216  
FPCN11 CWNT 171857 AAA  
UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS  
OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT  
12:56 P.M. MDT FRIDAY 17 JULY 2026 FOR TODAY AND SATURDAY.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT.  
 
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.  
TODAY..MAINLY SUNNY. LOCAL SMOKE. WIND WEST 30 KM/H GUSTING TO 50.  
HIGH 24. UV INDEX 5 OR MODERATE.  
TONIGHT..A FEW CLOUDS. LOCAL SMOKE. WIND WEST 30 KM/H GUSTING TO 50  
BECOMING LIGHT THIS EVENING. LOW 13.  
SATURDAY..SUNNY. LOCAL SMOKE. HIGH 28. HUMIDEX 30. UV INDEX 5 OR  
MODERATE.  
 
COLVILLE LAKE.  
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF DRIZZLE. WIND WEST  
20 KM/H. HIGH 17. UV INDEX 3 OR MODERATE.  
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF DRIZZLE. WIND WEST  
20 KM/H BECOMING LIGHT THIS EVENING. LOW 10.  
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 21. UV INDEX 4 OR MODERATE.  
 
REMAINDER UNCHANGED.  
 
END  
 
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