430
FPCN15 CWWG 240135 AAA
UPDATED FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED
BY ENVIRONMENT CANADA AT 6:33 P.M. MST TUESDAY 23 DECEMBER 2025 FOR
TONIGHT WEDNESDAY AND WEDNESDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MST
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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CITY OF CALGARY.
TONIGHT..BECOMING CLOUDY THIS EVENING. 60 PERCENT CHANCE OF FLURRIES
BEFORE MORNING. WIND UP TO 15 KM/H. LOW MINUS 18. WIND CHILL
MINUS 13 THIS EVENING AND MINUS 25 OVERNIGHT.
WEDNESDAY..SNOW ENDING NEAR NOON THEN CLOUDY WITH 30 PERCENT CHANCE
OF FLURRIES. AMOUNT 2 CM. WIND UP TO 15 KM/H. TEMPERATURE FALLING TO
MINUS 20 IN THE AFTERNOON. WIND CHILL NEAR MINUS 29. RISK OF
FROSTBITE.
WEDNESDAY NIGHT..CLOUDY. CLEARING OVERNIGHT. WIND UP TO 15 KM/H.
TEMPERATURE RISING TO MINUS 15 BY MORNING. WIND CHILL MINUS 29 IN
THE EVENING AND MINUS 21 OVERNIGHT. RISK OF FROSTBITE.
OKOTOKS - HIGH RIVER - CLARESHOLM.
TONIGHT..BECOMING CLOUDY THIS EVENING. 60 PERCENT CHANCE OF FLURRIES
OVERNIGHT. WIND UP TO 15 KM/H. LOW MINUS 12 EXCEPT MINUS 18 IN A FEW
LOCALITIES. WIND CHILL MINUS 14 THIS EVENING.
WEDNESDAY..CLOUDY. 60 PERCENT CHANCE OF FLURRIES EARLY IN THE
MORNING. SNOW BEGINNING IN THE MORNING THEN CHANGING TO 30 PERCENT
CHANCE OF FLURRIES NEAR NOON. WIND UP TO 15 KM/H. TEMPERATURE
FALLING TO MINUS 18 IN THE AFTERNOON. WIND CHILL NEAR MINUS 24.
WEDNESDAY NIGHT..CLOUDY. BECOMING PARTLY CLOUDY AFTER MIDNIGHT. WIND
UP TO 15 KM/H. TEMPERATURE RISING TO MINUS 15 BY MORNING. WIND CHILL
MINUS 25 IN THE EVENING AND MINUS 19 OVERNIGHT.
AIRDRIE - COCHRANE - OLDS - SUNDRE.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND
UP TO 15 KM/H. LOW MINUS 21. WIND CHILL MINUS 20 THIS EVENING AND
MINUS 25 OVERNIGHT.
WEDNESDAY..SNOW ENDING IN THE AFTERNOON THEN CLOUDY WITH 30 PERCENT
CHANCE OF FLURRIES. AMOUNT 2 TO 4 CM. WIND UP TO 15 KM/H.
TEMPERATURE STEADY NEAR MINUS 19. WIND CHILL NEAR MINUS 27.
WEDNESDAY NIGHT..MAINLY CLOUDY. CLEARING AFTER MIDNIGHT. WIND UP TO
15 KM/H. TEMPERATURE RISING TO MINUS 16 BY MORNING. WIND CHILL
MINUS 26 IN THE EVENING AND MINUS 20 OVERNIGHT.
DRUMHELLER - THREE HILLS.
TONIGHT..BECOMING CLOUDY THIS EVENING. 30 PERCENT CHANCE OF FLURRIES
OVERNIGHT. WIND UP TO 15 KM/H. LOW MINUS 19. WIND CHILL NEAR
MINUS 26.
WEDNESDAY..SNOW ENDING IN THE AFTERNOON THEN CLOUDY WITH 30 PERCENT
CHANCE OF FLURRIES. AMOUNT 5 TO 10 CM. WIND UP TO 15 KM/H. HIGH
MINUS 15. WIND CHILL MINUS 26 IN THE MORNING AND MINUS 21 IN THE
AFTERNOON.
WEDNESDAY NIGHT..CLOUDY. 30 PERCENT CHANCE OF FLURRIES IN THE
EVENING. BECOMING PARTLY CLOUDY AFTER MIDNIGHT. WIND UP TO 15 KM/H.
