801
FPCN15 CWWG 231655
FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY
ENVIRONMENT CANADA AT 11:00 A.M. MDT SATURDAY 23 MAY 2026 FOR TODAY
AND SUNDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.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 WITH RISK
OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40
THIS AFTERNOON. HIGH 23. UV INDEX 6 OR HIGH.
TONIGHT..A FEW CLOUDS. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 7.
SUNDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON.
HIGH 21. UV INDEX 6 OR HIGH.
OKOTOKS - HIGH RIVER - CLARESHOLM.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS WITH RISK
OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40
THIS AFTERNOON. HIGH 23. UV INDEX 6 OR HIGH.
TONIGHT..A FEW CLOUDS. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 10.
SUNDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. WIND BECOMING SOUTHWEST 30 KM/H GUSTING TO 50 NEAR NOON.
HIGH 23. UV INDEX 6 OR HIGH.
AIRDRIE - COCHRANE - OLDS - SUNDRE.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS WITH RISK
OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40
THIS AFTERNOON. HIGH 23. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW PLUS 4 WITH RISK OF FROST.
SUNDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. WIND BECOMING WEST 20 KM/H GUSTING TO 40 NEAR NOON.
HIGH 20. UV INDEX 6 OR HIGH.
DRUMHELLER - THREE HILLS.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST
20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 26. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H GUSTING
TO 40 BECOMING LIGHT THIS EVENING. WIND BECOMING NORTHWEST 20
GUSTING TO 40 NEAR MIDNIGHT. LOW 7.
SUNDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. WIND BECOMING SOUTH 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 24. UV INDEX 6 OR HIGH.
BROOKS - STRATHMORE - VULCAN.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST
20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 26. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H GUSTING
TO 40 BECOMING LIGHT THIS EVENING. LOW 7.
SUNDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. WIND BECOMING SOUTH 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 25. UV INDEX 6 OR HIGH.
KANANASKIS - CANMORE.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS THIS
AFTERNOON. BECOMING SUNNY LATE THIS AFTERNOON. RISK OF A
THUNDERSTORM THIS AFTERNOON. WIND SOUTHWEST 20 KM/H GUSTING TO 40.
HIGH 21. UV INDEX 6 OR HIGH.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY LATE THIS EVENING. WIND
SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 8.
SUNDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. WIND BECOMING WEST 30 KM/H GUSTING TO 50 IN THE MORNING.
HIGH 21. UV INDEX 6 OR HIGH.
BANFF NATIONAL PARK
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS. WIND
BECOMING SOUTHWEST 20 KM/H THIS AFTERNOON. HIGH 18. UV INDEX 6 OR
HIGH.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
EVENING AND OVERNIGHT. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW PLUS 4.
SUNDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND
BECOMING SOUTHWEST 20 KM/H IN THE MORNING. HIGH 16. UV INDEX 5 OR
MODERATE.
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING
JASPER NATIONAL PARK.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND
RISK OF A THUNDERSTORM. HIGH 18. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM THIS EVENING. SNOW LEVEL LOWERING TO 2000 METRES
OVERNIGHT. LOW 7.
SUNDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. SNOW LEVEL
2000 METRES RISING TO 2400 METRES IN THE AFTERNOON. WIND BECOMING
SOUTHWEST 20 KM/H IN THE MORNING. HIGH 16. UV INDEX 5 OR MODERATE.
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND
RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H GUSTING TO 40
THIS AFTERNOON. HIGH 19. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 6.
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
WIND BECOMING WEST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 17. UV
INDEX 5 OR MODERATE.
ROCKY MOUNTAIN HOUSE - CAROLINE.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS WITH RISK
OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H GUSTING TO 40 THIS
AFTERNOON. HIGH 23. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW PLUS 5.
SUNDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE IN THE
MORNING AND IN THE AFTERNOON. HIGH 19. UV INDEX 5 OR MODERATE.
RED DEER - PONOKA - INNISFAIL - STETTLER.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST
20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 23. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM EARLY THIS EVENING. WIND SOUTHWEST 20 KM/H GUSTING TO
40 BECOMING LIGHT THIS EVENING. WIND BECOMING NORTHWEST 20 GUSTING
TO 40 NEAR MIDNIGHT. LOW 8.
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 19. UV INDEX 6 OR HIGH.
HANNA - CORONATION - OYEN.
TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON. WIND
SOUTHWEST 20 KM/H GUSTING TO 40. HIGH 23. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT THIS EVENING. WIND BECOMING NORTH 20 GUSTING TO 40
BEFORE MORNING. LOW 8.
SUNDAY..A MIX OF SUN AND CLOUD. WIND NORTH 20 KM/H GUSTING TO 40
BECOMING LIGHT IN THE MORNING. HIGH 23. UV INDEX 6 OR HIGH.
MEDICINE HAT - BOW ISLAND - SUFFIELD.
TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH
30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A
THUNDERSTORM LATE THIS AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H
GUSTING TO 40 THIS AFTERNOON. HIGH 27. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H GUSTING TO 40.
LOW 11.
SUNDAY..MAINLY SUNNY. WIND BECOMING WEST 20 KM/H GUSTING TO 40 EARLY
IN THE AFTERNOON. HIGH 28. UV INDEX 6 OR HIGH.
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.
TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH
30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A
THUNDERSTORM LATE THIS AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H
GUSTING TO 40 THIS AFTERNOON. HIGH 24. UV INDEX 7 OR HIGH.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING
AND RISK OF A THUNDERSTORM. CLEARING LATE THIS EVENING. WIND
SOUTHWEST 20 KM/H GUSTING TO 40. LOW 11.
SUNDAY..MAINLY SUNNY. WIND BECOMING WEST 30 KM/H GUSTING TO 50 NEAR
NOON. HIGH 27. UV INDEX 6 OR HIGH.
LETHBRIDGE - TABER - MILK RIVER.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND WEST 30 KM/H GUSTING TO
50. HIGH 24. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. WIND WEST 30 KM/H GUSTING TO
50. LOW 10.
SUNDAY..MAINLY SUNNY. WIND WEST 30 KM/H GUSTING TO 50. HIGH 26. UV
INDEX 6 OR HIGH.
CARDSTON - FORT MACLEOD - MAGRATH.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND WEST 30 KM/H GUSTING TO
50. HIGH 22. UV INDEX 7 OR HIGH.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. WIND WEST 30 KM/H GUSTING TO
50. LOW 11.
SUNDAY..MAINLY SUNNY. WIND BECOMING WEST 40 KM/H GUSTING TO 60 IN THE
MORNING. HIGH 23. UV INDEX 6 OR HIGH.
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS WITH RISK
OF A THUNDERSTORM. WIND WEST 30 KM/H GUSTING TO 50. HIGH 21. UV
INDEX 6 OR HIGH.
TONIGHT..A FEW CLOUDS. WIND WEST 30 KM/H GUSTING TO 50. LOW 10.
SUNDAY..MAINLY SUNNY. WIND BECOMING WEST 40 KM/H GUSTING TO 60 IN THE
MORNING. HIGH 22. UV INDEX 6 OR HIGH.
END
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