FPCN53 CWWG 172124
EXTENDED FORECASTS FROM TUESDAY 19 MAY TO SATURDAY 23 MAY FOR
SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY ENVIRONMENT CANADA
AT 3:30 P.M. MDT SUNDAY 17 MAY 2026.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:30 A.M. MDT MONDAY.

CITY OF CALGARY.
TUESDAY..SUNNY. HIGH 17.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 12.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 5.
THURSDAY..SUNNY. HIGH 17.
THURSDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 5.
FRIDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
 HIGH 16.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 22.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.

AIRDRIE - COCHRANE - OLDS - SUNDRE.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 16.
TUESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 3.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 10.
WEDNESDAY NIGHT..CLEAR. LOW ZERO.
THURSDAY..INCREASING CLOUDINESS. HIGH 16.
THURSDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 4.
FRIDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
 HIGH 16.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 20.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 16.

OKOTOKS - HIGH RIVER - CLARESHOLM.
TUESDAY..SUNNY. HIGH 18.
TUESDAY NIGHT..CLEAR. LOW PLUS 5.
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
 HIGH 14.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 6.
THURSDAY..SUNNY. HIGH 19.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
FRIDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
 HIGH 17.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 22.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 15.

DRUMHELLER - THREE HILLS.
TUESDAY..SUNNY. HIGH 19.
TUESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.
 LOW 6.
WEDNESDAY..INCREASING CLOUDINESS. HIGH 14.
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 4.
THURSDAY..SUNNY. HIGH 20.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 17.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 23.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 18.

BROOKS - STRATHMORE - VULCAN.
TUESDAY..SUNNY. HIGH 20.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 7.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 15.
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 5.
THURSDAY..SUNNY. HIGH 19.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 6.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 18.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 7.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 24.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 19.

KANANASKIS - CANMORE.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 16.
TUESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 3.
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.
 HIGH 12.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 2.
THURSDAY..SUNNY. HIGH 18.
THURSDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 4.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 16.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 20.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 15.

BANFF NATIONAL PARK.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 14.
TUESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF RAIN SHOWERS OR
 FLURRIES. LOW PLUS 1.
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.
 HIGH 11.
WEDNESDAY NIGHT..CLEAR. LOW MINUS 1.
THURSDAY..SUNNY. HIGH 15.
THURSDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 3.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 16.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 15.

HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 14.
TUESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF RAIN SHOWERS OR
 FLURRIES. LOW PLUS 1.
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.
 HIGH 11.
WEDNESDAY NIGHT..CLEAR. LOW MINUS 1.
THURSDAY..SUNNY. HIGH 15.
THURSDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 3.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 16.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 15.

HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING.
TUESDAY..CLOUDY. HIGH 14.
TUESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 2.
WEDNESDAY..CLEARING. HIGH 16.
WEDNESDAY NIGHT..CLEAR. LOW ZERO.
THURSDAY..CLOUDY. HIGH 15.
THURSDAY NIGHT..CLOUDY. LOW PLUS 4.
FRIDAY..CLOUDY. HIGH 18.
FRIDAY NIGHT..CLOUDY. LOW PLUS 3.
SATURDAY..CLOUDY. HIGH 16.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 17.

JASPER NATIONAL PARK.
TUESDAY..CLOUDY. HIGH 14.
TUESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 2.
WEDNESDAY..CLEARING. HIGH 16.
WEDNESDAY NIGHT..CLEAR. LOW ZERO.
THURSDAY..CLOUDY. HIGH 15.
THURSDAY NIGHT..CLOUDY. LOW PLUS 4.
FRIDAY..CLOUDY. HIGH 18.
FRIDAY NIGHT..CLOUDY. LOW PLUS 3.
SATURDAY..CLOUDY. HIGH 16.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 17.

NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
TUESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
 HIGH 13.
TUESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
 MINUS 1.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 10.
WEDNESDAY NIGHT..CLEAR. LOW MINUS 3.
THURSDAY..SUNNY. HIGH 14.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 17.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW ZERO. HIGH 14.

ROCKY MOUNTAIN HOUSE - CAROLINE.
TUESDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.
 HIGH 15.
TUESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 2.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 13.
WEDNESDAY NIGHT..CLEAR. LOW ZERO.
THURSDAY..INCREASING CLOUDINESS. HIGH 16.
THURSDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW PLUS 4.
FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 17.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 20.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 17.

RED DEER - PONOKA - INNISFAIL - STETTLER.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
TUESDAY NIGHT..CLOUDY PERIODS WITH 40 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 12.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 2.
THURSDAY..INCREASING CLOUDINESS. HIGH 17.
THURSDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW PLUS 5.
FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 17.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 20.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 18.

HANNA - CORONATION - OYEN.
TUESDAY..SUNNY. HIGH 17.
TUESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 6.
WEDNESDAY..CLOUDY. HIGH 12.
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 3.
THURSDAY..SUNNY. HIGH 17.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 6.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 19.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 23.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 19.

MEDICINE HAT - BOW ISLAND - SUFFIELD.
TUESDAY..SUNNY. HIGH 20.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 7.
WEDNESDAY..CLOUDY. HIGH 14.
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 5.
THURSDAY..CLEARING. HIGH 18.
THURSDAY NIGHT..CLEAR. LOW 6.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 18.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 7.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 25.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 20.

CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
TUESDAY..SUNNY. HIGH 18.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 6.
WEDNESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 11.
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS.
 LOW PLUS 3.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 16.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 19.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 24.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 19.

LETHBRIDGE - TABER - MILK RIVER.
TUESDAY..SUNNY. HIGH 18.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 6.
WEDNESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 11.
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 40 PERCENT CHANCE OF SHOWERS.
 LOW PLUS 5.
THURSDAY..SUNNY. HIGH 18.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
FRIDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
 HIGH 18.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 25.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 19.

CARDSTON - FORT MACLEOD - MAGRATH.
TUESDAY..SUNNY. HIGH 16.
TUESDAY NIGHT..CLEAR. LOW 6.
WEDNESDAY..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS. HIGH 8.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
THURSDAY..SUNNY. HIGH 17.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 19.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 24.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.

CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
TUESDAY..SUNNY. HIGH 16.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
WEDNESDAY..PERIODS OF RAIN. HIGH 6.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
THURSDAY..SUNNY. HIGH 16.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
FRIDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.
 HIGH 19.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 24.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 16.

END