LOW MINUS 18. WIND CHILL NEAR MINUS 23.
BROOKS - STRATHMORE - VULCAN.
TONIGHT..CLOUDY. SNOW BEGINNING AFTER MIDNIGHT. WIND NORTHEAST
20 KM/H. LOW MINUS 17. WIND CHILL NEAR MINUS 27.
WEDNESDAY..SNOW ENDING EARLY IN THE AFTERNOON THEN CLOUDY WITH
30 PERCENT CHANCE OF FLURRIES. AMOUNT 5 CM. WIND NORTH 20 KM/H
BECOMING LIGHT IN THE AFTERNOON. HIGH MINUS 14. WIND CHILL MINUS 26
IN THE MORNING AND MINUS 20 IN THE AFTERNOON.
WEDNESDAY NIGHT..CLOUDY. 30 PERCENT CHANCE OF FLURRIES IN THE
EVENING. WIND UP TO 15 KM/H. LOW MINUS 16. WIND CHILL NEAR MINUS 22.
KANANASKIS - CANMORE.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND
WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT EARLY THIS EVENING. LOW
MINUS 16. WIND CHILL MINUS 8 THIS EVENING AND MINUS 20 OVERNIGHT.
WEDNESDAY..SNOW ENDING IN THE AFTERNOON THEN MAINLY CLOUDY WITH
30 PERCENT CHANCE OF FLURRIES. AMOUNT 5 CM. WIND UP TO 15 KM/H.
TEMPERATURE FALLING TO MINUS 18 IN THE AFTERNOON. WIND CHILL NEAR
MINUS 23.
WEDNESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES EARLY
IN THE EVENING. WIND UP TO 15 KM/H. TEMPERATURE RISING TO MINUS 3 BY
MORNING. WIND CHILL MINUS 24 IN THE EVENING AND MINUS 12 OVERNIGHT.
BANFF NATIONAL PARK
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND
UP TO 15 KM/H. LOW MINUS 14. WIND CHILL MINUS 8 THIS EVENING AND
MINUS 18 OVERNIGHT.
WEDNESDAY..SNOW EXCEPT SNOW AT TIMES HEAVY OVER HIGHER TERRAIN.
AMOUNT 5 TO 10 CM EXCEPT 15 CM OVER SECTIONS OF THE ICEFIELDS
PARKWAY. WIND UP TO 15 KM/H. HIGH MINUS 13. WIND CHILL NEAR
MINUS 21.
WEDNESDAY NIGHT..SNOW ENDING NEAR MIDNIGHT THEN MAINLY CLOUDY WITH
30 PERCENT CHANCE OF FLURRIES. AMOUNT 2 TO 4 CM EXCEPT 10 CM OVER
SECTIONS OF THE ICEFIELDS PARKWAY. WIND UP TO 15 KM/H. TEMPERATURE
RISING TO MINUS 4 BY MORNING. WIND CHILL MINUS 19 IN THE EVENING AND
MINUS 8 OVERNIGHT.
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING
JASPER NATIONAL PARK.
TONIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 23. WIND CHILL
MINUS 19 THIS EVENING AND MINUS 28 OVERNIGHT. RISK OF FROSTBITE.
WEDNESDAY..MAINLY CLOUDY. SNOW BEGINNING IN THE MORNING EXCEPT SNOW
AT TIMES HEAVY OVER HIGHER TERRAIN. AMOUNT 2 TO 4 CM EXCEPT 15 CM
OVER SECTIONS OF THE ICEFIELDS PARKWAY. WIND BECOMING NORTH 20 KM/H
LATE IN THE MORNING. HIGH MINUS 18. WIND CHILL MINUS 34 IN THE
MORNING AND MINUS 28 IN THE AFTERNOON. RISK OF FROSTBITE.
WEDNESDAY NIGHT..PERIODS OF LIGHT SNOW ENDING NEAR MIDNIGHT THEN
PARTLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. SNOW AT TIMES
HEAVY OVER HIGHER TERRAIN IN THE EVENING. AMOUNT 10 CM OVER SECTIONS
OF THE ICEFIELDS PARKWAY. WIND NORTH 20 KM/H BECOMING LIGHT IN THE
EVENING. TEMPERATURE RISING TO MINUS 13 BY MORNING. WIND CHILL
MINUS 28 IN THE EVENING AND MINUS 17 OVERNIGHT. RISK OF FROSTBITE.
