174
FPCN53 CWWG 181024
EXTENDED FORECASTS FROM FRIDAY NIGHT 19 SEPTEMBER TO WEDNESDAY 24
SEPTEMBER FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY
ENVIRONMENT CANADA AT 4:30 A.M. MDT THURSDAY 18 SEPTEMBER 2025.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 10:30 A.M. MDT.
CITY OF CALGARY.
FRIDAY NIGHT..CLEAR. LOW 11.
SATURDAY..SUNNY. HIGH 28.
SATURDAY NIGHT..CLEAR. LOW 11.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 22.
SUNDAY NIGHT..CLEAR. LOW 7.
MONDAY..SUNNY. HIGH 21.
MONDAY NIGHT..CLOUDY PERIODS. LOW 8.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 20.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 21.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 17.
AIRDRIE - COCHRANE - OLDS - SUNDRE.
FRIDAY NIGHT..CLEAR. LOW PLUS 3.
SATURDAY..SUNNY. HIGH 30.
SATURDAY NIGHT..CLEAR. LOW PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.
HIGH 19.
SUNDAY NIGHT..CLEAR. LOW PLUS 2.
MONDAY..SUNNY. HIGH 21.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 20.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 16.
OKOTOKS - HIGH RIVER - CLARESHOLM.
FRIDAY NIGHT..CLEAR. LOW 6.
SATURDAY..SUNNY. HIGH 29.
SATURDAY NIGHT..CLEAR. LOW 9.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 23.
SUNDAY NIGHT..CLEAR. LOW PLUS 5.
MONDAY..SUNNY. HIGH 22.
MONDAY NIGHT..CLOUDY PERIODS. LOW 7.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 22.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 22.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 16.
DRUMHELLER - THREE HILLS.
FRIDAY NIGHT..CLEAR. LOW 8.
SATURDAY..SUNNY. HIGH 30.
SATURDAY NIGHT..CLEAR. LOW 9.
SUNDAY..SUNNY. HIGH 23.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 7.
MONDAY..SUNNY. HIGH 23.
MONDAY NIGHT..CLEAR. LOW 6.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 20.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 22.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 17.
BROOKS - STRATHMORE - VULCAN.
FRIDAY NIGHT..CLEAR. LOW 7.
SATURDAY..SUNNY. HIGH 29.
SATURDAY NIGHT..CLEAR. LOW 11.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 26.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 7.
MONDAY..SUNNY. HIGH 23.
MONDAY NIGHT..CLEAR. LOW 7.
TUESDAY..SUNNY. HIGH 24.
TUESDAY NIGHT..CLEAR. LOW PLUS 5.
WEDNESDAY..SUNNY. HIGH 24.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 18.
KANANASKIS - CANMORE.
FRIDAY NIGHT..CLEAR. LOW 9.
SATURDAY..SUNNY. HIGH 25.
SATURDAY NIGHT..CLEAR. LOW 10.
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 19.
SUNDAY NIGHT..CLEAR. LOW 6.
MONDAY..SUNNY. HIGH 20.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 20.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 16.
BANFF NATIONAL PARK
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.
FRIDAY NIGHT..CLEAR. LOW PLUS 5.
SATURDAY..SUNNY. HIGH 24.
SATURDAY NIGHT..CLEAR. LOW 10.
SUNDAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS.
HIGH 15.
SUNDAY NIGHT..CLEAR. LOW PLUS 4.
MONDAY..SUNNY. HIGH 17.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
TUESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
PLUS 1.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 22.
NORMALS FOR THE PERIOD..LOW ZERO. HIGH 15.
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING
JASPER NATIONAL PARK.
FRIDAY NIGHT..CLEAR. LOW PLUS 4.
SATURDAY..SUNNY. HIGH 26.
SATURDAY NIGHT..SHOWERS. LOW 11.
SUNDAY..SHOWERS. HIGH 14.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 7.
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 15.
MONDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 6.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 17.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
WEDNESDAY..CLOUDY. HIGH 18.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 15.
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
FRIDAY NIGHT..CLEAR. LOW PLUS 5.
SATURDAY..SUNNY. HIGH 27.
SATURDAY NIGHT..CLEAR. LOW 7.
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 15.
SUNDAY NIGHT..CLEARING. LOW PLUS 3.
MONDAY..SUNNY. HIGH 18.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 17.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW MINUS 1. HIGH 14.
