633
FPCN15 CWWG 182130
FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY
ENVIRONMENT CANADA AT 4:00 P.M. MDT SATURDAY 18 APRIL 2026 FOR
TONIGHT SUNDAY AND SUNDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT SUNDAY.
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MAJOR REFERENCE ELEVATIONS:
BANFF: 1384 METRES.
LAKE LOUISE: 1750 METRES.
HIGHWAY 93 - BOW SUMMIT: 2068 METRES.
HIGHWAY 93 - SUNWAPTA PASS: 2034 METRES.
COLUMBIA ICEFIELDS VISITORS CENTRE: 2006 METRES.
JASPER: 1061 METRES.
CANMORE: 1350 METRES.
HWY 40 - HIGHWOOD PASS: 2206 METRES.
PINCHER CREEK: 1030 METRES.
WATERTON: 1280 METRES.
CROWSNEST PASS: 1300 METRES.
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CITY OF CALGARY.
TONIGHT..CLEAR. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT
THIS EVENING. LOW MINUS 3. WIND CHILL MINUS 7 OVERNIGHT.
SUNDAY..SUNNY. WIND BECOMING WEST 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 16. WIND CHILL MINUS 7 IN THE MORNING. UV INDEX 5 OR
MODERATE.
SUNDAY NIGHT..CLEAR. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT
IN THE EVENING. LOW PLUS 4.
OKOTOKS - HIGH RIVER - CLARESHOLM.
TONIGHT..CLEAR. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT
THIS EVENING. LOW MINUS 6. WIND CHILL MINUS 8 OVERNIGHT.
SUNDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR
NOON. HIGH 18 EXCEPT 10 OVER SNOW COVERED AREAS. WIND CHILL MINUS 8
IN THE MORNING. UV INDEX 6 OR HIGH.
SUNDAY NIGHT..A FEW CLOUDS. WIND SOUTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT IN THE EVENING. LOW ZERO.
AIRDRIE - COCHRANE - OLDS - SUNDRE.
TONIGHT..CLEAR. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT
THIS EVENING. LOW MINUS 6. WIND CHILL MINUS 8 OVERNIGHT.
SUNDAY..SUNNY. WIND BECOMING WEST 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 17. WIND CHILL MINUS 8 IN THE MORNING. UV INDEX 5 OR
MODERATE.
SUNDAY NIGHT..A FEW CLOUDS. WIND WEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT IN THE EVENING. LOW ZERO.
DRUMHELLER - THREE HILLS.
TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 6. WIND CHILL
MINUS 10 OVERNIGHT.
SUNDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 16. WIND CHILL MINUS 8 IN THE MORNING. UV INDEX 5 OR
MODERATE.
SUNDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY OVERNIGHT. WIND SOUTHWEST
20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW PLUS 1.
BROOKS - STRATHMORE - VULCAN.
TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 6. WIND CHILL
MINUS 10 OVERNIGHT.
SUNDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 18 EXCEPT 10 OVER SNOW COVERED AREAS. WIND CHILL
MINUS 10 IN THE MORNING. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLEAR. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT IN THE EVENING. LOW PLUS 2.
KANANASKIS - CANMORE.
TONIGHT..CLEAR. LOW MINUS 1.
SUNDAY..SUNNY. WIND BECOMING WEST 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 13. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY IN THE EVENING. WIND WEST
20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW PLUS 4.
BANFF NATIONAL PARK
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 4. WIND CHILL MINUS 8
OVERNIGHT.
SUNDAY..SUNNY. WIND UP TO 15 KM/H. HIGH 15. WIND CHILL MINUS 8 IN THE
MORNING. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..PARTLY CLOUDY. LOW PLUS 1.
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING
JASPER NATIONAL PARK.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 3. WIND CHILL MINUS 5
OVERNIGHT.
SUNDAY..INCREASING CLOUDINESS NEAR NOON. WIND UP TO 15 KM/H. HIGH 15.
