551
FPCN53 CWWG 141625
EXTENDED FORECASTS FROM MONDAY NIGHT 15 SEPTEMBER TO SATURDAY 20
SEPTEMBER FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY
ENVIRONMENT CANADA AT 10:30 A.M. MDT SUNDAY 14 SEPTEMBER 2025.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 3:30 P.M. MDT.
CITY OF CALGARY.
MONDAY NIGHT..CLEAR. LOW 8.
TUESDAY..SUNNY. HIGH 25.
TUESDAY NIGHT..CLEAR. LOW 11.
WEDNESDAY..SUNNY. HIGH 28.
WEDNESDAY NIGHT..CLEAR. LOW 11.
THURSDAY..SUNNY. HIGH 22.
THURSDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.
LOW 6.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 19.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 8.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 23.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.
AIRDRIE - COCHRANE - OLDS - SUNDRE.
MONDAY NIGHT..CLEAR. LOW PLUS 2.
TUESDAY..SUNNY. HIGH 25.
TUESDAY NIGHT..CLEAR. LOW PLUS 4.
WEDNESDAY..SUNNY. HIGH 28.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 5.
THURSDAY..INCREASING CLOUDINESS. HIGH 20.
THURSDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 3.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 19.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 22.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 16.
OKOTOKS - HIGH RIVER - CLARESHOLM.
MONDAY NIGHT..CLEARING. LOW 8.
TUESDAY..SUNNY. HIGH 25.
TUESDAY NIGHT..CLEAR. LOW 7.
WEDNESDAY..SUNNY. HIGH 26.
WEDNESDAY NIGHT..CLEAR. LOW 6.
THURSDAY..SUNNY. HIGH 22.
THURSDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.
LOW 6.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 20.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 8.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 24.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 16.
DRUMHELLER - THREE HILLS.
MONDAY NIGHT..CLEAR. LOW 6.
TUESDAY..SUNNY. HIGH 27.
TUESDAY NIGHT..CLEAR. LOW 8.
WEDNESDAY..SUNNY. HIGH 29.
WEDNESDAY NIGHT..CLEAR. LOW 10.
THURSDAY..SUNNY. HIGH 26.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 7.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 20.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 7.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 24.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 18.
BROOKS - STRATHMORE - VULCAN.
MONDAY NIGHT..CLEARING. LOW 8.
TUESDAY..SUNNY. HIGH 25.
TUESDAY NIGHT..CLEAR. LOW PLUS 5.
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 21.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 8.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 26.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 19.
KANANASKIS - CANMORE.
MONDAY NIGHT..CLEAR. LOW 6.
TUESDAY..SUNNY. HIGH 25.
TUESDAY NIGHT..CLEAR. LOW 9.
WEDNESDAY..SUNNY. HIGH 27.
WEDNESDAY NIGHT..CLEAR. LOW 10.
THURSDAY..INCREASING CLOUDINESS. HIGH 19.
THURSDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 4.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 18.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 22.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 16.
BANFF NATIONAL PARK
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.
MONDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.
LOW 7.
TUESDAY..SUNNY. HIGH 23.
TUESDAY NIGHT..CLEAR. LOW 6.
WEDNESDAY..SUNNY. HIGH 26.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 5.
THURSDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.
HIGH 18.
THURSDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 2.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 19.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 22.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 15.
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING
JASPER NATIONAL PARK.
MONDAY NIGHT..CLEAR. LOW PLUS 3.
TUESDAY..SUNNY. HIGH 25.
TUESDAY NIGHT..CLEAR. LOW PLUS 4.
WEDNESDAY..SUNNY. HIGH 24.
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 8.
THURSDAY..CLEARING. HIGH 17.
THURSDAY NIGHT..CLEAR. LOW PLUS 3.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 19.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 21.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 16.
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
MONDAY NIGHT..CLEAR. LOW PLUS 5.
TUESDAY..SUNNY. HIGH 25.
TUESDAY NIGHT..CLEAR. LOW 6.
WEDNESDAY..SUNNY. HIGH 28.
WEDNESDAY NIGHT..CLEAR. LOW 7.
THURSDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 15.
