966
FPCN15 CWWG 202134
FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY
ENVIRONMENT CANADA AT 4:00 P.M. MDT MONDAY 20 APRIL 2026 FOR TONIGHT
TUESDAY AND TUESDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT TUESDAY.
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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..PARTLY CLOUDY. WIND SOUTH 20 KM/H GUSTING TO 40 BECOMING
WEST 20 GUSTING TO 40 EARLY THIS EVENING THEN LIGHT NEAR MIDNIGHT.
LOW 6.
TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGH 22. UV INDEX 5 OR MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. BECOMING CLOUDY NEAR MIDNIGHT. WIND
BECOMING NORTH 20 KM/H GUSTING TO 40 OVERNIGHT. LOW 7.
OKOTOKS - HIGH RIVER - CLARESHOLM.
TONIGHT..PARTLY CLOUDY. WIND WEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT NEAR MIDNIGHT. LOW 6.
TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGH 23. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..PARTLY CLOUDY. BECOMING CLOUDY IN THE EVENING. WIND
BECOMING NORTH 20 KM/H GUSTING TO 40 OVERNIGHT. LOW 9.
AIRDRIE - COCHRANE - OLDS - SUNDRE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS
EVENING. LOW PLUS 3.
TUESDAY..A MIX OF SUN AND CLOUD. A FEW SHOWERS BEGINNING IN THE
AFTERNOON. HIGH 20. UV INDEX 5 OR MODERATE.
TUESDAY NIGHT..A FEW SHOWERS ENDING IN THE EVENING THEN CLOUDY. RAIN
BEGINNING OVERNIGHT. WIND BECOMING NORTH 20 KM/H GUSTING TO 40
OVERNIGHT. LOW 6.
DRUMHELLER - THREE HILLS.
TONIGHT..CLEAR EARLY THIS EVENING THEN PARTLY CLOUDY WITH 30 PERCENT
CHANCE OF SHOWERS THIS EVENING. WIND SOUTH 20 KM/H GUSTING TO 40
BECOMING LIGHT NEAR MIDNIGHT. LOW PLUS 2.
TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE IN
THE AFTERNOON. HIGH 22. UV INDEX 5 OR MODERATE.
TUESDAY NIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND
BECOMING NORTHWEST 20 KM/H GUSTING TO 40 OVERNIGHT. LOW 7.
BROOKS - STRATHMORE - VULCAN.
TONIGHT..PARTLY CLOUDY. WIND SOUTH 20 KM/H GUSTING TO 40 BECOMING
WEST 20 GUSTING TO 40 EARLY THIS EVENING THEN LIGHT NEAR MIDNIGHT.
LOW PLUS 3.
TUESDAY..MAINLY SUNNY. HIGH 24. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..INCREASING CLOUDINESS IN THE EVENING. WIND BECOMING
NORTH 20 KM/H GUSTING TO 40 OVERNIGHT. LOW 9.
KANANASKIS - CANMORE.
TONIGHT..PARTLY CLOUDY. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 7.
TUESDAY..A MIX OF SUN AND CLOUD. A FEW SHOWERS BEGINNING IN THE
AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 19. UV INDEX 5 OR MODERATE.
TUESDAY NIGHT..A FEW SHOWERS ENDING IN THE EVENING THEN CLOUDY. RAIN
BEGINNING OVERNIGHT. WIND SOUTHWEST 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..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. SNOW
LEVEL LOWERING TO 1800 METRES OVERNIGHT. WIND SOUTHWEST 20 KM/H
GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW PLUS 3.
TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE MORNING. SNOW LEVEL 1800 METRES RISING TO 2600 METRES IN THE
MORNING. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 19. UV INDEX 5 OR MODERATE.
TUESDAY NIGHT..INCREASING CLOUDINESS. RAIN BEGINNING NEAR MIDNIGHT.
SNOW LEVEL LOWERING TO 1800 METRES OVERNIGHT. WIND SOUTHWEST 20 KM/H
GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW PLUS 3.
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING
JASPER NATIONAL PARK.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY THIS EVENING. SHOWERS
BEGINNING AFTER MIDNIGHT. SNOW LEVEL LOWERING TO 1900 METRES
OVERNIGHT. LOW PLUS 3.
TUESDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE
MORNING. CLEARING LATE IN THE AFTERNOON. SNOW LEVEL 1900 METRES
RISING TO 2500 METRES IN THE MORNING. HIGH 17. UV INDEX 4 OR
MODERATE.
TUESDAY NIGHT..INCREASING CLOUDINESS IN THE EVENING. LOW ZERO.
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. PERIODS OF RAIN BEGINNING OVERNIGHT. LOW PLUS 4.
TUESDAY..PERIODS OF RAIN ENDING IN THE MORNING THEN MAINLY CLOUDY
WITH 30 PERCENT CHANCE OF SHOWERS. WIND BECOMING SOUTHWEST 20 KM/H
GUSTING TO 40 IN THE AFTERNOON. HIGH 19. UV INDEX 4 OR MODERATE.
TUESDAY NIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE EVENING. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN
THE EVENING. LOW PLUS 2.
ROCKY MOUNTAIN HOUSE - CAROLINE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. 60 PERCENT CHANCE OF SHOWERS BEFORE MORNING. LOW PLUS 2.
TUESDAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY IN THE
MORNING. A FEW SHOWERS BEGINNING IN THE AFTERNOON. HIGH 19. UV
INDEX 5 OR MODERATE.
TUESDAY NIGHT..A FEW SHOWERS ENDING IN THE EVENING THEN MAINLY
CLOUDY. LOW PLUS 3.
RED DEER - PONOKA - INNISFAIL - STETTLER.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND SOUTH
20 KM/H GUSTING TO 40 BECOMING WEST 20 GUSTING TO 40 EARLY THIS
EVENING THEN LIGHT NEAR MIDNIGHT. LOW PLUS 3.
TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
MORNING. HIGH 19. UV INDEX 5 OR MODERATE.
TUESDAY NIGHT..BECOMING CLOUDY IN THE EVENING WITH A FEW SHOWERS. LOW
PLUS 5.
HANNA - CORONATION - OYEN.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS
EVENING. BECOMING CLEAR OVERNIGHT. WIND SOUTH 20 KM/H GUSTING TO 40
BECOMING LIGHT NEAR MIDNIGHT. LOW PLUS 2.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING.
HIGH 22. UV INDEX 5 OR MODERATE.
TUESDAY NIGHT..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS
OVERNIGHT. WIND BECOMING NORTHEAST 30 KM/H GUSTING TO 50 OVERNIGHT.
LOW PLUS 5.
MEDICINE HAT - BOW ISLAND - SUFFIELD.
TONIGHT..A FEW CLOUDS. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT NEAR MIDNIGHT. LOW PLUS 5.
TUESDAY..SUNNY. HIGH 25. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..INCREASING CLOUDINESS LATE IN THE EVENING. WIND
BECOMING NORTHEAST 30 KM/H GUSTING TO 50 OVERNIGHT. LOW 10.
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
TONIGHT..A FEW CLOUDS. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 6.
TUESDAY..SUNNY. HIGH 26. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..A FEW CLOUDS. WIND BECOMING EAST 20 KM/H IN THE
EVENING. LOW 9.
LETHBRIDGE - TABER - MILK RIVER.
TONIGHT..A FEW CLOUDS. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT
NEAR MIDNIGHT. LOW 6.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.
HIGH 24. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..PARTLY CLOUDY. WIND BECOMING NORTHWEST 20 KM/H GUSTING
TO 40 OVERNIGHT. LOW 9.
CARDSTON - FORT MACLEOD - MAGRATH.
TONIGHT..PARTLY CLOUDY. CLEARING BEFORE MORNING. WIND WEST 20 KM/H
GUSTING TO 40 BECOMING LIGHT NEAR MIDNIGHT. LOW 7.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.
HIGH 25. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..PARTLY CLOUDY. WIND BECOMING NORTHWEST 20 KM/H GUSTING
TO 40 OVERNIGHT. LOW 9.
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
TONIGHT..PARTLY CLOUDY. CLEARING BEFORE MORNING. WIND WEST 40 KM/H
GUSTING TO 60 DIMINISHING TO 20 GUSTING TO 40 THIS EVENING THEN
BECOMING LIGHT NEAR MIDNIGHT. LOW PLUS 4.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.
HIGH 25. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..PARTLY CLOUDY. BECOMING CLOUDY OVERNIGHT. LOW 7.
END
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