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
TONIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 18. WIND CHILL
MINUS 10 THIS EVENING AND MINUS 23 OVERNIGHT.
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF FLURRIES.
WIND UP TO 15 KM/H. TEMPERATURE FALLING TO MINUS 20 IN THE
AFTERNOON. WIND CHILL MINUS 23 IN THE MORNING AND MINUS 28 IN THE
AFTERNOON. RISK OF FROSTBITE.
WEDNESDAY NIGHT..PARTLY CLOUDY. BECOMING CLEAR IN THE EVENING. WIND
UP TO 15 KM/H. TEMPERATURE RISING TO MINUS 10 BY MORNING. WIND CHILL
MINUS 29 IN THE EVENING AND MINUS 17 OVERNIGHT. RISK OF FROSTBITE.
ROCKY MOUNTAIN HOUSE - CAROLINE.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY AFTER MIDNIGHT. WIND UP TO 15
KM/H. LOW MINUS 23. WIND CHILL NEAR MINUS 28. RISK OF FROSTBITE.
WEDNESDAY..CLOUDY. SNOW BEGINNING EARLY IN THE MORNING. LOCAL AMOUNT
2 TO 4 CM. WIND UP TO 15 KM/H. HIGH MINUS 21. WIND CHILL NEAR
MINUS 30. RISK OF FROSTBITE.
WEDNESDAY NIGHT..PARTLY CLOUDY. CLEARING AFTER MIDNIGHT. WIND UP TO
15 KM/H. TEMPERATURE RISING TO MINUS 18 BY MORNING. WIND CHILL NEAR
MINUS 28. RISK OF FROSTBITE.
RED DEER - PONOKA - INNISFAIL - STETTLER.
TONIGHT..BECOMING CLOUDY THIS EVENING. 30 PERCENT CHANCE OF FLURRIES
BEFORE MORNING. WIND UP TO 15 KM/H. LOW MINUS 22. WIND CHILL
MINUS 25 THIS EVENING AND MINUS 30 OVERNIGHT. RISK OF FROSTBITE.
WEDNESDAY..SNOW AT TIMES HEAVY. AMOUNT 10 TO 15 CM. WIND BECOMING
NORTHEAST 20 KM/H IN THE AFTERNOON. HIGH MINUS 20. WIND CHILL NEAR
MINUS 33. RISK OF FROSTBITE.
WEDNESDAY NIGHT..CLOUDY. 30 PERCENT CHANCE OF FLURRIES EARLY IN THE
EVENING. CLEARING BEFORE MORNING. WIND UP TO 15 KM/H. TEMPERATURE
RISING TO MINUS 17 BY MORNING. WIND CHILL MINUS 29 IN THE EVENING
AND MINUS 24 OVERNIGHT. RISK OF FROSTBITE.
HANNA - CORONATION - OYEN.
TONIGHT..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF FLURRIES BEFORE
MORNING. WIND NORTH 20 KM/H. LOW MINUS 24. WIND CHILL MINUS 31 THIS
EVENING AND MINUS 36 OVERNIGHT. RISK OF FROSTBITE.
WEDNESDAY..SNOW. AMOUNT 5 TO 10 CM. WIND NORTHEAST 20 KM/H. HIGH
MINUS 18. WIND CHILL MINUS 34 IN THE MORNING AND MINUS 28 IN THE
AFTERNOON. RISK OF FROSTBITE.
WEDNESDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF FLURRIES EARLY IN THE
EVENING. WIND EAST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. TEMPERATURE
RISING TO MINUS 16 BY MORNING. WIND CHILL NEAR MINUS 28. RISK OF
FROSTBITE.
MEDICINE HAT - BOW ISLAND - SUFFIELD.
TONIGHT..CLOUDY. PERIODS OF LIGHT SNOW BEGINNING NEAR MIDNIGHT. WIND
NORTHEAST 20 KM/H. LOW MINUS 14. WIND CHILL MINUS 15 THIS EVENING
AND MINUS 23 OVERNIGHT.
WEDNESDAY..SNOW ENDING NEAR NOON THEN CLOUDY WITH 30 PERCENT CHANCE
OF FLURRIES. LOCAL AMOUNT 2 CM. WIND NORTHEAST 20 KM/H. HIGH
MINUS 13. WIND CHILL NEAR MINUS 22.
WEDNESDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF FLURRIES OVERNIGHT.
