691  
FPCN12 CWNT 251030  
FORECASTS FOR THE MACKENZIE DELTA AND ARCTIC COAST AREAS OF THE  
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 5:00 A.M. MDT  
MONDAY 25 AUGUST 2025 FOR TODAY AND TUESDAY.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT.  
 
SOUTH DELTA REGION INCLUDING FT. MCPHERSON - TSIIGEHTCHIC.  
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS  
MORNING. FOG PATCHES DISSIPATING THIS MORNING. HIGH 21. UV INDEX 3  
OR MODERATE.  
TONIGHT..MAINLY CLOUDY. LOW 16.  
TUESDAY..MAINLY CLOUDY. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40  
NEAR NOON. HIGH 24. HUMIDEX 26. UV INDEX 3 OR MODERATE.  
 
AKLAVIK REGION.  
TODAY..MAINLY CLOUDY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 16.  
UV INDEX 3 OR MODERATE.  
TONIGHT..MAINLY CLOUDY. LOW 14.  
TUESDAY..MAINLY CLOUDY. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40  
NEAR NOON. HIGH 22. UV INDEX 3 OR MODERATE.  
 
INUVIK REGION.  
TODAY..MAINLY CLOUDY. FOG PATCHES DISSIPATING THIS MORNING. HIGH 17.  
UV INDEX 2 OR LOW.  
TONIGHT..MAINLY CLOUDY. WIND SOUTHWEST 20 KM/H. TEMPERATURE RISING  
TO 19 BY MORNING.  
TUESDAY..MAINLY CLOUDY. WIND SOUTHWEST 20 KM/H GUSTING TO 40.  
HIGH 21. UV INDEX 3 OR MODERATE.  
 
TUKTOYAKTUK - EAST CHANNEL REGION.  
TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING.  
WIND BECOMING SOUTHWEST 20 KM/H THIS MORNING. HIGH 12. UV INDEX 3 OR  
MODERATE.  
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS  
EVENING AND AFTER MIDNIGHT. WIND BECOMING SOUTHWEST 30 KM/H GUSTING  
TO 50 NEAR MIDNIGHT. TEMPERATURE RISING TO 16 BY MORNING.  
TUESDAY..MAINLY CLOUDY. WIND SOUTHWEST 40 KM/H GUSTING TO 60.  
HIGH 19. UV INDEX 3 OR MODERATE.  
 
PAULATUK.  
TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY THIS AFTERNOON. FOG  
PATCHES DISSIPATING THIS MORNING. WIND BECOMING SOUTHWEST 30 KM/H  
GUSTING TO 50 THIS MORNING. HIGH 12. UV INDEX 3 OR MODERATE.  
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST  
20 KM/H GUSTING TO 50 INCREASING TO 40 GUSTING TO 60 OVERNIGHT.  
LOW 10.  
TUESDAY..MAINLY CLOUDY. WIND SOUTHWEST 50 KM/H GUSTING TO 70 BECOMING  
WEST 30 IN THE AFTERNOON. HIGH 21. UV INDEX 3 OR MODERATE.  
 
SACHS HARBOUR.  
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES CHANGING TO  
30 PERCENT CHANCE OF RAIN SHOWERS THIS AFTERNOON. FOG PATCHES  
DISSIPATING THIS MORNING. WIND SOUTHWEST 30 KM/H GUSTING TO 50. HIGH  
PLUS 3. WIND CHILL MINUS 8 THIS MORNING. UV INDEX 2 OR LOW.  
TONIGHT..PERIODS OF RAIN. WIND SOUTH 30 KM/H GUSTING TO 50. LOW  
PLUS 1.  
TUESDAY..PERIODS OF RAIN ENDING NEAR NOON THEN CLOUDY WITH 30 PERCENT  
CHANCE OF SHOWERS. WIND SOUTHEAST 30 KM/H GUSTING TO 50 BECOMING  
SOUTHWEST 20 GUSTING TO 40 NEAR NOON. HIGH 6. UV INDEX 2 OR LOW.  
 
ULUKHAKTOK.  
TODAY..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES THIS MORNING AND  
EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD. WIND WEST 30 KM/H  
GUSTING TO 50. HIGH PLUS 5. UV INDEX 2 OR LOW.  
TONIGHT..BECOMING CLOUDY THIS EVENING WITH 30 PERCENT CHANCE OF  
SHOWERS OVERNIGHT. WIND SOUTHEAST 20 KM/H BECOMING LIGHT OVERNIGHT.  
TEMPERATURE STEADY NEAR PLUS 5.  
TUESDAY..PERIODS OF RAIN ENDING IN THE AFTERNOON THEN CLOUDY. AMOUNT  
5 MM. WIND BECOMING SOUTHEAST 30 KM/H GUSTING TO 50 IN THE MORNING  
THEN SOUTHWEST 20 GUSTING TO 40. HIGH 12. UV INDEX 2 OR LOW.  
 
END  
 
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