186
FPCN15 CWWG 220421 AAA
UPDATED FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED
BY ENVIRONMENT CANADA AT 10:18 P.M. MDT TUESDAY 21 APRIL 2026 FOR
TONIGHT WEDNESDAY AND WEDNESDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT
WEDNESDAY.
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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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BANFF NATIONAL PARK
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
EVENING AND AFTER MIDNIGHT. PERIODS OF RAIN BEGINNING OVERNIGHT.
SNOW LEVEL LOWERING TO 1700 METRES BEFORE MORNING. LOW PLUS 2.
WEDNESDAY..PERIODS OF RAIN CHANGING TO PERIODS OF SNOW OR RAIN IN THE
AFTERNOON. LOCAL SNOWFALL AMOUNT 2 CM. SNOW LEVEL 1700 METRES
LOWERING TO VALLEY BOTTOM IN THE AFTERNOON. WIND BECOMING NORTHEAST
20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 8. UV INDEX 2 OR LOW.
WEDNESDAY NIGHT..PERIODS OF SNOW ENDING NEAR MIDNIGHT THEN CLEARING.
LOCAL AMOUNT 5 CM. WIND UP TO 15 KM/H. LOW MINUS 4. WIND CHILL
MINUS 7 OVERNIGHT.
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING
JASPER NATIONAL PARK.
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. SNOW LEVEL
LOWERING TO 1600 METRES BEFORE MORNING. LOW PLUS 2.
WEDNESDAY..CLOUDY. 30 PERCENT CHANCE OF RAIN SHOWERS IN THE MORNING.
PERIODS OF SNOW BEGINNING LATE IN THE MORNING. LOCAL SNOWFALL AMOUNT
5 CM. SNOW LEVEL 1600 METRES LOWERING TO VALLEY BOTTOM LATE IN THE
MORNING. WIND BECOMING NORTH 20 KM/H GUSTING TO 40 IN THE MORNING.
HIGH PLUS 4. UV INDEX 2 OR LOW.
WEDNESDAY NIGHT..PERIODS OF SNOW ENDING NEAR MIDNIGHT THEN CLEARING.
LOCAL AMOUNT 2 TO 4 CM. WIND UP TO 15 KM/H. LOW MINUS 3. WIND CHILL
NEAR MINUS 7.
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW PLUS 5.
WEDNESDAY..CLOUDY. 30 PERCENT CHANCE OF RAIN SHOWERS IN THE MORNING.
SNOW OR RAIN BEGINNING LATE IN THE MORNING. LOCAL SNOWFALL AMOUNT
2 CM. WIND BECOMING NORTH 20 KM/H GUSTING TO 40 IN THE MORNING.
TEMPERATURE FALLING TO PLUS 3 IN THE AFTERNOON. UV INDEX 2 OR LOW.
WEDNESDAY NIGHT..SNOW ENDING IN THE EVENING THEN MAINLY CLOUDY WITH
30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. LOW MINUS 5. WIND
CHILL MINUS 7 OVERNIGHT.
REMAINDER UNCHANGED.
END
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