998  
FPCN11 CWNT 180213 AAB  
UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS  
OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT  
8:12 P.M. MDT SUNDAY 17 MAY 2026 FOR TONIGHT MONDAY AND MONDAY NIGHT.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT MONDAY.  
 
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.  
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING  
WITH RISK OF THUNDERSTORMS. WIND SOUTHEAST 20 KM/H GUSTING TO 40  
BECOMING LIGHT THIS EVENING. LOW 7.  
MONDAY..A MIX OF SUN AND CLOUD. CLEARING NEAR NOON. HIGH 23. UV  
INDEX 5 OR MODERATE.  
MONDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY LATE IN THE EVENING.  
LOW 9.  
 
COLVILLE LAKE.  
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING  
WITH RISK OF THUNDERSTORMS. WIND SOUTH 20 KM/H GUSTING TO 40  
BECOMING LIGHT THIS EVENING. LOW PLUS 3.  
MONDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.  
HIGH 12. UV INDEX 4 OR MODERATE.  
MONDAY NIGHT..PARTLY CLOUDY. BECOMING CLOUDY BEFORE MORNING. LOW  
PLUS 2.  
 
REMAINDER UNCHANGED.  
 
END  
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