ROCKY MOUNTAIN HOUSE - CAROLINE.
FRIDAY NIGHT..CLEAR. LOW 6.
SATURDAY..SUNNY. HIGH 28.
SATURDAY NIGHT..CLEAR. LOW PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 18.
SUNDAY NIGHT..CLEAR. LOW PLUS 4.
MONDAY..SUNNY. HIGH 20.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 19.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 15.
RED DEER - PONOKA - INNISFAIL - STETTLER.
FRIDAY NIGHT..CLEAR. LOW 6.
SATURDAY..SUNNY. HIGH 29.
SATURDAY NIGHT..CLEAR. LOW 7.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 21.
SUNDAY NIGHT..CLEAR. LOW 6.
MONDAY..SUNNY. HIGH 21.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 20.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 20.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 16.
HANNA - CORONATION - OYEN.
FRIDAY NIGHT..CLEAR. LOW 6.
SATURDAY..SUNNY. HIGH 27.
SATURDAY NIGHT..CLEAR. LOW 8.
SUNDAY..SUNNY. HIGH 25.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 6.
MONDAY..SUNNY. HIGH 21.
MONDAY NIGHT..CLEAR. LOW PLUS 5.
TUESDAY..SUNNY. HIGH 21.
TUESDAY NIGHT..CLEAR. LOW PLUS 4.
WEDNESDAY..SUNNY. HIGH 20.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 16.
MEDICINE HAT - BOW ISLAND - SUFFIELD.
FRIDAY NIGHT..CLEAR. LOW 8.
SATURDAY..SUNNY. HIGH 30.
SATURDAY NIGHT..CLEAR. LOW 12.
SUNDAY..SUNNY. HIGH 26.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 9.
MONDAY..SUNNY. HIGH 23.
MONDAY NIGHT..CLEAR. LOW 8.
TUESDAY..SUNNY. HIGH 25.
TUESDAY NIGHT..CLEAR. LOW 6.
WEDNESDAY..SUNNY. HIGH 26.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 19.
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
FRIDAY NIGHT..CLEAR. LOW 9.
SATURDAY..SUNNY. HIGH 30.
SATURDAY NIGHT..CLEAR. LOW 11.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 25.
SUNDAY NIGHT..CLEAR. LOW 8.
MONDAY..SUNNY. HIGH 22.
MONDAY NIGHT..CLEAR. LOW 7.
TUESDAY..SUNNY. HIGH 24.
TUESDAY NIGHT..CLEAR. LOW 7.
WEDNESDAY..SUNNY. HIGH 25.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 19.
LETHBRIDGE - TABER - MILK RIVER.
FRIDAY NIGHT..CLEAR. LOW 9.
SATURDAY..SUNNY. HIGH 30.
SATURDAY NIGHT..CLEAR. LOW 10.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 25.
SUNDAY NIGHT..CLEAR. LOW 6.
MONDAY..SUNNY. HIGH 24.
MONDAY NIGHT..CLEAR. LOW 8.
TUESDAY..SUNNY. HIGH 25.
TUESDAY NIGHT..CLEAR. LOW 6.
WEDNESDAY..SUNNY. HIGH 26.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 19.
CARDSTON - FORT MACLEOD - MAGRATH.
FRIDAY NIGHT..CLEAR. LOW 10.
SATURDAY..SUNNY. HIGH 29.
SATURDAY NIGHT..CLEAR. LOW 14.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 23.
SUNDAY NIGHT..CLEAR. LOW 6.
MONDAY..SUNNY. HIGH 22.
MONDAY NIGHT..CLEAR. LOW 8.
TUESDAY..SUNNY. HIGH 24.
TUESDAY NIGHT..CLEAR. LOW 6.
WEDNESDAY..SUNNY. HIGH 25.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 18.
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
FRIDAY NIGHT..CLEAR. LOW 7.
SATURDAY..SUNNY. HIGH 28.
SATURDAY NIGHT..CLEAR. LOW 14.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 20.
SUNDAY NIGHT..CLEAR. LOW 6.
MONDAY..SUNNY. HIGH 20.
MONDAY NIGHT..CLEAR. LOW 8.
TUESDAY..SUNNY. HIGH 23.
TUESDAY NIGHT..CLEAR. LOW 6.
WEDNESDAY..SUNNY. HIGH 25.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 16.
END
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