720  
FPCN53 CWWG 171024  
EXTENDED FORECASTS FROM WEDNESDAY NIGHT 18 MARCH TO MONDAY 23 MARCH  
FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY ENVIRONMENT  
CANADA AT 4:30 A.M. MDT TUESDAY 17 MARCH 2026.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 10:30 A.M. MDT.  
 
CITY OF CALGARY.  
WEDNESDAY NIGHT..CLEAR. LOW PLUS 5.  
THURSDAY..SUNNY. HIGH 17.  
THURSDAY NIGHT..CLEAR. LOW PLUS 5.  
FRIDAY..SUNNY. HIGH 17.  
FRIDAY NIGHT..INCREASING CLOUDINESS. LOW MINUS 1.  
SATURDAY..SNOW. HIGH PLUS 1.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. LOW  
MINUS 5.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 5.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 4.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 6.  
NORMALS FOR THE PERIOD..LOW MINUS 7. HIGH PLUS 5.  
 
AIRDRIE - COCHRANE - OLDS - SUNDRE.  
WEDNESDAY NIGHT..CLEAR. LOW PLUS 1.  
THURSDAY..SUNNY. HIGH 17.  
THURSDAY NIGHT..CLEAR. LOW PLUS 1.  
FRIDAY..SUNNY. HIGH 14.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW MINUS 1.  
SATURDAY..PERIODS OF SNOW. HIGH MINUS 1.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. LOW  
MINUS 8.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 3.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 8.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 5.  
NORMALS FOR THE PERIOD..LOW MINUS 9. HIGH PLUS 4.  
 
OKOTOKS - HIGH RIVER - CLARESHOLM.  
WEDNESDAY NIGHT..CLEAR. LOW 11.  
THURSDAY..SUNNY. HIGH 20.  
THURSDAY NIGHT..CLEAR. LOW 14.  
FRIDAY..SUNNY. HIGH 21.  
FRIDAY NIGHT..CLEAR. LOW PLUS 4.  
SATURDAY..RAIN OR SNOW. HIGH PLUS 2.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. LOW  
MINUS 5.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 6.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 4.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 8.  
NORMALS FOR THE PERIOD..LOW MINUS 8. HIGH PLUS 4.  
 
DRUMHELLER - THREE HILLS.  
WEDNESDAY NIGHT..CLEAR. LOW PLUS 2.  
THURSDAY..SUNNY. HIGH 18.  
THURSDAY NIGHT..CLEAR. LOW PLUS 2.  
FRIDAY..SUNNY. HIGH 15.  
FRIDAY NIGHT..CLEAR. LOW PLUS 2.  
SATURDAY..RAIN OR SNOW. HIGH PLUS 4.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW MINUS 7.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 4.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 7.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 5.  
NORMALS FOR THE PERIOD..LOW MINUS 8. HIGH PLUS 4.  
 
BROOKS - STRATHMORE - VULCAN.  
WEDNESDAY NIGHT..CLEAR. LOW 6.  
THURSDAY..SUNNY. HIGH 19.  
THURSDAY NIGHT..CLEAR. LOW 7.  
FRIDAY..SUNNY. WINDY. HIGH 17.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.  
SATURDAY..PERIODS OF RAIN OR SNOW. HIGH PLUS 4.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF RAIN SHOWERS OR  
FLURRIES. LOW MINUS 7.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 6.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 6.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 7.  
NORMALS FOR THE PERIOD..LOW MINUS 7. HIGH PLUS 5.  
 
KANANASKIS - CANMORE.  
WEDNESDAY NIGHT..CLEAR. LOW PLUS 5.  
THURSDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.  
HIGH 13.  
THURSDAY NIGHT..SHOWERS. LOW 6.  
FRIDAY..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS. HIGH 12.  
FRIDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW ZERO.  
SATURDAY..RAIN OR SNOW. HIGH ZERO.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. LOW  
MINUS 7.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 5.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 7.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 6.  
NORMALS FOR THE PERIOD..LOW MINUS 7. HIGH PLUS 5.  
 
