514
FPCN53 CWWG 202124
EXTENDED FORECASTS FROM SATURDAY 22 AUGUST TO WEDNESDAY 26 AUGUST FOR
SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY ENVIRONMENT CANADA
AT 3:30 P.M. MDT THURSDAY 20 AUGUST 2026.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:30 A.M. MDT FRIDAY.
CITY OF CALGARY.
SATURDAY..SUNNY. HIGH 30.
SATURDAY NIGHT..CLEAR. LOW 17.
SUNDAY..SUNNY. HIGH 28.
SUNDAY NIGHT..CLEAR. LOW 12.
MONDAY..SUNNY. HIGH 20.
MONDAY NIGHT..CLOUDY PERIODS. LOW 9.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 24.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 9.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 22.
NORMALS FOR THE PERIOD..LOW 8. HIGH 22.
AIRDRIE - COCHRANE - OLDS - SUNDRE.
SATURDAY..SUNNY. HIGH 32.
SATURDAY NIGHT..CLEAR. LOW 11.
SUNDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.
HIGH 27.
SUNDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.
LOW 7.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 20.
MONDAY NIGHT..CLOUDY PERIODS. LOW 7.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 23.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 7.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 23.
NORMALS FOR THE PERIOD..LOW 7. HIGH 21.
OKOTOKS - HIGH RIVER - CLARESHOLM.
SATURDAY..SUNNY. HIGH 29.
SATURDAY NIGHT..CLEAR. LOW 15.
SUNDAY..SUNNY. HIGH 27.
SUNDAY NIGHT..CLEAR. LOW 10.
MONDAY..SUNNY. HIGH 24.
MONDAY NIGHT..CLEAR. LOW 8.
TUESDAY..SUNNY. HIGH 25.
TUESDAY NIGHT..CLEAR. LOW 9.
WEDNESDAY..SUNNY. HIGH 25.
NORMALS FOR THE PERIOD..LOW 7. HIGH 21.
DRUMHELLER - THREE HILLS.
SATURDAY..SUNNY. HIGH 34.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 19.
SUNDAY..SUNNY. HIGH 31.
SUNDAY NIGHT..CLEAR. LOW 12.
MONDAY..SUNNY. HIGH 24.
MONDAY NIGHT..CLOUDY PERIODS. LOW 9.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 25.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 10.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 24.
NORMALS FOR THE PERIOD..LOW 9. HIGH 23.
BROOKS - STRATHMORE - VULCAN.
SATURDAY..SUNNY. HIGH 33.
SATURDAY NIGHT..INCREASING CLOUDINESS. LOW 19.
SUNDAY..CLEARING. HIGH 33.
SUNDAY NIGHT..CLEAR. LOW 12.
MONDAY..SUNNY. HIGH 26.
MONDAY NIGHT..CLEAR. LOW 9.
TUESDAY..SUNNY. HIGH 27.
TUESDAY NIGHT..CLEAR. LOW 10.
WEDNESDAY..SUNNY. HIGH 25.
NORMALS FOR THE PERIOD..LOW 9. HIGH 24.
KANANASKIS - CANMORE.
SATURDAY..SUNNY. HIGH 29.
SATURDAY NIGHT..CLEAR. LOW 14.
SUNDAY..SUNNY. HIGH 27.
SUNDAY NIGHT..CLEAR. LOW 10.
MONDAY..SUNNY. HIGH 20.
MONDAY NIGHT..CLOUDY PERIODS. LOW 7.
TUESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 23.
TUESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.
LOW 6.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 24.
NORMALS FOR THE PERIOD..LOW 6. HIGH 21.
BANFF NATIONAL PARK.
SATURDAY..SUNNY. HIGH 29.
SATURDAY NIGHT..CLEAR. LOW 11.
SUNDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.
HIGH 22.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 9.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 22.
MONDAY NIGHT..CLOUDY PERIODS. LOW 6.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 24.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 24.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 21.
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.
SATURDAY..SUNNY. HIGH 29.
SATURDAY NIGHT..CLEAR. LOW 11.
SUNDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.
HIGH 22.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 9.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 22.
MONDAY NIGHT..CLOUDY PERIODS. LOW 6.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 24.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 24.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 21.
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 32.
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 13.
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 21.
SUNDAY NIGHT..SHOWERS. LOW 11.
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 22.
MONDAY NIGHT..CLOUDY PERIODS. LOW 7.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 24.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 6.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 24.
NORMALS FOR THE PERIOD..LOW 7. HIGH 21.
JASPER NATIONAL PARK.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 32.
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 13.
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 21.
SUNDAY NIGHT..SHOWERS. LOW 11.
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 22.
MONDAY NIGHT..CLOUDY PERIODS. LOW 7.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 24.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 6.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 24.
NORMALS FOR THE PERIOD..LOW 7. HIGH 21.
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
SATURDAY..SUNNY. HIGH 30.
SATURDAY NIGHT..CLEAR. LOW 10.
SUNDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.
HIGH 22.
SUNDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.
LOW 8.
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 17.
MONDAY NIGHT..CLOUDY PERIODS. LOW 7.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 22.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 8.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 23.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 19.
ROCKY MOUNTAIN HOUSE - CAROLINE.
SATURDAY..SUNNY. HIGH 31.
SATURDAY NIGHT..CLEAR. LOW 10.
SUNDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.
HIGH 23.
SUNDAY NIGHT..CLOUDY PERIODS WITH 60 PERCENT CHANCE OF SHOWERS.
LOW 9.
MONDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 19.
MONDAY NIGHT..CLOUDY PERIODS. LOW 8.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 23.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 8.
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 23.
NORMALS FOR THE PERIOD..LOW 7. HIGH 21.
RED DEER - PONOKA - INNISFAIL - STETTLER.
SATURDAY..SUNNY. HIGH 31.
SATURDAY NIGHT..CLEAR. LOW 13.
SUNDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.
HIGH 25.
SUNDAY NIGHT..CLOUDY PERIODS WITH 60 PERCENT CHANCE OF SHOWERS.
LOW 11.
MONDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 19.
MONDAY NIGHT..CLOUDY PERIODS. LOW 9.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 23.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 9.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 22.
NORMALS FOR THE PERIOD..LOW 8. HIGH 22.
HANNA - CORONATION - OYEN.
SATURDAY..SUNNY. HIGH 32.
SATURDAY NIGHT..CLEAR. LOW 15.
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 29.
SUNDAY NIGHT..CLOUDY PERIODS WITH 60 PERCENT CHANCE OF SHOWERS.
LOW 11.
MONDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
WINDY. HIGH 21.
MONDAY NIGHT..CLEARING. LOW 9.
TUESDAY..SUNNY. HIGH 25.
TUESDAY NIGHT..CLEAR. LOW 9.
WEDNESDAY..SUNNY. HIGH 23.
NORMALS FOR THE PERIOD..LOW 8. HIGH 23.
MEDICINE HAT - BOW ISLAND - SUFFIELD.
SATURDAY..SUNNY. HIGH 34.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 21.
SUNDAY..SUNNY. HIGH 33.
SUNDAY NIGHT..CLEAR. LOW 13.
MONDAY..SUNNY. HIGH 26.
MONDAY NIGHT..CLEAR. LOW 10.
TUESDAY..SUNNY. HIGH 28.
TUESDAY NIGHT..CLEAR. LOW 11.
WEDNESDAY..SUNNY. HIGH 28.
NORMALS FOR THE PERIOD..LOW 10. HIGH 26.
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
SATURDAY..SUNNY. HIGH 31.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 18.
SUNDAY..SUNNY. HIGH 32.
SUNDAY NIGHT..CLEAR. LOW 13.
MONDAY..SUNNY. HIGH 28.
MONDAY NIGHT..CLEAR. LOW 9.
TUESDAY..SUNNY. HIGH 27.
TUESDAY NIGHT..CLEAR. LOW 11.
WEDNESDAY..SUNNY. HIGH 27.
NORMALS FOR THE PERIOD..LOW 10. HIGH 26.
LETHBRIDGE - TABER - MILK RIVER.
SATURDAY..SUNNY. HIGH 33.
SATURDAY NIGHT..CLEAR. LOW 16.
SUNDAY..SUNNY. HIGH 31.
SUNDAY NIGHT..CLEAR. LOW 12.
MONDAY..SUNNY. HIGH 25.
MONDAY NIGHT..CLEAR. LOW 8.
TUESDAY..SUNNY. HIGH 27.
TUESDAY NIGHT..CLEAR. LOW 9.
WEDNESDAY..SUNNY. HIGH 27.
NORMALS FOR THE PERIOD..LOW 9. HIGH 25.
CARDSTON - FORT MACLEOD - MAGRATH.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 31.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 18.
SUNDAY..SUNNY. HIGH 29.
SUNDAY NIGHT..CLEAR. LOW 12.
MONDAY..SUNNY. HIGH 26.
MONDAY NIGHT..CLEAR. LOW 9.
TUESDAY..SUNNY. HIGH 27.
TUESDAY NIGHT..CLEAR. LOW 10.
WEDNESDAY..SUNNY. HIGH 27.
NORMALS FOR THE PERIOD..LOW 8. HIGH 24.
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 29.
SATURDAY NIGHT..CLEAR. LOW 14.
SUNDAY..SUNNY. HIGH 27.
SUNDAY NIGHT..CLEAR. LOW 12.
MONDAY..SUNNY. HIGH 24.
MONDAY NIGHT..CLEAR. LOW 9.
TUESDAY..SUNNY. HIGH 27.
TUESDAY NIGHT..CLEAR. LOW 10.
WEDNESDAY..SUNNY. HIGH 27.
NORMALS FOR THE PERIOD..LOW 7. HIGH 22.
END
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