618
FPCN15 CWWG 261031
FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY
ENVIRONMENT CANADA AT 5:00 A.M. MDT TUESDAY 26 MAY 2026 FOR TODAY AND
WEDNESDAY.
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..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS EARLY
THIS MORNING. WIND BECOMING NORTHEAST 20 KM/H THIS AFTERNOON.
HIGH 26. UV INDEX 6 OR HIGH.
TONIGHT..INCREASING CLOUDINESS EARLY THIS EVENING. 30 PERCENT CHANCE
OF SHOWERS WITH RISK OF A THUNDERSTORM. WIND NORTH 20 KM/H BECOMING
LIGHT OVERNIGHT. LOW 16.
WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE
IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 27. UV INDEX 7 OR
HIGH.
OKOTOKS - HIGH RIVER - CLARESHOLM.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS EARLY
THIS MORNING. CLEARING THIS MORNING. HIGH 29. UV INDEX 6 OR HIGH.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. LOW 14.
WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE
IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 27. HUMIDEX 31.
UV INDEX 7 OR HIGH.
AIRDRIE - COCHRANE - OLDS - SUNDRE.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS EARLY
THIS MORNING. CLEARING THIS MORNING. HIGH 25. UV INDEX 6 OR HIGH.
TONIGHT..INCREASING CLOUDINESS EARLY THIS EVENING. 30 PERCENT CHANCE
OF SHOWERS WITH RISK OF A THUNDERSTORM. LOW 11.
WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE
IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 27. HUMIDEX 28.
UV INDEX 7 OR HIGH.
DRUMHELLER - THREE HILLS.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS EARLY
THIS MORNING. CLEARING THIS MORNING. WIND BECOMING SOUTHEAST 20 KM/H
THIS AFTERNOON. HIGH 31. UV INDEX 6 OR HIGH.
TONIGHT..INCREASING CLOUDINESS EARLY THIS EVENING. 30 PERCENT CHANCE
OF SHOWERS WITH RISK OF A THUNDERSTORM. WIND SOUTHEAST 20 KM/H
BECOMING LIGHT THIS EVENING. LOW 16.
WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE
IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 31. HUMIDEX 33.
UV INDEX 7 OR HIGH.
BROOKS - STRATHMORE - VULCAN.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS EARLY
THIS MORNING. CLEARING THIS MORNING. WIND BECOMING SOUTHEAST 20 KM/H
NEAR NOON. HIGH 33. UV INDEX 7 OR HIGH.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. WIND EAST 20 KM/H BECOMING LIGHT OVERNIGHT. LOW 16.
WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE
IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 34. HUMIDEX 35.
UV INDEX 7 OR HIGH.
KANANASKIS - CANMORE.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS EARLY
THIS MORNING. HIGH 25. UV INDEX 6 OR HIGH.
TONIGHT..BECOMING CLOUDY THIS EVENING WITH 30 PERCENT CHANCE OF
SHOWERS THIS EVENING AND OVERNIGHT. RISK OF A THUNDERSTORM. LOW 11.
WEDNESDAY..BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. 30 PERCENT
CHANCE OF SHOWERS LATE IN THE AFTERNOON. RISK OF A THUNDERSTORM LATE
IN THE AFTERNOON. HIGH 28. UV INDEX 7 OR HIGH.
BANFF NATIONAL PARK
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.
TODAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS EARLY
THIS MORNING. HIGH 23. UV INDEX 6 OR HIGH.
TONIGHT..CLOUDY. LOW 8.
WEDNESDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING.
HIGH 24. UV INDEX 7 OR HIGH.
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING
JASPER NATIONAL PARK.
TODAY..RAIN ENDING THIS AFTERNOON THEN MAINLY CLOUDY. HIGH 18. UV
INDEX 4 OR MODERATE.
TONIGHT..MAINLY CLOUDY. LOW 6.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 25. UV INDEX 6 OR HIGH.
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
TODAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS THIS
MORNING AND EARLY THIS AFTERNOON. HIGH 22. UV INDEX 5 OR MODERATE.
TONIGHT..INCREASING CLOUDINESS. LOW 9.