BANFF NATIONAL PARK.  
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 6.  
THURSDAY..SHOWERS. HIGH 10.  
THURSDAY NIGHT..RAIN. LOW PLUS 5.  
FRIDAY..SHOWERS. HIGH 11.  
FRIDAY NIGHT..PERIODS OF RAIN. LOW PLUS 1.  
SATURDAY..SNOW. HIGH PLUS 1.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. LOW  
MINUS 9.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 4.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 9.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 5.  
NORMALS FOR THE PERIOD..LOW MINUS 10. HIGH PLUS 4.  
 
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.  
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 6.  
THURSDAY..SHOWERS. HIGH 10.  
THURSDAY NIGHT..RAIN. LOW PLUS 5.  
FRIDAY..SHOWERS. HIGH 11.  
FRIDAY NIGHT..PERIODS OF RAIN. LOW PLUS 1.  
SATURDAY..SNOW. HIGH PLUS 1.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. LOW  
MINUS 9.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 4.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 9.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 5.  
NORMALS FOR THE PERIOD..LOW MINUS 10. HIGH PLUS 4.  
 
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING.  
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW  
PLUS 4.  
THURSDAY..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS. HIGH 12.  
THURSDAY NIGHT..SHOWERS. LOW PLUS 2.  
FRIDAY..SHOWERS. HIGH 10.  
FRIDAY NIGHT..RAIN SHOWERS OR FLURRIES. LOW MINUS 2.  
SATURDAY..PERIODS OF SNOW. HIGH PLUS 1.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW MINUS 7.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 3.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 6.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 4.  
NORMALS FOR THE PERIOD..LOW MINUS 7. HIGH PLUS 4.  
 
JASPER NATIONAL PARK.  
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW  
PLUS 4.  
THURSDAY..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS. HIGH 12.  
THURSDAY NIGHT..SHOWERS. LOW PLUS 2.  
FRIDAY..SHOWERS. HIGH 10.  
FRIDAY NIGHT..RAIN SHOWERS OR FLURRIES. LOW MINUS 2.  
SATURDAY..PERIODS OF SNOW. HIGH PLUS 1.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW MINUS 7.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 3.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 6.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 4.  
NORMALS FOR THE PERIOD..LOW MINUS 7. HIGH PLUS 4.  
 
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.  
WEDNESDAY NIGHT..CLEAR. LOW PLUS 2.  
THURSDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
HIGH 12.  
THURSDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW PLUS 2.  
FRIDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 10.  
FRIDAY NIGHT..CLOUDY WITH 70 PERCENT CHANCE OF RAIN SHOWERS OR  
FLURRIES. LOW MINUS 4.  
SATURDAY..SNOW. HIGH MINUS 2.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. LOW  
MINUS 9.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 2.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 9.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 4.  
NORMALS FOR THE PERIOD..LOW MINUS 11. HIGH PLUS 4.  
 
ROCKY MOUNTAIN HOUSE - CAROLINE.  
WEDNESDAY NIGHT..CLEAR. LOW ZERO.  
THURSDAY..SUNNY. HIGH 13.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 10.  
FRIDAY NIGHT..INCREASING CLOUDINESS. LOW MINUS 2.  
SATURDAY..PERIODS OF SNOW. HIGH MINUS 1.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW MINUS 10.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 3.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 9.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 4.  
NORMALS FOR THE PERIOD..LOW MINUS 10. HIGH PLUS 4.  
 
RED DEER - PONOKA - INNISFAIL - STETTLER.  
WEDNESDAY NIGHT..CLEAR. LOW ZERO.  
THURSDAY..SUNNY. HIGH 12.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.  
FRIDAY..SUNNY. HIGH 9.  
FRIDAY NIGHT..INCREASING CLOUDINESS. LOW MINUS 1.  
SATURDAY..SNOW. HIGH MINUS 1.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW MINUS 9.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 1.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 10.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 4.  
NORMALS FOR THE PERIOD..LOW MINUS 8. HIGH PLUS 3.  
 
