564  
FPCN15 CWWG 231030  
FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY  
ENVIRONMENT CANADA AT 5:00 A.M. MDT SATURDAY 23 MAY 2026 FOR TODAY  
AND SUNDAY.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT.  
 
---------------------------------------------------------------------  
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 EARLY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH  
30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. RISK OF A THUNDERSTORM  
THIS AFTERNOON. 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..SUNNY EARLY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH  
30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. RISK OF A THUNDERSTORM  
THIS AFTERNOON. 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..SUNNY EARLY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH  
30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. RISK OF A THUNDERSTORM  
THIS AFTERNOON. 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..SUNNY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT  
CHANCE OF SHOWERS THIS AFTERNOON. RISK OF A THUNDERSTORM THIS  
AFTERNOON. 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..SUNNY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT  
CHANCE OF SHOWERS THIS AFTERNOON. RISK OF A THUNDERSTORM THIS  
AFTERNOON. 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..SUNNY EARLY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH  
30 PERCENT CHANCE OF SHOWERS 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 LATE THIS  
MORNING AND THIS AFTERNOON. 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..INCREASING CLOUDINESS EARLY THIS MORNING. 30 PERCENT CHANCE OF  
SHOWERS. RISK OF A THUNDERSTORM THIS AFTERNOON. SNOW LEVEL 1900  
METRES RISING TO 2800 METRES THIS MORNING. 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. 30 PERCENT CHANCE OF SHOWERS THIS  
AFTERNOON WITH 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..SUNNY EARLY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH  
30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. RISK OF A THUNDERSTORM  
THIS AFTERNOON. 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..SUNNY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT  
CHANCE OF SHOWERS THIS AFTERNOON. RISK OF A THUNDERSTORM THIS  
AFTERNOON. 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..MAINLY SUNNY. 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 THIS MORNING AND 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. A MIX OF SUN AND CLOUD LATE THIS AFTERNOON WITH  
30 PERCENT CHANCE OF SHOWERS. 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..SUNNY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT  
CHANCE OF SHOWERS THIS AFTERNOON. RISK OF A THUNDERSTORM THIS  
AFTERNOON. WIND BECOMING WEST 30 KM/H GUSTING TO 50 NEAR NOON.  
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..SUNNY EARLY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH  
30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. RISK OF A THUNDERSTORM  
THIS AFTERNOON. 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..SUNNY EARLY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH  
30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. RISK OF A THUNDERSTORM  
THIS AFTERNOON. 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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