543  
FPCN11 CWNT 281033  
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE  
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 5:00 A.M. MDT  
SUNDAY 28 JUNE 2026 FOR TODAY AND MONDAY.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT.  
 
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.  
TODAY..SUNNY. HIGH 32. UV INDEX 5 OR MODERATE.  
TONIGHT..CLEAR. LOW 17.  
MONDAY..SUNNY. HIGH 33. HUMIDEX 34. UV INDEX 5 OR MODERATE.  
 
LUTSEL K'E REGION.  
TODAY..SUNNY. HIGH 26. UV INDEX 5 OR MODERATE.  
TONIGHT..CLEAR. LOW 14.  
MONDAY..SUNNY. HIGH 28. UV INDEX 5 OR MODERATE.  
 
FT. RESOLUTION REGION INCLUDING HWY. 6.  
TODAY..SUNNY. HIGH 29. HUMIDEX 31. UV INDEX 5 OR MODERATE.  
TONIGHT..CLEAR. LOW 17.  
MONDAY..SUNNY. HIGH 31. UV INDEX 6 OR HIGH.  
 
HAY RIVER REGION INCLUDING ENTERPRISE.  
TODAY..SUNNY. LOCAL SMOKE THIS AFTERNOON. HIGH 25 EXCEPT 32 INLAND.  
HUMIDEX 27 EXCEPT 33 INLAND. UV INDEX 5 OR MODERATE.  
TONIGHT..CLEAR. LOCAL SMOKE. LOW 15.  
MONDAY..SUNNY. LOCAL SMOKE. HIGH 28. HUMIDEX 30. UV INDEX 6 OR HIGH.  
 
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.  
TODAY..SUNNY. HIGH 33. HUMIDEX 34. UV INDEX 6 OR HIGH.  
TONIGHT..CLEAR. LOW 16.  
MONDAY..MAINLY SUNNY. HIGH 33. HUMIDEX 34. UV INDEX 6 OR HIGH.  
 
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.  
TODAY..SUNNY. A MIX OF SUN AND CLOUD LATE THIS AFTERNOON WITH  
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM LATE THIS  
AFTERNOON. HIGH 31. HUMIDEX 33. UV INDEX 6 OR HIGH.  
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS  
EVENING WITH RISK OF A THUNDERSTORM. LOW 18.  
MONDAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE IN THE  
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 27. HUMIDEX 30. UV  
INDEX 5 OR MODERATE.  
 
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.  
TODAY..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS LATE THIS  
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 33. UV  
INDEX 5 OR MODERATE.  
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH  
RISK OF A THUNDERSTORM. LOW 17.  
MONDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE IN THE MORNING AND  
EARLY AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 25. HUMIDEX 28. UV  
INDEX 5 OR MODERATE.  
 
YELLOWKNIFE REGION.  
TODAY..SUNNY. HIGH 29. UV INDEX 5 OR MODERATE.  
TONIGHT..CLEAR. LOW 18.  
MONDAY..SUNNY. WIND BECOMING SOUTHEAST 20 KM/H IN THE AFTERNOON.  
HIGH 29. UV INDEX 5 OR MODERATE.  
 
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.  
TODAY..SUNNY. HIGH 32. UV INDEX 5 OR MODERATE.  
TONIGHT..CLEAR. LOW 18.  
MONDAY..MAINLY SUNNY. HIGH 31. HUMIDEX 32. UV INDEX 5 OR MODERATE.  
 
WRIGLEY REGION.  
TODAY..SUNNY. A MIX OF SUN AND CLOUD LATE THIS AFTERNOON WITH  
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM LATE THIS  
AFTERNOON. WIND BECOMING SOUTHEAST 20 KM/H NEAR NOON. HIGH 32.  
HUMIDEX 34. UV INDEX 6 OR HIGH.  
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS  
EVENING WITH RISK OF A THUNDERSTORM. WIND SOUTHEAST 20 KM/H BECOMING  
LIGHT THIS EVENING. LOW 20.  
MONDAY..BECOMING CLOUDY IN THE MORNING WITH 30 PERCENT CHANCE OF  
SHOWERS LATE IN THE MORNING. SHOWERS BEGINNING NEAR NOON. RISK OF A  
THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. AMOUNT 5 TO  
10 MM. HIGH 23. HUMIDEX 25. UV INDEX 2 OR LOW.  
 
NORMAN WELLS - TULITA REGION.  
TODAY..SUNNY. A MIX OF SUN AND CLOUD LATE THIS AFTERNOON WITH  
60 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM LATE THIS  
AFTERNOON. LOCAL SMOKE. HIGH 28. HUMIDEX 33. UV INDEX 5 OR MODERATE.  
TONIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. A  
FEW SHOWERS BEGINNING THIS EVENING. RISK OF A THUNDERSTORM THIS  
EVENING AND OVERNIGHT. AMOUNT 5 TO 10 MM. LOCAL SMOKE. WIND WEST  
20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 15.  
MONDAY..RAIN. RISK OF A THUNDERSTORM EARLY IN THE MORNING. AMOUNT 10  
TO 20 MM. LOCAL SMOKE. WIND BECOMING WEST 20 KM/H IN THE AFTERNOON.  
TEMPERATURE FALLING TO 12 IN THE MORNING THEN RISING. UV INDEX 1 OR  
LOW.  
 
FORT GOOD HOPE REGION.  
TODAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS LATE THIS  
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H BECOMING  
LIGHT THIS MORNING. HIGH 27. HUMIDEX 32. UV INDEX 5 OR MODERATE.  
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A  
THUNDERSTORM THIS EVENING. WIND WEST 20 KM/H BECOMING LIGHT NEAR  
MIDNIGHT. LOW 14.  
MONDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY IN THE MORNING.  
WIND BECOMING WEST 20 KM/H IN THE AFTERNOON. HIGH 21. UV INDEX 2 OR  
LOW.  
 
DELINE.  
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS EARLY  
THIS MORNING AND LATE THIS AFTERNOON. RISK OF A THUNDERSTORM LATE  
THIS AFTERNOON. HIGH 24. HUMIDEX 27. UV INDEX 5 OR MODERATE.  
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING  
WITH RISK OF A THUNDERSTORM. LOW 13.  
MONDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. 40 PERCENT CHANCE  
OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 18. UV  
INDEX 5 OR MODERATE.  
 
COLVILLE LAKE.  
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS  
MORNING AND RISK OF A THUNDERSTORM. CLEARING THIS MORNING. HIGH 25.  
HUMIDEX 28. UV INDEX 5 OR MODERATE.  
TONIGHT..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND  
RISK OF A THUNDERSTORM. LOW 15.  
MONDAY..PERIODS OF RAIN. AMOUNT 5 MM. HIGH 18. UV INDEX 2 OR LOW.  
 
END  
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