893  
FPCN15 CWWG 151030  
FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY  
ENVIRONMENT CANADA AT 5:00 A.M. MDT MONDAY 15 JUNE 2026 FOR TODAY AND  
TUESDAY.  
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 AND LATE THIS AFTERNOON. WIND BECOMING WEST 20 KM/H  
GUSTING TO 40 THIS AFTERNOON. HIGH 25. UV INDEX 8 OR VERY HIGH.  
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING.  
CLEARING NEAR MIDNIGHT. WIND WEST 20 KM/H GUSTING TO 40 BECOMING  
LIGHT LATE THIS EVENING. LOW 12.  
TUESDAY..INCREASING CLOUDINESS. PERIODS OF RAIN BEGINNING EARLY IN  
THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. WIND  
BECOMING NORTHWEST 40 KM/H GUSTING TO 60 NEAR NOON. HIGH 21. UV  
INDEX 7 OR HIGH.  
 
OKOTOKS - HIGH RIVER - CLARESHOLM.  
TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY THIS AFTERNOON WITH  
30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. WIND BECOMING WEST  
20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 25. HUMIDEX 27. UV  
INDEX 8 OR VERY HIGH.  
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING.  
CLEARING NEAR MIDNIGHT. WIND WEST 20 KM/H GUSTING TO 40 BECOMING  
LIGHT LATE THIS EVENING. LOW 11.  
TUESDAY..INCREASING CLOUDINESS. PERIODS OF RAIN BEGINNING EARLY IN  
THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. WIND  
BECOMING NORTHWEST 40 KM/H GUSTING TO 60 NEAR NOON. HIGH 24. UV  
INDEX 8 OR VERY HIGH.  
 
AIRDRIE - COCHRANE - OLDS - SUNDRE.  
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS EARLY  
THIS MORNING AND LATE THIS AFTERNOON. WIND BECOMING WEST 20 KM/H  
GUSTING TO 40 THIS AFTERNOON. HIGH 25. UV INDEX 8 OR VERY HIGH.  
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS  
EVENING. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT LATE THIS  
EVENING. LOW 11.  
TUESDAY..MAINLY CLOUDY. PERIODS OF RAIN BEGINNING LATE IN THE  
MORNING. RISK OF A THUNDERSTORM IN THE AFTERNOON. WIND BECOMING  
NORTHWEST 40 KM/H GUSTING TO 60 NEAR NOON. HIGH 19. UV INDEX 4 OR  
MODERATE.  
 
DRUMHELLER - THREE HILLS.  
TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY THIS AFTERNOON WITH  
30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. HIGH 27. UV  
INDEX 8 OR VERY HIGH.  
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING AND AFTER  
MIDNIGHT. LOW 13.  
TUESDAY..CLOUDY. PERIODS OF RAIN BEGINNING LATE IN THE MORNING. RISK  
OF A THUNDERSTORM IN THE AFTERNOON. WIND BECOMING NORTHWEST 50 KM/H  
GUSTING TO 70 NEAR NOON. HIGH 21. UV INDEX 4 OR MODERATE.  
 
BROOKS - STRATHMORE - VULCAN.  
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS MORNING  
AND LATE THIS AFTERNOON. HIGH 27. HUMIDEX 28. UV INDEX 8 OR VERY  
HIGH.  
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING AND AFTER  
MIDNIGHT. LOW 14.  
TUESDAY..MAINLY CLOUDY. PERIODS OF RAIN BEGINNING EARLY IN THE  
AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. WIND BECOMING  
NORTHWEST 50 KM/H GUSTING TO 80 EARLY IN THE AFTERNOON. HIGH 24. UV  
INDEX 8 OR VERY HIGH.  
 
KANANASKIS - CANMORE.  
TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY THIS AFTERNOON WITH  
30 PERCENT CHANCE OF SHOWERS LATER THIS AFTERNOON. WIND BECOMING  
WEST 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 25. UV INDEX 8 OR  
VERY HIGH.  
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS  
EVENING. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT LATE THIS  
EVENING. LOW 12.  
TUESDAY..MAINLY CLOUDY. PERIODS OF RAIN BEGINNING EARLY IN THE  
AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 23. UV  
INDEX 7 OR HIGH.  
 
BANFF NATIONAL PARK  
HIGHWAY 93 - LAKE LOUISE TO SASKATCHEWAN RIVER CROSSING.  
TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY THIS AFTERNOON WITH  
30 PERCENT CHANCE OF SHOWERS LATER THIS AFTERNOON. HIGH 22. UV  
INDEX 8 OR VERY HIGH.  
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING.  
LOW 10.  
TUESDAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON  
WITH RISK OF A THUNDERSTORM. HIGH 18. UV INDEX 7 OR HIGH.  
 
HIGHWAY 93 - JASPER TO SASKATCHEWAN RIVER CROSSING  
JASPER NATIONAL PARK.  
TODAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS AFTERNOON.  
HIGH 23. UV INDEX 6 OR HIGH.  
TONIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING.  
LOW 11.  
TUESDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE IN THE MORNING AND  
IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 17. UV INDEX 4 OR  
MODERATE.  
 
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.  
TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY THIS AFTERNOON WITH  
30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. HIGH 23. UV  
INDEX 7 OR HIGH.  
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING. LOW 10.  
TUESDAY..CLOUDY. PERIODS OF RAIN BEGINNING IN THE MORNING. RISK OF A  
THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. WIND BECOMING  
NORTHWEST 20 KM/H GUSTING TO 40 LATE IN THE MORNING. HIGH 16. UV  
INDEX 1 OR LOW.  
 
