491  
FPCN53 CWWG 241025  
EXTENDED FORECASTS FROM MONDAY NIGHT 25 AUGUST TO SATURDAY 30 AUGUST  
FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY ENVIRONMENT  
CANADA AT 4:30 A.M. MDT SUNDAY 24 AUGUST 2025.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 10:30 A.M. MDT.  
 
CITY OF CALGARY.  
MONDAY NIGHT..CLEAR. LOW 11.  
TUESDAY..SUNNY. HIGH 30.  
TUESDAY NIGHT..CLEAR. LOW 13.  
WEDNESDAY..SUNNY. HIGH 29.  
WEDNESDAY NIGHT..CLEAR. LOW 13.  
THURSDAY..SUNNY. HIGH 28.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 11.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 26.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 11.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 26.  
NORMALS FOR THE PERIOD..LOW 7. HIGH 21.  
 
AIRDRIE - COCHRANE - OLDS - SUNDRE.  
MONDAY NIGHT..CLEAR. LOW 6.  
TUESDAY..SUNNY. HIGH 28.  
TUESDAY NIGHT..CLEAR. LOW 6.  
WEDNESDAY..SUNNY. HIGH 30.  
WEDNESDAY NIGHT..CLEAR. LOW 7.  
THURSDAY..SUNNY. HIGH 27.  
THURSDAY NIGHT..CLEAR. LOW 8.  
FRIDAY..SUNNY. HIGH 27.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 9.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 25.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 20.  
 
OKOTOKS - HIGH RIVER - CLARESHOLM.  
MONDAY NIGHT..CLEAR. LOW 10.  
TUESDAY..SUNNY. HIGH 28.  
TUESDAY NIGHT..CLEAR. LOW 10.  
WEDNESDAY..SUNNY. HIGH 27.  
WEDNESDAY NIGHT..CLEAR. LOW 8.  
THURSDAY..SUNNY. HIGH 25.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 11.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 26.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 11.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 26.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 21.  
 
DRUMHELLER - THREE HILLS.  
MONDAY NIGHT..CLEAR. LOW 12.  
TUESDAY..SUNNY. HIGH 33.  
TUESDAY NIGHT..CLEAR. LOW 11.  
WEDNESDAY..SUNNY. HIGH 33.  
WEDNESDAY NIGHT..CLEAR. LOW 12.  
THURSDAY..SUNNY. HIGH 33.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 11.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 28.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 11.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 28.  
NORMALS FOR THE PERIOD..LOW 8. HIGH 22.  
 
BROOKS - STRATHMORE - VULCAN.  
MONDAY NIGHT..CLEAR. LOW 10.  
TUESDAY..SUNNY. HIGH 33.  
TUESDAY NIGHT..CLEAR. LOW 10.  
WEDNESDAY..SUNNY. HIGH 33.  
WEDNESDAY NIGHT..CLEAR. LOW 12.  
THURSDAY..SUNNY. HIGH 31.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 12.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 28.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 12.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 28.  
NORMALS FOR THE PERIOD..LOW 9. HIGH 24.  
 
KANANASKIS - CANMORE.  
MONDAY NIGHT..CLEAR. LOW 10.  
TUESDAY..SUNNY. HIGH 28.  
TUESDAY NIGHT..CLEAR. LOW 11.  
WEDNESDAY..SUNNY. HIGH 29.  
WEDNESDAY NIGHT..CLEAR. LOW 11.  
THURSDAY..SUNNY. HIGH 28.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 7.  
FRIDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
HIGH 25.  
FRIDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
LOW 8.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 23.  
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 20.  
 
BANFF NATIONAL PARK  
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.  
MONDAY NIGHT..CLEAR. LOW 7.  
TUESDAY..SUNNY. HIGH 28.  
TUESDAY NIGHT..CLEAR. LOW 6.  
WEDNESDAY..SUNNY. HIGH 28.  
WEDNESDAY NIGHT..CLEAR. LOW 9.  
THURSDAY..SUNNY. HIGH 27.  
THURSDAY NIGHT..CLEAR. LOW PLUS 5.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 26.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 23.  
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 20.  
 
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING  
JASPER NATIONAL PARK.  
MONDAY NIGHT..CLEAR. LOW 8.  
TUESDAY..SUNNY. HIGH 34.  
TUESDAY NIGHT..CLEAR. LOW 7.  
WEDNESDAY..SUNNY. HIGH 30.  
WEDNESDAY NIGHT..CLEAR. LOW 8.  
THURSDAY..SUNNY. HIGH 33.  
THURSDAY NIGHT..CLEAR. LOW 6.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 27.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 7.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 23.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 20.  
 
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.  
MONDAY NIGHT..CLEAR. LOW 10.  
TUESDAY..SUNNY. HIGH 26.  
TUESDAY NIGHT..CLEAR. LOW 8.  
WEDNESDAY..SUNNY. HIGH 29.  
WEDNESDAY NIGHT..CLEAR. LOW 8.  
THURSDAY..SUNNY. HIGH 27.  
THURSDAY NIGHT..CLEAR. LOW 7.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 27.  
FRIDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
LOW 8.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 23.  
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 19.  
 