WEDNESDAY..BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. 30 PERCENT
CHANCE OF SHOWERS LATE IN THE AFTERNOON. RISK OF A THUNDERSTORM LATE
IN THE AFTERNOON. HIGH 24. UV INDEX 6 OR HIGH.
ROCKY MOUNTAIN HOUSE - CAROLINE.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS MORNING
AND EARLY THIS AFTERNOON. CLEARING THIS AFTERNOON. WIND BECOMING
NORTHWEST 20 KM/H THIS AFTERNOON. HIGH 24. UV INDEX 5 OR MODERATE.
TONIGHT..INCREASING CLOUDINESS. WIND NORTHWEST 20 KM/H BECOMING LIGHT
NEAR MIDNIGHT. LOW 11.
WEDNESDAY..BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. 30 PERCENT
CHANCE OF SHOWERS LATE IN THE AFTERNOON. RISK OF A THUNDERSTORM LATE
IN THE AFTERNOON. HIGH 27. HUMIDEX 28. UV INDEX 6 OR HIGH.
RED DEER - PONOKA - INNISFAIL - STETTLER.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS
MORNING AND EARLY THIS AFTERNOON. HIGH 25 EXCEPT 30 IN A FEW
LOCALITIES. UV INDEX 6 OR HIGH.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. LOW 14.
WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE
IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 31.
UV INDEX 7 OR HIGH.
HANNA - CORONATION - OYEN.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS EARLY
THIS AFTERNOON. WIND BECOMING SOUTHEAST 30 KM/H GUSTING TO 50 NEAR
NOON. HIGH 33. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. WIND SOUTHEAST 30 KM/H GUSTING TO 50 BECOMING LIGHT
OVERNIGHT. LOW 16.
WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE
IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING
SOUTHEAST 30 KM/H GUSTING TO 50 NEAR NOON. HIGH 33. HUMIDEX 34. UV
INDEX 7 OR HIGH.
MEDICINE HAT - BOW ISLAND - SUFFIELD.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS
MORNING. WIND BECOMING EAST 30 KM/H GUSTING TO 50 NEAR NOON.
HIGH 34. UV INDEX 7 OR HIGH.
TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. WIND EAST 30 KM/H GUSTING TO 50 BECOMING LIGHT
OVERNIGHT. LOW 18.
WEDNESDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX
OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE IN THE
AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. WIND
BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 35. UV
INDEX 7 OR HIGH.
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
TODAY..MAINLY SUNNY. WIND BECOMING EAST 30 KM/H GUSTING TO 50 NEAR
NOON. HIGH 33. UV INDEX 7 OR HIGH.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. WIND SOUTHEAST 30 KM/H GUSTING TO 50 BECOMING LIGHT
OVERNIGHT. LOW 17.
WEDNESDAY..MAINLY SUNNY. WIND BECOMING SOUTHEAST 30 KM/H GUSTING TO
50 NEAR NOON. HIGH 33. UV INDEX 8 OR VERY HIGH.
LETHBRIDGE - TABER - MILK RIVER.
TODAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING EAST 20 KM/H
THIS AFTERNOON. HIGH 29. UV INDEX 7 OR HIGH.
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. BECOMING PARTLY
CLOUDY BEFORE MORNING. RISK OF A THUNDERSTORM. WIND EAST 20 KM/H
BECOMING SOUTH 20 THEN BECOMING WEST 20 NEAR MIDNIGHT. LOW 14.
WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE
IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H
BECOMING LIGHT IN THE MORNING. HIGH 31. HUMIDEX 34. UV INDEX 7 OR
HIGH.
CARDSTON - FORT MACLEOD - MAGRATH.
TODAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 27. UV INDEX 7 OR HIGH.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. LOW 14.
WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE
IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 31.
UV INDEX 7 OR HIGH.
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
TODAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H BECOMING
EAST 20 NEAR NOON. HIGH 28. UV INDEX 7 OR HIGH.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. WIND EAST 20 KM/H BECOMING SOUTH 20 THIS EVENING.
LOW 12.
WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE
IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 28. HUMIDEX 30.
UV INDEX 7 OR HIGH.
END
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