FPCN53 CWWG 151025
EXTENDED FORECASTS FROM SATURDAY NIGHT 16 MAY TO THURSDAY 21 MAY FOR
SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY ENVIRONMENT CANADA
AT 4:30 A.M. MDT FRIDAY 15 MAY 2026.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 10:30 A.M. MDT.

CITY OF CALGARY.
SATURDAY NIGHT..CLOUDY. LOW ZERO.
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES OR RAIN SHOWERS.
 HIGH 8.
SUNDAY NIGHT..CLEAR. LOW MINUS 1.
MONDAY..SUNNY. HIGH 12.
MONDAY NIGHT..CLEAR. LOW PLUS 1.
TUESDAY..SUNNY. HIGH 16.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 14.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
THURSDAY..CLOUDY. HIGH 14.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.

AIRDRIE - COCHRANE - OLDS - SUNDRE.
SATURDAY NIGHT..CLEARING. LOW MINUS 4.
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF FLURRIES OR
 RAIN SHOWERS. HIGH 8.
SUNDAY NIGHT..CLEAR. LOW MINUS 5.
MONDAY..SUNNY. HIGH 13.
MONDAY NIGHT..CLEAR. LOW MINUS 3.
TUESDAY..SUNNY. HIGH 15.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 14.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
THURSDAY..CLOUDY. HIGH 13.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 16.

OKOTOKS - HIGH RIVER - CLARESHOLM.
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 2.
SUNDAY..PERIODS OF RAIN. HIGH 9.
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 4.
MONDAY..SUNNY. HIGH 12.
MONDAY NIGHT..CLEAR. LOW MINUS 2.
TUESDAY..SUNNY. HIGH 17.
TUESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 5.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 16.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
THURSDAY..CLOUDY. HIGH 15.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 15.

DRUMHELLER - THREE HILLS.
SATURDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW PLUS 2.
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 10.
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 2.
MONDAY..SUNNY. HIGH 14.
MONDAY NIGHT..CLEAR. LOW PLUS 1.
TUESDAY..SUNNY. HIGH 17.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 16.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 17.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 18.

BROOKS - STRATHMORE - VULCAN.
SATURDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW PLUS 2.
SUNDAY..PERIODS OF RAIN. HIGH 7.
SUNDAY NIGHT..CLOUDY. LOW ZERO.
MONDAY..SUNNY. HIGH 13.
MONDAY NIGHT..CLEAR. LOW MINUS 1.
TUESDAY..SUNNY. HIGH 17.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 16.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 18.

KANANASKIS - CANMORE.
SATURDAY NIGHT..SHOWERS. LOW MINUS 1.
SUNDAY..CLOUDY. HIGH 7.
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 1.
MONDAY..SUNNY. HIGH 11.
MONDAY NIGHT..CLEAR. LOW ZERO.
TUESDAY..SUNNY. HIGH 16.
TUESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 3.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 14.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
THURSDAY..CLOUDY. HIGH 13.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 14.

BANFF NATIONAL PARK.
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW
 MINUS 1.
SUNDAY..CLOUDY. HIGH 7.
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 4.
MONDAY..SUNNY. HIGH 11.
MONDAY NIGHT..CLEAR. LOW MINUS 3.
TUESDAY..SUNNY. HIGH 13.
TUESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 1.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 12.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
THURSDAY..CLOUDY. HIGH 13.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 15.

HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW
 MINUS 1.
SUNDAY..CLOUDY. HIGH 7.
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 4.
MONDAY..SUNNY. HIGH 11.
MONDAY NIGHT..CLEAR. LOW MINUS 3.
TUESDAY..SUNNY. HIGH 13.
TUESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 1.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 12.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
THURSDAY..CLOUDY. HIGH 13.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 15.

HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING.
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 3.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 12.
SUNDAY NIGHT..CLEAR. LOW MINUS 3.
MONDAY..SUNNY. HIGH 15.
MONDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 1.
TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 13.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 14.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 15.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 16.

JASPER NATIONAL PARK.
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 3.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 12.
SUNDAY NIGHT..CLEAR. LOW MINUS 3.
MONDAY..SUNNY. HIGH 15.
MONDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 1.
TUESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 13.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 14.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 15.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 16.

NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
SATURDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF RAIN SHOWERS OR
 FLURRIES. LOW MINUS 2.
SUNDAY..CLOUDY. HIGH 9.
SUNDAY NIGHT..CLEAR. LOW MINUS 5.
MONDAY..SUNNY. HIGH 12.
MONDAY NIGHT..CLEAR. LOW MINUS 1.
TUESDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.
 HIGH 12.
TUESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 3.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 15.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
THURSDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
 HIGH 15.
NORMALS FOR THE PERIOD..LOW MINUS 1. HIGH 14.

ROCKY MOUNTAIN HOUSE - CAROLINE.
SATURDAY NIGHT..CLEARING. LOW MINUS 3.
SUNDAY..INCREASING CLOUDINESS. HIGH 9.
SUNDAY NIGHT..CLEAR. LOW MINUS 3.
MONDAY..SUNNY. HIGH 13.
MONDAY NIGHT..CLEAR. LOW MINUS 1.
TUESDAY..INCREASING CLOUDINESS. HIGH 16.
TUESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 15.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
THURSDAY..CLOUDY. HIGH 14.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 16.

RED DEER - PONOKA - INNISFAIL - STETTLER.
SATURDAY NIGHT..CLEARING. LOW MINUS 1.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 9.
SUNDAY NIGHT..CLEAR. LOW MINUS 2.
MONDAY..SUNNY. HIGH 13.
MONDAY NIGHT..CLEAR. LOW ZERO.
TUESDAY..SUNNY. HIGH 16.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 16.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 16.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.

HANNA - CORONATION - OYEN.
SATURDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF RAIN SHOWERS OR
 FLURRIES. LOW ZERO.
SUNDAY..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES OR RAIN SHOWERS.
 HIGH 7.
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 2.
MONDAY..SUNNY. HIGH 11.
MONDAY NIGHT..CLEAR. LOW ZERO.
TUESDAY..SUNNY. HIGH 15.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 18.

MEDICINE HAT - BOW ISLAND - SUFFIELD.
SATURDAY NIGHT..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS. LOW PLUS 2.
SUNDAY..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS. HIGH 6.
SUNDAY NIGHT..RAIN OR PERIODS OF SNOW. LOW MINUS 1.
MONDAY..CLOUDY. HIGH 11.
MONDAY NIGHT..CLEAR. LOW MINUS 1.
TUESDAY..SUNNY. HIGH 16.
TUESDAY NIGHT..CLEAR. LOW PLUS 5.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 19.

CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
SATURDAY NIGHT..CLOUDY. LOW PLUS 2.
SUNDAY..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS. HIGH PLUS 4.
SUNDAY NIGHT..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS. LOW MINUS 1.
MONDAY..CLOUDY. HIGH 8.
MONDAY NIGHT..CLEAR. LOW MINUS 3.
TUESDAY..SUNNY. HIGH 14.
TUESDAY NIGHT..CLEAR. LOW PLUS 3.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 16.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 19.

LETHBRIDGE - TABER - MILK RIVER.
SATURDAY NIGHT..SHOWERS. LOW PLUS 1.
SUNDAY..PERIODS OF RAIN OR SNOW. HIGH 6.
SUNDAY NIGHT..CLOUDY PERIODS. LOW ZERO.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 11.
MONDAY NIGHT..CLEAR. LOW MINUS 1.
TUESDAY..SUNNY. HIGH 15.
TUESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 17.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 19.

CARDSTON - FORT MACLEOD - MAGRATH.
SATURDAY NIGHT..PERIODS OF RAIN. LOW PLUS 1.
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES OR RAIN SHOWERS.
 HIGH PLUS 5.
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 2.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 10.
MONDAY NIGHT..CLOUDY PERIODS. LOW ZERO.
TUESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
 HIGH 14.
TUESDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 4.
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
 HIGH 17.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
THURSDAY..CLOUDY. HIGH 17.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.

CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
SATURDAY NIGHT..PERIODS OF RAIN. LOW PLUS 1.
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH PLUS 5.
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 3.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 9.
MONDAY NIGHT..CLOUDY PERIODS. LOW ZERO.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 15.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
WEDNESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 17.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
THURSDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 16.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 15.

END