861
FPCN15 CWWG 091034
FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY
ENVIRONMENT CANADA AT 5:00 A.M. MDT WEDNESDAY 9 SEPTEMBER 2026 FOR
TODAY AND THURSDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT.
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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.
TODAY..SUNNY. WIND WEST 20 KM/H GUSTING TO 40. HIGH 25. UV INDEX 5 OR
MODERATE.
TONIGHT..PARTLY CLOUDY. WIND WEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 10.
THURSDAY..A MIX OF SUN AND CLOUD. SHOWERS BEGINNING IN THE MORNING
AND ENDING NEAR NOON THEN 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. WIND NORTH
20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE MORNING. WIND BECOMING
WEST 20 GUSTING TO 40 IN THE AFTERNOON. HIGH 16. UV INDEX 4 OR
MODERATE.
OKOTOKS - HIGH RIVER - CLARESHOLM.
TODAY..SUNNY. WIND SOUTHWEST 30 KM/H GUSTING TO 50. HIGH 24. HUMIDEX
26. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. WIND SOUTHWEST 30 KM/H GUSTING TO 50 EXCEPT
GUSTING TO 80 IN WIND-PRONE AREAS LATE THIS EVENING AND OVERNIGHT.
LOW 13.
THURSDAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE IN THE
MORNING AND IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE
AFTERNOON. WIND SOUTHWEST 30 KM/H GUSTING TO 50 EXCEPT GUSTING TO 80
IN WIND-PRONE AREAS IN THE MORNING. WIND BECOMING LIGHT IN THE
MORNING. HIGH 18. UV INDEX 4 OR MODERATE.
AIRDRIE - COCHRANE - OLDS - SUNDRE.
TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON. WIND
BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 LATE THIS MORNING. HIGH 24.
UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY BEFORE MORNING WITH SHOWERS.
WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING.
WIND BECOMING NORTH 20 GUSTING TO 40 BEFORE MORNING. LOW 10.
THURSDAY..SHOWERS ENDING LATE IN THE MORNING THEN A MIX OF SUN AND
CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM IN
THE AFTERNOON. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING LIGHT IN
THE MORNING. WIND BECOMING WEST 20 GUSTING TO 40 IN THE AFTERNOON.
HIGH 15. UV INDEX 4 OR MODERATE.
DRUMHELLER - THREE HILLS.
TODAY..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
MORNING. OTHERWISE SUNNY. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO
40 LATE THIS MORNING. HIGH 27. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. WIND BECOMING NORTHWEST 30 GUSTING TO 50 BEFORE
MORNING. LOW 10.
THURSDAY..MAINLY CLOUDY. SHOWERS BEGINNING EARLY IN THE MORNING AND
ENDING IN THE AFTERNOON THEN 30 PERCENT CHANCE OF SHOWERS LATER IN
THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. WIND
NORTHWEST 30 KM/H GUSTING TO 50 BECOMING LIGHT IN THE MORNING.
HIGH 18. UV INDEX 4 OR MODERATE.
BROOKS - STRATHMORE - VULCAN.
TODAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 LATE THIS
MORNING. HIGH 26. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. WIND SOUTHWEST 20 KM/H GUSTING TO 40
INCREASING TO 40 GUSTING TO 60 NEAR MIDNIGHT. LOW 12.
THURSDAY..BECOMING CLOUDY IN THE MORNING WITH 60 PERCENT CHANCE OF
SHOWERS LATE IN THE MORNING AND IN THE AFTERNOON. RISK OF A
THUNDERSTORM IN THE AFTERNOON. WIND SOUTHWEST 40 KM/H GUSTING TO 60
BECOMING NORTH 20 GUSTING TO 40 IN THE MORNING THEN LIGHT IN THE
AFTERNOON. HIGH 17. UV INDEX 3 OR MODERATE.
KANANASKIS - CANMORE.
TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON. WIND
BECOMING WEST 40 KM/H GUSTING TO 70 THIS MORNING. HIGH 23. UV
INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY BEFORE MORNING WITH SHOWERS.
WIND WEST 40 KM/H GUSTING TO 70. LOW 9.
