060  
FPCN12 CWNT 180659 AAB  
UPDATED FORECASTS FOR THE MACKENZIE DELTA AND ARCTIC COAST AREAS OF  
THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT  
12:58 A.M. MDT TUESDAY 18 AUGUST 2026 FOR TONIGHT TUESDAY AND TUESDAY  
NIGHT.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT.  
 
SOUTH DELTA REGION INCLUDING FT. MCPHERSON - TSIIGEHTCHIC.  
TONIGHT..A FEW SHOWERS ENDING OVERNIGHT THEN PARTLY CLOUDY. RISK OF A  
THUNDERSTORM AFTER MIDNIGHT. LOW 13.  
TUESDAY..MAINLY SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON.  
HIGH 20. UV INDEX 3 OR MODERATE.  
TUESDAY NIGHT..PERIODS OF RAIN ENDING OVERNIGHT THEN PARTLY CLOUDY.  
WIND NORTH 20 KM/H GUSTING TO 40 BECOMING LIGHT NEAR MIDNIGHT.  
LOW 7.  
 
REMAINDER UNCHANGED.  
 
END  
 
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