625
FPCN15 CWWG 170530 AAE
UPDATED FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED
BY ENVIRONMENT CANADA AT 11:28 P.M. MDT SUNDAY 16 AUGUST 2026 FOR
TONIGHT MONDAY AND MONDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT MONDAY.
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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.
TONIGHT..A FEW SHOWERS ENDING OVERNIGHT THEN CLEAR. RISK OF A
THUNDERSTORM LATE THIS EVENING AND AFTER MIDNIGHT. LOCAL SMOKE.
LOW 10.
MONDAY..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. LOCAL SMOKE
EARLY IN THE MORNING. HIGH 24. UV INDEX 6 OR HIGH.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING THEN CLEAR. RISK OF A THUNDERSTORM EARLY IN THE
EVENING. LOW 10.
AIRDRIE - COCHRANE - OLDS - SUNDRE.
TONIGHT..A FEW SHOWERS ENDING AFTER MIDNIGHT THEN CLEARING. RISK OF A
THUNDERSTORM LATE THIS EVENING AND AFTER MIDNIGHT. LOCAL SMOKE. LOW
PLUS 5.
MONDAY..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. LOCAL SMOKE
EARLY IN THE MORNING. HIGH 23. UV INDEX 6 OR HIGH.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING THEN CLEAR. RISK OF A THUNDERSTORM EARLY IN THE
EVENING. LOW 6.
DRUMHELLER - THREE HILLS.
TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. LOCAL SMOKE. LOW 9.
MONDAY..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. LOCAL SMOKE
EARLY IN THE MORNING. HIGH 27. HUMIDEX 28. UV INDEX 6 OR HIGH.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING THEN CLEAR. RISK OF A THUNDERSTORM EARLY IN THE
EVENING. LOW 8.
KANANASKIS - CANMORE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS LATE THIS
EVENING AND AFTER MIDNIGHT. BECOMING CLEAR OVERNIGHT. RISK OF A
THUNDERSTORM LATE THIS EVENING AND AFTER MIDNIGHT. LOCAL SMOKE.
LOW 6.
MONDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF
SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.
RISK OF A THUNDERSTORM IN THE AFTERNOON. LOCAL SMOKE IN THE MORNING.
HIGH 25. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING THEN CLEAR. RISK OF A THUNDERSTORM EARLY IN THE
EVENING. LOW 6.
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS NEAR
MIDNIGHT. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM NEAR
MIDNIGHT. LOW PLUS 4.
MONDAY..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. HIGH 22. UV
INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING THEN CLEAR. RISK OF A THUNDERSTORM EARLY IN THE
EVENING. LOW 6.
ROCKY MOUNTAIN HOUSE - CAROLINE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
EVENING WITH RISK OF A THUNDERSTORM. LOW 7.
MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE IN
THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 23. HUMIDEX 25. UV
INDEX 6 OR HIGH.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING AND RISK OF A THUNDERSTORM. CLEARING IN THE EVENING.
LOW 7.
RED DEER - PONOKA - INNISFAIL - STETTLER.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
EVENING AND AFTER MIDNIGHT WITH RISK OF A THUNDERSTORM. LOW 7.
MONDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 23. HUMIDEX 25. UV
INDEX 6 OR HIGH.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM
EARLY IN THE EVENING. LOW 8.
MEDICINE HAT - BOW ISLAND - SUFFIELD.
TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. LOW 11.
MONDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
RISK OF A THUNDERSTORM. WIND NORTHEAST 20 KM/H BECOMING LIGHT NEAR
NOON. HIGH 26. HUMIDEX 27. UV INDEX 6 OR HIGH.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING AND RISK OF A THUNDERSTORM. CLEARING IN THE EVENING.
LOW 10.
REMAINDER UNCHANGED.
END
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