THURSDAY..SHOWERS ENDING NEAR NOON THEN CLEARING. WIND WEST 40 KM/H
GUSTING TO 70 DIMINISHING TO 20 GUSTING TO 40 IN THE MORNING.
HIGH 14. UV INDEX 3 OR MODERATE.
BANFF NATIONAL PARK
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.
TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY THIS AFTERNOON. WIND
BECOMING WEST 20 KM/H GUSTING TO 40 THIS MORNING. HIGH 21. UV
INDEX 5 OR MODERATE.
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS LATE THIS EVENING
AND AFTER MIDNIGHT. SHOWERS BEGINNING OVERNIGHT. RISK OF A
THUNDERSTORM OVERNIGHT. SNOW LEVEL LOWERING TO 2000 METRES
OVERNIGHT. WIND WEST 20 KM/H GUSTING TO 40. LOW 9.
THURSDAY..SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH 30 PERCENT
CHANCE OF SHOWERS. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. RISK
OF A THUNDERSTORM EARLY IN THE MORNING. SNOW LEVEL 2000 METRES. WIND
WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE MORNING. HIGH 13.
UV INDEX 4 OR MODERATE.
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING
JASPER NATIONAL PARK.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON. WIND BECOMING WEST 20 KM/H GUSTING TO 40 THIS MORNING.
HIGH 22. UV INDEX 3 OR MODERATE.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. SHOWERS BEGINNING THIS EVENING. RISK OF A THUNDERSTORM LATE
THIS EVENING AND OVERNIGHT. AMOUNT 5 TO 10 MM. SNOW LEVEL LOWERING
TO 2000 METRES BEFORE MORNING. WIND WEST 20 KM/H GUSTING TO 40.
LOW 10.
THURSDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING.
SNOW LEVEL 2000 METRES. WIND WEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT IN THE MORNING. HIGH 13. UV INDEX 4 OR MODERATE.
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
TODAY..SUNNY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT
CHANCE OF SHOWERS LATE THIS AFTERNOON. WIND BECOMING SOUTHWEST
20 KM/H GUSTING TO 40 THIS MORNING THEN WEST 40 GUSTING TO 60 THIS
AFTERNOON. HIGH 23. UV INDEX 5 OR MODERATE.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING.
SHOWERS BEGINNING THIS EVENING. RISK OF A THUNDERSTORM LATE THIS
EVENING AND OVERNIGHT. AMOUNT 5 TO 10 MM. WIND WEST 40 KM/H GUSTING
TO 60 BECOMING LIGHT OVERNIGHT. LOW 7.
THURSDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
MORNING. RISK OF A THUNDERSTORM EARLY IN THE MORNING. WIND BECOMING
WEST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 13. UV INDEX 4 OR
MODERATE.
ROCKY MOUNTAIN HOUSE - CAROLINE.
TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS MORNING. HIGH 23.
UV INDEX 5 OR MODERATE.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
SHOWERS BEGINNING LATE THIS EVENING. RISK OF A THUNDERSTORM LATE
THIS EVENING AND OVERNIGHT. AMOUNT 5 TO 10 MM. WIND BECOMING
NORTHWEST 20 KM/H GUSTING TO 40 OVERNIGHT. LOW 11.
THURSDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
RISK OF A THUNDERSTORM. WIND NORTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT IN THE MORNING. WIND BECOMING NORTHWEST 20 GUSTING TO
40 NEAR NOON. HIGH 15. UV INDEX 4 OR MODERATE.
RED DEER - PONOKA - INNISFAIL - STETTLER.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS EARLY
THIS MORNING. HIGH 24. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS OVERNIGHT.
LOW 10.
THURSDAY..A FEW SHOWERS ENDING NEAR NOON THEN A MIX OF SUN AND CLOUD
WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM LATE IN
THE MORNING AND IN THE AFTERNOON. WIND WEST 20 KM/H. HIGH 16. UV
INDEX 4 OR MODERATE.
