031  
FPCN11 CWNT 201251 AAA  
UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS  
OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT  
5:50 A.M. MST SATURDAY 20 DECEMBER 2025 FOR TODAY AND SUNDAY.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MST.  
 
COLVILLE LAKE.  
TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND  
BECOMING NORTH 20 KM/H THIS MORNING. TEMPERATURE FALLING TO MINUS 29  
THIS AFTERNOON. WIND CHILL MINUS 30 THIS MORNING AND MINUS 43 THIS  
AFTERNOON. FROSTBITE IN MINUTES.  
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND NORTH  
20 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 32. WIND CHILL  
MINUS 44 THIS EVENING AND MINUS 38 OVERNIGHT. FROSTBITE IN MINUTES.  
SUNDAY..PARTLY CLOUDY. WIND UP TO 15 KM/H. HIGH MINUS 23. WIND CHILL  
MINUS 38 IN THE MORNING AND MINUS 31 IN THE AFTERNOON. RISK OF  
FROSTBITE.  
 
REMAINDER UNCHANGED.  
 
END  
 
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