561   
FPCN11 CWNT 240024 AAA  
UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS  
OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT  
6:23 P.M. MDT SATURDAY 23 AUGUST 2025 FOR TONIGHT SUNDAY AND SUNDAY  
NIGHT.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT SUNDAY.  
  
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.  
TONIGHT..INCREASING CLOUDINESS THIS EVENING. LOCAL SMOKE. LOW 12.  
SUNDAY..A MIX OF SUN AND CLOUD. LOCAL SMOKE. HIGH 28. HUMIDEX 30. UV  
 INDEX 5 OR MODERATE.  
SUNDAY NIGHT..A FEW CLOUDS. LOCAL SMOKE. LOW 12.  
  
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.  
TONIGHT..INCREASING CLOUDINESS EARLY THIS EVENING. WIND SOUTHWEST  
 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 14.  
SUNDAY..MAINLY SUNNY. HIGH 28. HUMIDEX 30. UV INDEX 5 OR MODERATE.  
SUNDAY NIGHT..CLEAR. LOW 14.  
  
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.  
TONIGHT..PARTLY CLOUDY. LOW 14.  
SUNDAY..MAINLY SUNNY. HIGH 30. HUMIDEX 32. UV INDEX 5 OR MODERATE.  
SUNDAY NIGHT..CLEAR. LOW 12.  
  
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.  
TONIGHT..INCREASING CLOUDINESS THIS EVENING. CLEARING BEFORE MORNING.  
 LOCAL SMOKE. LOW 14.  
SUNDAY..A MIX OF SUN AND CLOUD. LOCAL SMOKE. HIGH 24. HUMIDEX 25. UV  
 INDEX 4 OR MODERATE.  
SUNDAY NIGHT..PARTLY CLOUDY. LOCAL SMOKE. LOW 11.  
  
WRIGLEY REGION.  
TONIGHT..CLOUDY. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. LOW 12.  
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 26. HUMIDEX 29. UV INDEX 4 OR  
 MODERATE.  
SUNDAY NIGHT..PARTLY CLOUDY. LOW 14.  
  
DELINE.  
TONIGHT..CLOUDY. BECOMING PARTLY CLOUDY LATE THIS EVENING. LOW 10.  
SUNDAY..A MIX OF SUN AND CLOUD. LOCAL SMOKE IN THE AFTERNOON. WIND  
 BECOMING NORTHWEST 20 KM/H IN THE MORNING. HIGH 22. UV INDEX 4 OR  
 MODERATE.  
SUNDAY NIGHT..MAINLY CLOUDY. LOCAL SMOKE. LOW 8.  
  
COLVILLE LAKE.  
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING  
 THEN PARTLY CLOUDY. LOW 12.  
SUNDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING  
 AND EARLY IN THE AFTERNOON. WIND WEST 20 KM/H BECOMING LIGHT IN THE  
 AFTERNOON. TEMPERATURE FALLING TO 10 IN THE AFTERNOON. UV INDEX 3 OR  
 MODERATE.  
SUNDAY NIGHT..CLOUDY. PERIODS OF RAIN BEGINNING IN THE EVENING.  
 AMOUNT 5 TO 10 MM. LOW 6.  
  
REMAINDER UNCHANGED.  
  
END  
 
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