ROCKY MOUNTAIN HOUSE - CAROLINE.  
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS  
MORNING. 60 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. WIND  
BECOMING WEST 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 25. UV  
INDEX 7 OR HIGH.  
TONIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING AND AFTER  
MIDNIGHT. PERIODS OF RAIN BEGINNING BEFORE MORNING. RISK OF A  
THUNDERSTORM BEFORE MORNING. WIND WEST 20 KM/H GUSTING TO 40  
BECOMING LIGHT LATE THIS EVENING. LOW 11.  
TUESDAY..PERIODS OF RAIN WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 5  
TO 10 MM. WIND BECOMING NORTHWEST 30 KM/H GUSTING TO 50 LATE IN THE  
MORNING. HIGH 17. UV INDEX 1 OR LOW.  
 
RED DEER - PONOKA - INNISFAIL - STETTLER.  
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS EARLY  
THIS MORNING. 60 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON.  
HIGH 25. UV INDEX 8 OR VERY HIGH.  
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 13.  
TUESDAY..PERIODS OF RAIN WITH RISK OF A THUNDERSTORM. WIND BECOMING  
NORTHWEST 50 KM/H GUSTING TO 70 NEAR NOON. HIGH 18. UV INDEX 1 OR  
LOW.  
 
HANNA - CORONATION - OYEN.  
TODAY..MAINLY SUNNY. HIGH 26. UV INDEX 7 OR HIGH.  
TONIGHT..INCREASING CLOUDINESS EARLY THIS EVENING. 60 PERCENT CHANCE  
OF SHOWERS LATE THIS EVENING AND OVERNIGHT. LOW 12.  
TUESDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY IN THE MORNING.  
RAIN BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM IN THE MORNING  
AND AFTERNOON. LOCAL AMOUNT 5 TO 10 MM. WIND BECOMING SOUTH 20 KM/H  
IN THE MORNING THEN NORTHWEST 50 GUSTING TO 70 EARLY IN THE  
AFTERNOON. HIGH 19. UV INDEX 1 OR LOW.  
 
MEDICINE HAT - BOW ISLAND - SUFFIELD.  
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS EARLY  
THIS MORNING. HIGH 27. UV INDEX 8 OR VERY HIGH.  
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS EVENING AND  
OVERNIGHT. LOW 16.  
TUESDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE MORNING.  
PERIODS OF RAIN BEGINNING IN THE AFTERNOON. RISK OF A THUNDERSTORM  
IN THE AFTERNOON. WIND BECOMING NORTHWEST 60 KM/H GUSTING TO 80 IN  
THE AFTERNOON. HIGH 25. HUMIDEX 26. UV INDEX 6 OR HIGH.  
 
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.  
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS  
MORNING. CLEARING THIS MORNING. WIND NORTHWEST 20 KM/H GUSTING TO  
40. HIGH 27. UV INDEX 8 OR VERY HIGH.  
TONIGHT..INCREASING CLOUDINESS EARLY THIS EVENING. 30 PERCENT CHANCE  
OF SHOWERS LATE THIS EVENING AND OVERNIGHT. WIND NORTHWEST 20 KM/H  
GUSTING TO 40 BECOMING LIGHT LATE THIS EVENING. LOW 16.  
TUESDAY..MAINLY SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON THEN  
PERIODS OF RAIN. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. WIND  
BECOMING WEST 30 KM/H THEN NORTHWEST 60 GUSTING TO 80 IN THE  
AFTERNOON. HIGH 27. UV INDEX 9 OR VERY HIGH.  
 
LETHBRIDGE - TABER - MILK RIVER.  
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS  
MORNING. CLEARING THIS MORNING. WIND BECOMING WEST 30 KM/H GUSTING  
TO 50 THIS AFTERNOON. HIGH 27. UV INDEX 8 OR VERY HIGH.  
TONIGHT..MAINLY CLOUDY. CLEARING BEFORE MORNING. WIND WEST 30 KM/H  
GUSTING TO 50 BECOMING LIGHT LATE THIS EVENING. LOW 16.  
TUESDAY..SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON THEN  
60 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. RISK OF A  
THUNDERSTORM LATE IN THE AFTERNOON. WIND BECOMING WEST 50 KM/H  
GUSTING TO 70 NEAR NOON. HIGH 27. UV INDEX 8 OR VERY HIGH.  
 
CARDSTON - FORT MACLEOD - MAGRATH.  
TODAY..MAINLY SUNNY. INCREASING CLOUDINESS EARLY THIS AFTERNOON. WIND  
BECOMING WEST 30 KM/H GUSTING TO 50 THIS AFTERNOON. HIGH 26. UV  
INDEX 8 OR VERY HIGH.  
TONIGHT..MAINLY CLOUDY. CLEARING OVERNIGHT. WIND WEST 30 KM/H GUSTING  
TO 50 BECOMING LIGHT LATE THIS EVENING. LOW 15.  
TUESDAY..SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON. WIND BECOMING  
SOUTHWEST 20 KM/H THEN WEST 50 GUSTING TO 70 NEAR NOON. HIGH 24. UV  
INDEX 9 OR VERY HIGH.  
 
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.  
TODAY..MAINLY SUNNY. INCREASING CLOUDINESS THIS MORNING. WIND  
BECOMING WEST 30 KM/H GUSTING TO 50 THIS AFTERNOON. HIGH 26. UV  
INDEX 7 OR HIGH.  
TONIGHT..CLEARING LATE THIS EVENING. WIND WEST 30 KM/H GUSTING TO 50  
BECOMING LIGHT LATE THIS EVENING. LOW 15.  
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.  
WIND WEST 20 KM/H INCREASING TO 60 GUSTING TO 80 NEAR NOON. HIGH 23.  
UV INDEX 8 OR VERY HIGH.  
 
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