ROCKY MOUNTAIN HOUSE - CAROLINE.  
MONDAY NIGHT..CLEAR. LOW 8.  
TUESDAY..SUNNY. HIGH 28.  
TUESDAY NIGHT..CLEAR. LOW 8.  
WEDNESDAY..SUNNY. HIGH 30.  
WEDNESDAY NIGHT..CLEAR. LOW 8.  
THURSDAY..SUNNY. HIGH 30.  
THURSDAY NIGHT..CLEAR. LOW 8.  
FRIDAY..SUNNY. HIGH 26.  
FRIDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.  
LOW 9.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 24.  
NORMALS FOR THE PERIOD..LOW 6. HIGH 20.  
 
RED DEER - PONOKA - INNISFAIL - STETTLER.  
MONDAY NIGHT..CLEAR. LOW 8.  
TUESDAY..SUNNY. HIGH 31.  
TUESDAY NIGHT..CLEAR. LOW 9.  
WEDNESDAY..SUNNY. HIGH 30.  
WEDNESDAY NIGHT..CLEAR. LOW 10.  
THURSDAY..SUNNY. HIGH 30.  
THURSDAY NIGHT..CLEAR. LOW 10.  
FRIDAY..SUNNY. HIGH 28.  
FRIDAY NIGHT..CLEAR. LOW 10.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 27.  
NORMALS FOR THE PERIOD..LOW 8. HIGH 21.  
 
HANNA - CORONATION - OYEN.  
MONDAY NIGHT..CLEAR. LOW 9.  
TUESDAY..SUNNY. HIGH 31.  
TUESDAY NIGHT..CLEAR. LOW 9.  
WEDNESDAY..SUNNY. HIGH 32.  
WEDNESDAY NIGHT..CLEAR. LOW 10.  
THURSDAY..SUNNY. HIGH 33.  
THURSDAY NIGHT..CLEAR. LOW 11.  
FRIDAY..SUNNY. HIGH 30.  
FRIDAY NIGHT..CLEAR. LOW 12.  
SATURDAY..SUNNY. HIGH 29.  
NORMALS FOR THE PERIOD..LOW 8. HIGH 22.  
 
MEDICINE HAT - BOW ISLAND - SUFFIELD.  
MONDAY NIGHT..CLEAR. LOW 13.  
TUESDAY..SUNNY. HIGH 33.  
TUESDAY NIGHT..CLEAR. LOW 13.  
WEDNESDAY..SUNNY. HIGH 32.  
WEDNESDAY NIGHT..CLEAR. LOW 13.  
THURSDAY..CLOUDY. HIGH 29.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 13.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 28.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 12.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 29.  
NORMALS FOR THE PERIOD..LOW 10. HIGH 25.  
 
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.  
MONDAY NIGHT..CLEAR. LOW 11.  
TUESDAY..SUNNY. HIGH 31.  
TUESDAY NIGHT..CLEAR. LOW 12.  
WEDNESDAY..SUNNY. HIGH 32.  
WEDNESDAY NIGHT..CLEAR. LOW 12.  
THURSDAY..CLOUDY. HIGH 26.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 13.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 27.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 12.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 28.  
NORMALS FOR THE PERIOD..LOW 9. HIGH 25.  
 
LETHBRIDGE - TABER - MILK RIVER.  
MONDAY NIGHT..CLEAR. LOW 9.  
TUESDAY..SUNNY. HIGH 31.  
TUESDAY NIGHT..CLEAR. LOW 9.  
WEDNESDAY..SUNNY. HIGH 32.  
WEDNESDAY NIGHT..CLEAR. LOW 11.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 27.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 12.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 27.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 11.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 26.  
NORMALS FOR THE PERIOD..LOW 9. HIGH 24.  
 
CARDSTON - FORT MACLEOD - MAGRATH.  
MONDAY NIGHT..CLEAR. LOW 11.  
TUESDAY..SUNNY. HIGH 30.  
TUESDAY NIGHT..CLEAR. LOW 9.  
WEDNESDAY..SUNNY. HIGH 31.  
WEDNESDAY NIGHT..CLEAR. LOW 10.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 25.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 13.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 25.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 11.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 26.  
NORMALS FOR THE PERIOD..LOW 8. HIGH 23.  
 
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.  
MONDAY NIGHT..CLEAR. LOW 8.  
TUESDAY..SUNNY. HIGH 28.  
TUESDAY NIGHT..CLEAR. LOW 8.  
WEDNESDAY..SUNNY. HIGH 28.  
WEDNESDAY NIGHT..CLEAR. LOW 10.  
THURSDAY..SUNNY. HIGH 25.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 13.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 25.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 11.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 25.  
NORMALS FOR THE PERIOD..LOW 7. HIGH 21.  
 
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