HANNA - CORONATION - OYEN.  
WEDNESDAY NIGHT..CLEAR. LOW MINUS 1.  
THURSDAY..SUNNY. HIGH 16.  
THURSDAY NIGHT..CLEAR. LOW PLUS 1.  
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 12.  
FRIDAY NIGHT..CLOUDY PERIODS. WINDY. LOW MINUS 1.  
SATURDAY..PERIODS OF SNOW. HIGH ZERO.  
SATURDAY NIGHT..CLOUDY PERIODS. LOW MINUS 9.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 2.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 8.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 4.  
NORMALS FOR THE PERIOD..LOW MINUS 9. HIGH PLUS 2.  
 
MEDICINE HAT - BOW ISLAND - SUFFIELD.  
WEDNESDAY NIGHT..CLEAR. LOW 9.  
THURSDAY..SUNNY. HIGH 21.  
THURSDAY NIGHT..CLEAR. LOW 9.  
FRIDAY..SUNNY. HIGH 21.  
FRIDAY NIGHT..CLEAR. LOW 9.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.  
HIGH 10.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF RAIN SHOWERS  
OR FLURRIES. LOW MINUS 7.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 7.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 7.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 8.  
NORMALS FOR THE PERIOD..LOW MINUS 6. HIGH 6.  
 
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.  
WEDNESDAY NIGHT..CLEAR. LOW 7.  
THURSDAY..SUNNY. WINDY. HIGH 19.  
THURSDAY NIGHT..CLEAR. LOW 10.  
FRIDAY..SUNNY. WINDY. HIGH 22.  
FRIDAY NIGHT..CLEAR. LOW 8.  
SATURDAY..INCREASING CLOUDINESS. HIGH 10.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW  
MINUS 5.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 8.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 6.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 10.  
NORMALS FOR THE PERIOD..LOW MINUS 6. HIGH 6.  
 
LETHBRIDGE - TABER - MILK RIVER.  
WEDNESDAY NIGHT..CLEAR. LOW 9.  
THURSDAY..SUNNY. HIGH 19.  
THURSDAY NIGHT..CLEAR. LOW 11.  
FRIDAY..SUNNY. WINDY. HIGH 18.  
FRIDAY NIGHT..CLEAR. WINDY. LOW 8.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WINDY. HIGH 10.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF RAIN SHOWERS OR  
FLURRIES. LOW MINUS 5.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 8.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 5.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 9.  
NORMALS FOR THE PERIOD..LOW MINUS 6. HIGH 7.  
 
CARDSTON - FORT MACLEOD - MAGRATH.  
WEDNESDAY NIGHT..CLEAR. LOW 9.  
THURSDAY..SUNNY. HIGH 18.  
THURSDAY NIGHT..CLEAR. LOW 12.  
FRIDAY..SUNNY. WINDY. HIGH 20.  
FRIDAY NIGHT..CLEAR. WINDY. LOW 10.  
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
HIGH 11.  
SATURDAY NIGHT..CLOUDY PERIODS WITH 40 PERCENT CHANCE OF RAIN SHOWERS  
OR FLURRIES. LOW MINUS 4.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 9.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 5.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 10.  
NORMALS FOR THE PERIOD..LOW MINUS 6. HIGH 6.  
 
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.  
WEDNESDAY NIGHT..CLEAR. WINDY. LOW 7.  
THURSDAY..A MIX OF SUN AND CLOUD. WINDY. HIGH 16.  
THURSDAY NIGHT..CLOUDY PERIODS. LOW 8.  
FRIDAY..A MIX OF SUN AND CLOUD. WINDY. HIGH 18.  
FRIDAY NIGHT..CLOUDY PERIODS. LOW 8.  
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WINDY. HIGH 9.  
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF RAIN SHOWERS OR  
FLURRIES. LOW MINUS 4.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 8.  
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 5.  
MONDAY..A MIX OF SUN AND CLOUD. HIGH 10.  
NORMALS FOR THE PERIOD..LOW MINUS 5. HIGH PLUS 5.  
 
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