463
FPCN15 CWWG 170256 AAD
UPDATED FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED
BY ENVIRONMENT CANADA AT 8:56 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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BROOKS - STRATHMORE - VULCAN.
TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A
SEVERE THUNDERSTORM THIS EVENING. RISK OF A THUNDERSTORM OVERNIGHT.
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 26. 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 7.
LETHBRIDGE - TABER - MILK RIVER.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. LOW 9.
MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE IN
THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 25. HUMIDEX 27. UV
INDEX 6 OR HIGH.
MONDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE EVENING WITH RISK OF A THUNDERSTORM. LOW 9.
CARDSTON - FORT MACLEOD - MAGRATH.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING AND
AFTER MIDNIGHT WITH RISK OF A THUNDERSTORM. LOCAL SMOKE. LOW 8.
MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE IN
THE AFTERNOON WITH RISK OF A THUNDERSTORM. LOCAL SMOKE IN THE
MORNING. HIGH 24. HUMIDEX 25. UV INDEX 6 OR HIGH.
MONDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE EVENING WITH RISK OF A THUNDERSTORM. LOCAL SMOKE OVERNIGHT.
LOW 9.
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS
EVENING. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM THIS
EVENING. LOCAL SMOKE. LOW 8.
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. HIGH 25. UV
INDEX 6 OR HIGH.
MONDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE EVENING WITH RISK OF A THUNDERSTORM. LOCAL SMOKE. LOW 9.
REMAINDER UNCHANGED.
END
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