484  
FPCN12 CWNT 031641  
FORECASTS FOR THE MACKENZIE DELTA AND ARCTIC COAST AREAS OF THE  
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT  
SUNDAY 3 AUGUST 2025 FOR TODAY AND MONDAY.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT.  
 
SOUTH DELTA REGION INCLUDING FT. MCPHERSON - TSIIGEHTCHIC.  
TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH  
30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. HIGH 27. HUMIDEX  
28. UV INDEX 4 OR MODERATE.  
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS  
EVENING. CLEARING OVERNIGHT. LOW 15.  
MONDAY..SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON THEN RAIN. WIND  
BECOMING NORTH 40 KM/H GUSTING TO 60 IN THE AFTERNOON. HIGH 22.  
HUMIDEX 25. UV INDEX 4 OR MODERATE.  
 
AKLAVIK REGION.  
TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH  
30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. HIGH 25. HUMIDEX  
28. UV INDEX 4 OR MODERATE.  
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS  
EVENING. LOW 15.  
MONDAY..BECOMING CLOUDY IN THE MORNING. RAIN BEGINNING IN THE  
AFTERNOON. WIND BECOMING NORTHWEST 30 KM/H GUSTING TO 50 IN THE  
AFTERNOON. HIGH 22. HUMIDEX 25. UV INDEX 2 OR LOW.  
 
INUVIK REGION.  
TODAY..SUNNY. HIGH 27. HUMIDEX 28. UV INDEX 4 OR MODERATE.  
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. LOW 15.  
MONDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE AFTERNOON WITH  
30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. WIND BECOMING  
NORTHWEST 30 KM/H GUSTING TO 50 IN THE AFTERNOON. HIGH 23. UV  
INDEX 4 OR MODERATE.  
 
TUKTOYAKTUK - EAST CHANNEL REGION.  
TODAY..SUNNY. HIGH 23. HUMIDEX 26. UV INDEX 4 OR MODERATE.  
TONIGHT..INCREASING CLOUDINESS LATE THIS EVENING. LOW 13.  
MONDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. WIND  
BECOMING NORTHWEST 40 KM/H GUSTING TO 60 IN THE AFTERNOON. HIGH 20.  
UV INDEX 3 OR MODERATE.  
 
PAULATUK.  
TODAY..SUNNY. HIGH 23. HUMIDEX 26. UV INDEX 4 OR MODERATE.  
TONIGHT..CLEAR. LOW 12.  
MONDAY..SUNNY. HIGH 19. UV INDEX 4 OR MODERATE.  
 
SACHS HARBOUR.  
TODAY..CLOUDY. FOG PATCHES. WIND SOUTH 20 KM/H. HIGH 6. UV INDEX 3 OR  
MODERATE.  
TONIGHT..CLOUDY. PERIODS OF RAIN BEGINNING BEFORE MORNING. FOG  
PATCHES. WIND SOUTH 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW  
PLUS 1.  
MONDAY..PERIODS OF RAIN. FOG PATCHES. WIND BECOMING SOUTH 20 KM/H IN  
THE AFTERNOON. HIGH PLUS 5. UV INDEX 1 OR LOW.  
 
ULUKHAKTOK.  
TODAY..A MIX OF SUN AND CLOUD. HIGH 11. UV INDEX 4 OR MODERATE.  
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING NEAR MIDNIGHT. LOW 8.  
MONDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING NEAR NOON.  
HIGH 11. UV INDEX 4 OR MODERATE.  
 
END  
 
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