WIND NORTH 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. TEMPERATURE RISING
TO MINUS 9 BY MORNING. WIND CHILL MINUS 22 IN THE EVENING AND
MINUS 15 OVERNIGHT.
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF FLURRIES THIS EVENING. BECOMING
PARTLY CLOUDY AFTER MIDNIGHT. RISK OF FREEZING RAIN THIS EVENING.
WIND NORTHEAST 20 KM/H. LOW MINUS 10. WIND CHILL MINUS 12 THIS
EVENING AND MINUS 18 OVERNIGHT.
WEDNESDAY..MAINLY CLOUDY. WIND NORTHEAST 20 KM/H BECOMING NORTHWEST
20 IN THE MORNING. HIGH MINUS 8. WIND CHILL NEAR MINUS 18. UV
INDEX 1 OR LOW.
WEDNESDAY NIGHT..CLOUDY. PERIODS OF FREEZING RAIN BEGINNING AFTER
MIDNIGHT. WIND NORTHWEST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW
MINUS 11. WIND CHILL MINUS 19 IN THE EVENING AND MINUS 14 OVERNIGHT.
LETHBRIDGE - TABER - MILK RIVER.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. RISK OF
FREEZING RAIN THIS EVENING. WIND NORTHEAST 20 KM/H. LOW MINUS 16
EXCEPT MINUS 12 IN A FEW LOCALITIES. WIND CHILL MINUS 25 OVERNIGHT.
WEDNESDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES IN THE
MORNING. WIND NORTH 20 KM/H. HIGH MINUS 15. WIND CHILL NEAR
MINUS 25.
WEDNESDAY NIGHT..MAINLY CLOUDY. RISK OF FREEZING RAIN OVERNIGHT. WIND
UP TO 15 KM/H. TEMPERATURE RISING TO MINUS 10 BY MORNING. WIND CHILL
MINUS 23 IN THE EVENING AND MINUS 17 OVERNIGHT.
CARDSTON - FORT MACLEOD - MAGRATH.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. RISK OF
FREEZING RAIN THIS EVENING. WIND SOUTHWEST 40 KM/H GUSTING TO 60
BECOMING LIGHT EARLY THIS EVENING. LOW MINUS 11. WIND CHILL MINUS 16
OVERNIGHT.
WEDNESDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES IN THE
MORNING. CLEARING LATE IN THE AFTERNOON. WIND BECOMING NORTH 20 KM/H
LATE IN THE MORNING. TEMPERATURE FALLING TO MINUS 13 IN THE
AFTERNOON. WIND CHILL MINUS 14 IN THE MORNING AND MINUS 21 IN THE
AFTERNOON.
WEDNESDAY NIGHT..INCREASING CLOUDINESS IN THE EVENING. WIND UP TO 15
KM/H. TEMPERATURE RISING TO MINUS 3 BY MORNING. WIND CHILL MINUS 19
IN THE EVENING AND MINUS 7 OVERNIGHT.
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
TONIGHT..INCREASING CLOUDINESS EARLY THIS EVENING. PERIODS OF SNOW
NEAR THE BRITISH COLUMBIA BORDER OVERNIGHT. AMOUNT 2 CM NEAR THE
BRITISH COLUMBIA BORDER. WIND WEST 40 KM/H GUSTING TO 60 BECOMING
LIGHT EARLY THIS EVENING. LOW MINUS 13. WIND CHILL MINUS 18
OVERNIGHT.
WEDNESDAY..MAINLY CLOUDY. PERIODS OF SNOW NEAR THE BRITISH COLUMBIA
BORDER. AMOUNT 4 CM NEAR THE BRITISH COLUMBIA BORDER. WIND UP TO 15
KM/H. TEMPERATURE FALLING TO MINUS 16 IN THE AFTERNOON. WIND CHILL
MINUS 18 IN THE MORNING AND MINUS 24 IN THE AFTERNOON.
WEDNESDAY NIGHT..PARTLY CLOUDY. PERIODS OF SNOW NEAR THE BRITISH
COLUMBIA BORDER. AMOUNT 2 CM NEAR THE BRITISH COLUMBIA BORDER. WIND
BECOMING WEST 20 KM/H BEFORE MORNING. TEMPERATURE RISING TO MINUS 5
BY MORNING. WIND CHILL MINUS 24 IN THE EVENING AND MINUS 11
OVERNIGHT.
END
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