HANNA - CORONATION - OYEN.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS EARLY
THIS MORNING. CLEARING THIS MORNING. WIND BECOMING SOUTHWEST 20 KM/H
GUSTING TO 40 LATE THIS MORNING. HIGH 24. HUMIDEX 25. UV INDEX 5 OR
MODERATE.
TONIGHT..PARTLY CLOUDY. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
NORTHWEST 30 GUSTING TO 50 OVERNIGHT. LOW 10.
THURSDAY..BECOMING CLOUDY IN THE MORNING WITH 60 PERCENT CHANCE OF
SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON.
WIND NORTHWEST 30 KM/H GUSTING TO 50. HIGH 16. UV INDEX 2 OR LOW.
MEDICINE HAT - BOW ISLAND - SUFFIELD.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS EARLY
THIS MORNING THEN SUNNY. WIND SOUTHWEST 20 KM/H. HIGH 24. HUMIDEX
26. UV INDEX 5 OR MODERATE.
TONIGHT..A FEW CLOUDS. WIND SOUTHWEST 20 KM/H. LOW 14.
THURSDAY..MAINLY SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON THEN
30 PERCENT CHANCE OF SHOWERS LATER IN THE AFTERNOON. WIND NORTHWEST
30 KM/H GUSTING TO 50. HIGH 18. UV INDEX 5 OR MODERATE.
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
TODAY..SUNNY. WIND WEST 20 KM/H GUSTING TO 40. HIGH 23. UV INDEX 5 OR
MODERATE.
TONIGHT..A FEW CLOUDS. WIND WEST 20 KM/H GUSTING TO 40. LOW 11.
THURSDAY..MAINLY SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON THEN
30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. RISK OF A
THUNDERSTORM LATE IN THE AFTERNOON. WIND WEST 30 KM/H GUSTING TO 50
BECOMING NORTH 30 GUSTING TO 50 IN THE AFTERNOON. HIGH 22. UV
INDEX 5 OR MODERATE.
LETHBRIDGE - TABER - MILK RIVER.
TODAY..SUNNY. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING WEST 40
GUSTING TO 60 NEAR NOON. HIGH 24. HUMIDEX 25. UV INDEX 5 OR
MODERATE.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY THIS EVENING. WIND WEST
40 KM/H GUSTING TO 60 DIMINISHING TO 20 GUSTING TO 40 NEAR MIDNIGHT.
LOW 15.
THURSDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY IN THE MORNING.
INCREASING CLOUDINESS LATE IN THE AFTERNOON. WIND WEST 20 KM/H
GUSTING TO 40 BECOMING NORTHEAST 20 GUSTING TO 40 NEAR NOON.
HIGH 21. UV INDEX 5 OR MODERATE.
CARDSTON - FORT MACLEOD - MAGRATH.
TODAY..SUNNY. WIND WEST 20 KM/H GUSTING TO 40 INCREASING TO 40
GUSTING TO 60 THIS MORNING. HIGH 23. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. WIND WEST 40 KM/H GUSTING TO 60 INCREASING TO
60 GUSTING TO 80 NEAR MIDNIGHT. LOW 17.
THURSDAY..SUNNY. INCREASING CLOUDINESS LATE IN THE AFTERNOON. WIND
WEST 60 KM/H GUSTING TO 80 DIMINISHING TO 40 GUSTING TO 60 IN THE
MORNING THEN TO 20 GUSTING TO 40 IN THE AFTERNOON. HIGH 21. UV
INDEX 5 OR MODERATE.
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
TODAY..MAINLY SUNNY. WIND WEST 20 KM/H GUSTING TO 40 INCREASING TO 40
GUSTING TO 60 THIS MORNING. HIGH 22. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. WIND WEST 40 KM/H GUSTING TO 60 INCREASING TO
60 GUSTING TO 80 NEAR MIDNIGHT. LOW 13.
THURSDAY..SUNNY. INCREASING CLOUDINESS LATE IN THE AFTERNOON. WIND
WEST 60 KM/H GUSTING TO 80 DIMINISHING TO 40 GUSTING TO 60 IN THE
MORNING THEN TO 20 GUSTING TO 40 IN THE AFTERNOON. HIGH 20. UV
INDEX 5 OR MODERATE.
END
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