142  
FPCN15 CWWG 180123 AAC  
UPDATED FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED  
BY ENVIRONMENT CANADA AT 7:22 P.M. MDT MONDAY 17 AUGUST 2026 FOR  
TONIGHT TUESDAY AND TUESDAY NIGHT.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT TUESDAY.  
 
---------------------------------------------------------------------  
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.  
---------------------------------------------------------------------  
 
OKOTOKS - HIGH RIVER - CLARESHOLM.  
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS  
EVENING WITH RISK OF A SEVERE THUNDERSTORM. CLEARING OVERNIGHT.  
LOCAL SMOKE. LOW 9.  
TUESDAY..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 26.  
HUMIDEX 31. UV INDEX 6 OR HIGH.  
TUESDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE  
EVENING. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM IN THE  
EVENING. LOW 10.  
 
BROOKS - STRATHMORE - VULCAN.  
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS  
EVENING. BECOMING CLEAR OVERNIGHT. RISK OF A SEVERE THUNDERSTORM  
THIS EVENING. LOCAL SMOKE BECOMING FOG PATCHES BEFORE MORNING.  
LOW 9.  
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. FOG  
PATCHES DISSIPATING IN THE MORNING. HIGH 30. HUMIDEX 32. UV INDEX 6  
OR HIGH.  
TUESDAY NIGHT..PARTLY CLOUDY. LOW 12.  
 
REMAINDER UNCHANGED.  
 
END  
 
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