WIND CHILL MINUS 5 IN THE MORNING. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..MAINLY CLOUDY. LOW PLUS 2.
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 3. WIND CHILL MINUS 5
OVERNIGHT.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. WIND
BECOMING WEST 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 16. WIND
CHILL MINUS 5 IN THE MORNING. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..PARTLY CLOUDY. WIND WEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT IN THE EVENING. LOW PLUS 2.
ROCKY MOUNTAIN HOUSE - CAROLINE.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 5. WIND CHILL MINUS 7
OVERNIGHT.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD LATE IN THE MORNING.
WIND BECOMING WEST 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 18.
WIND CHILL MINUS 7 IN THE MORNING. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..PARTLY CLOUDY. WIND WEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT IN THE EVENING. LOW PLUS 1.
RED DEER - PONOKA - INNISFAIL - STETTLER.
TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. WIND UP TO 15 KM/H.
LOW MINUS 5. WIND CHILL MINUS 9 OVERNIGHT.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND
BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 18.
WIND CHILL MINUS 9 IN THE MORNING. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..PARTLY CLOUDY. BECOMING CLEAR IN THE EVENING. WIND
SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW
PLUS 1.
HANNA - CORONATION - OYEN.
TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. WIND SOUTHWEST 20 KM/H
BECOMING LIGHT THIS EVENING. LOW MINUS 6. WIND CHILL MINUS 12
OVERNIGHT.
SUNDAY..MAINLY SUNNY. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40
IN THE AFTERNOON. HIGH 16 EXCEPT 7 OVER SNOW COVERED AREAS. WIND
CHILL MINUS 12 IN THE MORNING. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLEAR. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT IN THE EVENING. LOW PLUS 1.
MEDICINE HAT - BOW ISLAND - SUFFIELD.
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW MINUS 2. WIND CHILL MINUS 6 OVERNIGHT.
SUNDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 19. WIND CHILL MINUS 6 IN THE MORNING. UV INDEX 6 OR
HIGH.
SUNDAY NIGHT..CLEAR. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT IN THE EVENING. LOW PLUS 4.
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 30 KM/H GUSTING TO 50 BECOMING
LIGHT THIS EVENING. LOW MINUS 3. WIND CHILL MINUS 8 OVERNIGHT.
SUNDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 19. WIND CHILL MINUS 8 IN THE MORNING. UV INDEX 6 OR
HIGH.
SUNDAY NIGHT..CLEAR. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT NEAR MIDNIGHT. LOW PLUS 4.
LETHBRIDGE - TABER - MILK RIVER.
TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 3. WIND CHILL MINUS 8
OVERNIGHT.
SUNDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR
NOON. HIGH 19. WIND CHILL MINUS 8 IN THE MORNING. UV INDEX 6 OR
HIGH.
SUNDAY NIGHT..CLEAR. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT NEAR MIDNIGHT. LOW PLUS 3.
CARDSTON - FORT MACLEOD - MAGRATH.
TONIGHT..CLEAR. WIND SOUTHWEST 30 KM/H GUSTING TO 50 BECOMING LIGHT
THIS EVENING. LOW ZERO.
SUNDAY..SUNNY. WIND BECOMING WEST 30 KM/H GUSTING TO 50 NEAR NOON.
HIGH 19. UV INDEX 6 OR HIGH.
SUNDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY OVERNIGHT. WIND WEST
30 KM/H GUSTING TO 50 BECOMING LIGHT NEAR MIDNIGHT. LOW PLUS 5.
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
TONIGHT..CLEAR. WIND SOUTHWEST 30 KM/H GUSTING TO 50. LOW MINUS 1.
SUNDAY..SUNNY. WIND WEST 30 KM/H GUSTING TO 50. HIGH 19. UV INDEX 6
OR HIGH.
SUNDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. WIND WEST
30 KM/H GUSTING TO 50 BECOMING LIGHT NEAR MIDNIGHT. LOW PLUS 4.
END
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