548  
FPCN53 CWWG 102124  
EXTENDED FORECASTS FROM TUESDAY 12 MAY TO SATURDAY 16 MAY FOR  
SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY ENVIRONMENT CANADA  
AT 3:30 P.M. MDT SUNDAY 10 MAY 2026.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:30 A.M. MDT MONDAY.  
 
CITY OF CALGARY.  
TUESDAY..SUNNY. HIGH 22.  
TUESDAY NIGHT..CLOUDY PERIODS. LOW 11.  
WEDNESDAY..CLOUDY. HIGH 26.  
WEDNESDAY NIGHT..CLOUDY. LOW 10.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 6.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 14.  
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 16.  
 
AIRDRIE - COCHRANE - OLDS - SUNDRE.  
TUESDAY..SUNNY. HIGH 22.  
TUESDAY NIGHT..CLEAR. LOW 6.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 25.  
WEDNESDAY NIGHT..CLOUDY. LOW 6.  
THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 15.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 17.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.  
SATURDAY..CLOUDY. HIGH 12.  
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 15.  
 
OKOTOKS - HIGH RIVER - CLARESHOLM.  
TUESDAY..SUNNY. HIGH 24.  
TUESDAY NIGHT..CLEAR. LOW 8.  
WEDNESDAY..CLOUDY. HIGH 26.  
WEDNESDAY NIGHT..CLOUDY. LOW 12.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 6.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.  
SATURDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 15.  
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 14.  
 
DRUMHELLER - THREE HILLS.  
TUESDAY..SUNNY. HIGH 25.  
TUESDAY NIGHT..CLEAR. LOW 10.  
WEDNESDAY..CLOUDY. HIGH 28.  
WEDNESDAY NIGHT..CLOUDY. LOW 12.  
THURSDAY..SUNNY. HIGH 22.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 6.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 22.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.  
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 17.  
 
BROOKS - STRATHMORE - VULCAN.  
TUESDAY..SUNNY. HIGH 24.  
TUESDAY NIGHT..CLEAR. LOW 8.  
WEDNESDAY..CLOUDY. HIGH 29.  
WEDNESDAY NIGHT..CLOUDY. WINDY. LOW 12.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 22.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 7.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 24.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 19.  
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 18.  
 
KANANASKIS - CANMORE.  
TUESDAY..SUNNY. HIGH 24.  
TUESDAY NIGHT..CLEAR. LOW 14.  
WEDNESDAY..CLOUDY. HIGH 28.  
WEDNESDAY NIGHT..CLOUDY. LOW 12.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 16.  
FRIDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 4.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 11.  
NORMALS FOR THE PERIOD..LOW ZERO. HIGH 14.  
 
BANFF NATIONAL PARK.  
TUESDAY..SUNNY. HIGH 20.  
TUESDAY NIGHT..CLEAR. LOW PLUS 5.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 8.  
THURSDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.  
HIGH 13.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 15.  
FRIDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 2.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 10.  
NORMALS FOR THE PERIOD..LOW ZERO. HIGH 14.  
 
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.  
TUESDAY..SUNNY. HIGH 20.  
TUESDAY NIGHT..CLEAR. LOW PLUS 5.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 8.  
THURSDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.  
HIGH 13.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 15.  
FRIDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 2.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 10.  
NORMALS FOR THE PERIOD..LOW ZERO. HIGH 14.  
 
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING.  
TUESDAY..SUNNY. HIGH 23.  
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.  
WEDNESDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 19.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 6.  
THURSDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 15.  
THURSDAY NIGHT..CLOUDY. LOW PLUS 3.  
FRIDAY..CLOUDY. HIGH 13.  
FRIDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW PLUS 2.  
SATURDAY..CLOUDY. HIGH 11.  
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 15.  
 
JASPER NATIONAL PARK.  
TUESDAY..SUNNY. HIGH 23.  
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.  
WEDNESDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 19.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 6.  
THURSDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 15.  
THURSDAY NIGHT..CLOUDY. LOW PLUS 3.  
FRIDAY..CLOUDY. HIGH 13.  
FRIDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW PLUS 2.  
SATURDAY..CLOUDY. HIGH 11.  
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 15.  
 
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.  
TUESDAY..SUNNY. HIGH 20.  
TUESDAY NIGHT..CLOUDY PERIODS. LOW 6.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 14.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 14.  
FRIDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 3.  
SATURDAY..CLOUDY. HIGH 11.  
NORMALS FOR THE PERIOD..LOW MINUS 1. HIGH 13.  
 
ROCKY MOUNTAIN HOUSE - CAROLINE.  
TUESDAY..SUNNY. HIGH 22.  
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 25.  
WEDNESDAY NIGHT..CLEARING. LOW 7.  
THURSDAY..SUNNY. HIGH 17.  
THURSDAY NIGHT..CLEAR. LOW PLUS 3.  
FRIDAY..INCREASING CLOUDINESS. HIGH 17.  
FRIDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 3.  
SATURDAY..CLOUDY. HIGH 12.  
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 16.  
 
RED DEER - PONOKA - INNISFAIL - STETTLER.  
TUESDAY..SUNNY. HIGH 21.  
TUESDAY NIGHT..CLEAR. LOW 6.  
WEDNESDAY..INCREASING CLOUDINESS. HIGH 25.  
WEDNESDAY NIGHT..CLOUDY. LOW 8.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 17.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.  
SATURDAY..CLOUDY. HIGH 13.  
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 17.  
 
HANNA - CORONATION - OYEN.  
TUESDAY..SUNNY. HIGH 23.  
TUESDAY NIGHT..CLEAR. LOW 7.  
WEDNESDAY..INCREASING CLOUDINESS. HIGH 27.  
WEDNESDAY NIGHT..CLOUDY. WINDY. LOW 11.  
THURSDAY..SUNNY. WINDY. HIGH 19.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 6.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 22.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.  
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 17.  
 
MEDICINE HAT - BOW ISLAND - SUFFIELD.  
TUESDAY..SUNNY. HIGH 25.  
TUESDAY NIGHT..CLEAR. LOW 12.  
WEDNESDAY..INCREASING CLOUDINESS. HIGH 31.  
WEDNESDAY NIGHT..CLOUDY. LOW 14.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 23.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 7.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 26.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 7.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 19.  
 
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.  
TUESDAY..SUNNY. HIGH 24.  
TUESDAY NIGHT..CLEAR. LOW 9.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 30.  
WEDNESDAY NIGHT..CLOUDY. WINDY. LOW 14.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 21.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 7.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 25.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 7.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 18.  
 
LETHBRIDGE - TABER - MILK RIVER.  
TUESDAY..SUNNY. HIGH 25.  
TUESDAY NIGHT..CLEAR. LOW 8.  
WEDNESDAY..CLOUDY. HIGH 30.  
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 11.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 20.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 6.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 24.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
HIGH 17.  
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 18.  
 
CARDSTON - FORT MACLEOD - MAGRATH.  
TUESDAY..SUNNY. HIGH 25.  
TUESDAY NIGHT..CLEAR. LOW 10.  
WEDNESDAY..CLOUDY. HIGH 27.  
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 10.  
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 19.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 6.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 23.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
HIGH 17.  
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 16.  
 
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.  
TUESDAY..SUNNY. HIGH 23.  
TUESDAY NIGHT..CLEAR. LOW 8.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 26.  
WEDNESDAY NIGHT..CLOUDY. LOW 10.  
THURSDAY..SUNNY. HIGH 18.  
THURSDAY NIGHT..CLEAR. LOW 6.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 22.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.  
HIGH 16.  
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 15.  
 
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