535  
FPCN11 CWNT 290008 AAB  
UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS  
OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT  
6:06 P.M. MDT SUNDAY 28 JUNE 2026 FOR TONIGHT MONDAY AND MONDAY  
NIGHT.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT MONDAY.  
 
COLVILLE LAKE.  
TONIGHT..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.  
RISK OF A SEVERE THUNDERSTORM THIS EVENING. LOW 15.  
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE MORNING AND  
EARLY IN THE AFTERNOON. RAIN BEGINNING IN THE AFTERNOON. HIGH 19. UV  
INDEX 3 OR MODERATE.  
MONDAY NIGHT..RAIN ENDING OVERNIGHT THEN CLOUDY. AMOUNT 5 TO 10 MM.  
LOW 12.  
 
REMAINDER UNCHANGED.  
 
END  
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