667  
FPCN11 CWNT 220612 AAB  
UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS  
OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT  
12:11 A.M. MDT FRIDAY 22 MAY 2026 FOR TONIGHT FRIDAY AND FRIDAY  
NIGHT.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT.  
 
YELLOWKNIFE REGION.  
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND EAST  
20 KM/H BECOMING LIGHT OVERNIGHT. LOW 7.  
FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 17. UV INDEX 4 OR  
MODERATE.  
FRIDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN  
THE EVENING WITH RISK OF A THUNDERSTORM. LOW 6.  
 
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.  
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 6.  
FRIDAY..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. HIGH 15. UV INDEX 4 OR  
MODERATE.  
FRIDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY  
IN THE EVENING AND RISK OF A THUNDERSTORM. CLEARING IN THE EVENING.  
LOW 6.  
 
REMAINDER UNCHANGED.  
 
END  
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