGH 27.
WEDNESDAY NIGHT..CLEAR. LOW 7.
THURSDAY..SUNNY. HIGH 28.
THURSDAY NIGHT..CLEAR. LOW 7.
FRIDAY..SUNNY. HIGH 24.
FRIDAY NIGHT..CLEAR. LOW 8.
SATURDAY..SUNNY. HIGH 28.
SATURDAY NIGHT..CLEAR. LOW 9.
SUNDAY..SUNNY. HIGH 22.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.
MEDICINE HAT - BOW ISLAND - SUFFIELD.
WEDNESDAY..SUNNY. HIGH 28.
WEDNESDAY NIGHT..CLEAR. LOW 11.
THURSDAY..SUNNY. HIGH 29.
THURSDAY NIGHT..CLEAR. LOW 11.
FRIDAY..SUNNY. HIGH 27.
FRIDAY NIGHT..CLEAR. LOW 9.
SATURDAY..SUNNY. HIGH 31.
SATURDAY NIGHT..CLEAR. LOW 11.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 27.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 19.
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
WEDNESDAY..SUNNY. HIGH 27.
WEDNESDAY NIGHT..CLEAR. LOW 9.
THURSDAY..SUNNY. HIGH 28.
THURSDAY NIGHT..CLEAR. LOW 8.
FRIDAY..SUNNY. HIGH 26.
FRIDAY NIGHT..CLEAR. LOW 9.
SATURDAY..SUNNY. HIGH 30.
SATURDAY NIGHT..CLEAR. LOW 11.
SUNDAY..SUNNY. HIGH 27.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 20.
LETHBRIDGE - TABER - MILK RIVER.
WEDNESDAY..SUNNY. HIGH 29.
WEDNESDAY NIGHT..CLEAR. LOW 10.
THURSDAY..SUNNY. HIGH 28.
THURSDAY NIGHT..CLEAR. LOW 8.
FRIDAY..SUNNY. HIGH 26.
FRIDAY NIGHT..CLEAR. LOW 9.
SATURDAY..SUNNY. HIGH 31.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 12.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 26.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 20.
CARDSTON - FORT MACLEOD - MAGRATH.
WEDNESDAY..SUNNY. HIGH 28.
WEDNESDAY NIGHT..CLEAR. LOW 8.
THURSDAY..SUNNY. HIGH 27.
THURSDAY NIGHT..CLEAR. LOW 8.
FRIDAY..SUNNY. HIGH 26.
FRIDAY NIGHT..CLEAR. LOW 9.
SATURDAY..SUNNY. HIGH 30.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 12.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 25.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 19.
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
WEDNESDAY..SUNNY. HIGH 28.
WEDNESDAY NIGHT..CLEAR. LOW 9.
THURSDAY..SUNNY. HIGH 25.
THURSDAY NIGHT..CLEAR. LOW 7.
FRIDAY..SUNNY. HIGH 25.
FRIDAY NIGHT..CLEAR. LOW 9.
SATURDAY..SUNNY. HIGH 29.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 11.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 24.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.
END
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page