903
FPCN11 CWNT 081642
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT
TUESDAY 8 SEPTEMBER 2026 FOR TODAY AND WEDNESDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TODAY..SUNNY. HIGH 21. UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
EVENING AND OVERNIGHT WITH RISK OF A THUNDERSTORM. LOW 10.
WEDNESDAY..BECOMING CLOUDY IN THE MORNING. PERIODS OF RAIN BEGINNING
IN THE AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H NEAR NOON.
HIGH 19. UV INDEX 3 OR MODERATE.
LUTSEL K'E REGION.
TODAY..SUNNY. HIGH 15. UV INDEX 3 OR MODERATE.
TONIGHT..INCREASING CLOUDINESS. 60 PERCENT CHANCE OF SHOWERS
OVERNIGHT WITH RISK OF A THUNDERSTORM. LOW 12.
WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE MORNING WITH RISK OF A THUNDERSTORM. HIGH 19. UV INDEX 3 OR
MODERATE.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..A MIX OF SUN AND CLOUD. HIGH 21. UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE THIS
EVENING AND AFTER MIDNIGHT WITH RISK OF A THUNDERSTORM. WIND
SOUTHEAST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 11.
WEDNESDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY NEAR NOON WITH
30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. HIGH 18. UV
INDEX 3 OR MODERATE.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..A MIX OF SUN AND CLOUD. WIND SOUTH 20 KM/H. HIGH 24. HUMIDEX
27. UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. WIND SOUTH 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 10.
WEDNESDAY..BECOMING CLOUDY IN THE MORNING. 60 PERCENT CHANCE OF
SHOWERS LATE IN THE AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H NEAR
NOON. HIGH 19. UV INDEX 2 OR LOW.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 24. HUMIDEX 26. UV
INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. LOW 10.
WEDNESDAY..CLOUDY. HIGH 18. UV INDEX 2 OR LOW.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..A MIX OF SUN AND CLOUD. LOCAL SMOKE. HIGH 22. UV INDEX 3 OR
MODERATE.
TONIGHT..PARTLY CLOUDY. LOCAL SMOKE. LOW 11.
WEDNESDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. LOCAL SMOKE. HIGH 17. UV
INDEX 2 OR LOW.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..A MIX OF SUN AND CLOUD. WIND SOUTHWEST 20 KM/H GUSTING TO 40.
HIGH 23. UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 14.
WEDNESDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. WIND
BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 22. UV
INDEX 3 OR MODERATE.
YELLOWKNIFE REGION.
TODAY..A MIX OF SUN AND CLOUD. WIND SOUTHEAST 20 KM/H. HIGH 16. UV
INDEX 3 OR MODERATE.
TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING AND
AFTER MIDNIGHT. RISK OF A THUNDERSTORM THIS EVENING. WIND SOUTHEAST
20 KM/H BECOMING LIGHT OVERNIGHT. LOW 10.
WEDNESDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY NEAR NOON.
HIGH 15. UV INDEX 2 OR LOW.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND SOUTHEAST 20 KM/H.
HIGH 16. UV INDEX 3 OR MODERATE.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM THIS EVENING. WIND SOUTHEAST 20 KM/H. LOW 7.
WEDNESDAY..BECOMING CLOUDY IN THE MORNING. 30 PERCENT CHANCE OF
SHOWERS LATE IN THE AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE
AFTERNOON. HIGH 15. UV INDEX 2 OR LOW.
WRIGLEY REGION.
TODAY..A MIX OF SUN AND CLOUD. HIGH 21. UV INDEX 2 OR LOW.
TONIGHT..PARTLY CLOUDY. LOW 9.
WEDNESDAY..CLOUDY. PERIODS OF RAIN BEGINNING IN THE MORNING. HIGH 13.
NORMAN WELLS - TULITA REGION.
TODAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS NEAR NOON THEN A MIX
OF SUN AND CLOUD. HIGH 21. UV INDEX 2 OR LOW.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT.
LOW 9.
WEDNESDAY..PERIODS OF RAIN. WIND BECOMING WEST 20 KM/H IN THE
AFTERNOON. HIGH 13. UV INDEX 1 OR LOW.
FORT GOOD HOPE REGION.
TODAY..A MIX OF SUN AND CLOUD. HIGH 20. UV INDEX 2 OR LOW.
TONIGHT..BECOMING CLOUDY THIS EVENING WITH 30 PERCENT CHANCE OF
SHOWERS LATE THIS EVENING AND OVERNIGHT. LOW 10.
WEDNESDAY..SHOWERS. HIGH 14. UV INDEX 1 OR LOW.
DELINE.
TODAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY THIS AFTERNOON.
HIGH 12. UV INDEX 1 OR LOW.
TONIGHT..CLOUDY. BECOMING PARTLY CLOUDY THIS EVENING. LOW PLUS 5.
WEDNESDAY..OVERCAST. HIGH 11. UV INDEX 1 OR LOW.
COLVILLE LAKE.
TODAY..A FEW SHOWERS ENDING THIS AFTERNOON THEN CLOUDY. HIGH 13. UV
INDEX 1 OR LOW.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY OVERNIGHT. LOW 9.
WEDNESDAY..CLOUDY. HIGH 13. UV INDEX 1 OR LOW.
END
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