THURSDAY NIGHT..CLOUDY PERIODS WITH 40 PERCENT CHANCE OF SHOWERS. LOW
PLUS 3.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 18.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 21.
NORMALS FOR THE PERIOD..LOW MINUS 1. HIGH 15.
ROCKY MOUNTAIN HOUSE - CAROLINE.
MONDAY NIGHT..CLEAR. LOW PLUS 4.
TUESDAY..SUNNY. HIGH 24.
TUESDAY NIGHT..CLEAR. LOW PLUS 5.
WEDNESDAY..SUNNY. HIGH 27.
WEDNESDAY NIGHT..CLEAR. LOW 6.
THURSDAY..INCREASING CLOUDINESS. HIGH 21.
THURSDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 4.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 19.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 22.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 16.
RED DEER - PONOKA - INNISFAIL - STETTLER.
MONDAY NIGHT..CLEAR. LOW PLUS 3.
TUESDAY..SUNNY. HIGH 25.
TUESDAY NIGHT..CLEAR. LOW PLUS 5.
WEDNESDAY..SUNNY. HIGH 26.
WEDNESDAY NIGHT..CLEAR. LOW 7.
THURSDAY..SUNNY. HIGH 22.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 19.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 23.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.
HANNA - CORONATION - OYEN.
MONDAY NIGHT..CLEAR. LOW 7.
TUESDAY..SUNNY. HIGH 24.
TUESDAY NIGHT..CLEAR. LOW PLUS 5.
WEDNESDAY..SUNNY. HIGH 27.
WEDNESDAY NIGHT..CLEAR. LOW 7.
THURSDAY..SUNNY. HIGH 25.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 7.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 20.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 24.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.
MEDICINE HAT - BOW ISLAND - SUFFIELD.
MONDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 11.
TUESDAY..SUNNY. HIGH 26.
TUESDAY NIGHT..CLEAR. LOW 6.
WEDNESDAY..SUNNY. HIGH 28.
WEDNESDAY NIGHT..CLEAR. LOW 11.
THURSDAY..SUNNY. HIGH 28.
THURSDAY NIGHT..CLEAR. LOW 8.
FRIDAY..SUNNY. HIGH 22.
FRIDAY NIGHT..CLEAR. LOW 8.
SATURDAY..SUNNY. HIGH 27.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 20.
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
MONDAY NIGHT..CLOUDY. LOW 11.
TUESDAY..SUNNY. HIGH 25.
TUESDAY NIGHT..CLEAR. LOW 7.
WEDNESDAY..SUNNY. HIGH 26.
WEDNESDAY NIGHT..CLEAR. LOW 9.
THURSDAY..SUNNY. HIGH 27.
THURSDAY NIGHT..CLEAR. LOW 8.
FRIDAY..SUNNY. HIGH 22.
FRIDAY NIGHT..CLEAR. LOW 8.
SATURDAY..SUNNY. HIGH 26.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 20.
LETHBRIDGE - TABER - MILK RIVER.
MONDAY NIGHT..CLOUDY PERIODS. LOW 9.
TUESDAY..SUNNY. HIGH 25.
TUESDAY NIGHT..CLEAR. LOW 7.
WEDNESDAY..SUNNY. HIGH 29.
WEDNESDAY NIGHT..CLEAR. LOW 9.
THURSDAY..SUNNY. HIGH 26.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 7.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 22.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 7.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 27.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 20.
CARDSTON - FORT MACLEOD - MAGRATH.
MONDAY NIGHT..CLOUDY PERIODS. LOW 9.
TUESDAY..SUNNY. HIGH 23.
TUESDAY NIGHT..CLEAR. LOW 9.
WEDNESDAY..SUNNY. HIGH 30.
WEDNESDAY NIGHT..CLEAR. LOW 10.
THURSDAY..SUNNY. HIGH 26.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 7.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 22.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 7.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 26.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 19.
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
MONDAY NIGHT..CLEARING. LOW 8.
TUESDAY..SUNNY. HIGH 23.
TUESDAY NIGHT..CLEAR. LOW 7.
WEDNESDAY..SUNNY. HIGH 27.
WEDNESDAY NIGHT..CLEAR. LOW 10.
THURSDAY..SUNNY. HIGH 24.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 7.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 21.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 7.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 25.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.
END
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