620
FPCN11 CWNT 011630
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 1 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..A MIX OF SUN AND CLOUD. BECOMING SUNNY THIS AFTERNOON. WIND
SOUTHEAST 20 KM/H. HIGH 25. HUMIDEX 28. UV INDEX 3 OR MODERATE.
TONIGHT..A FEW CLOUDS. WIND SOUTHEAST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 14.
WEDNESDAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHEAST 20 KM/H IN
THE MORNING. HIGH 26. HUMIDEX 29. UV INDEX 3 OR MODERATE.
LUTSEL K'E REGION.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 21. UV INDEX 3 OR
MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. LOW 16.
WEDNESDAY..MAINLY SUNNY. WIND BECOMING SOUTH 20 KM/H IN THE MORNING.
HIGH 24. HUMIDEX 27. UV INDEX 3 OR MODERATE.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..A MIX OF SUN AND CLOUD. WIND SOUTHEAST 20 KM/H. HIGH 23.
HUMIDEX 26. UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. WIND SOUTHEAST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 13.
WEDNESDAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHEAST 20 KM/H IN
THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 3 OR MODERATE.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..MAINLY SUNNY. WIND BECOMING SOUTH 20 KM/H THIS AFTERNOON.
HIGH 24. HUMIDEX 26. UV INDEX 3 OR MODERATE.
TONIGHT..A FEW CLOUDS. WIND SOUTH 20 KM/H BECOMING LIGHT NEAR
MIDNIGHT. LOW 12.
WEDNESDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY LATE IN THE
MORNING. WIND BECOMING SOUTHEAST 20 KM/H NEAR NOON. HIGH 24. HUMIDEX
26. UV INDEX 2 OR LOW.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 23. HUMIDEX 25. UV INDEX 3 OR
MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT WITH
RISK OF A THUNDERSTORM. LOW 9.
WEDNESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. HIGH 22. UV INDEX 1 OR LOW.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS NEAR NOON WITH
RISK OF A THUNDERSTORM. LOCAL SMOKE. HIGH 20. UV INDEX 3 OR
MODERATE.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS BEFORE MORNING. LOCAL
SMOKE. WIND BECOMING NORTHWEST 20 KM/H THIS EVENING. LOW 10.
WEDNESDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK
OF A THUNDERSTORM. LOCAL SMOKE. WIND NORTHWEST 20 KM/H BECOMING
LIGHT IN THE MORNING. HIGH 17. UV INDEX 2 OR LOW.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS NEAR NOON
WITH RISK OF A THUNDERSTORM. HIGH 19. UV INDEX 3 OR MODERATE.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS NEAR MIDNIGHT THEN
30 PERCENT CHANCE OF SHOWERS OVERNIGHT. RISK OF A THUNDERSTORM
OVERNIGHT. WIND BECOMING NORTHEAST 20 KM/H NEAR MIDNIGHT. LOW 9.
WEDNESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
RISK OF A THUNDERSTORM IN THE MORNING. WIND NORTHEAST 20 KM/H.
HIGH 20. UV INDEX 3 OR MODERATE.
YELLOWKNIFE REGION.
TODAY..A MIX OF SUN AND CLOUD. WIND SOUTHEAST 30 KM/H. HIGH 20. UV
INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. WIND SOUTHEAST 30 KM/H BECOMING LIGHT
OVERNIGHT. LOW 12.
WEDNESDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE AFTERNOON.
WIND BECOMING SOUTHEAST 20 KM/H IN THE MORNING. HIGH 22. HUMIDEX 25.
UV INDEX 3 OR MODERATE.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..BECOMING CLOUDY THIS AFTERNOON WITH 30 PERCENT CHANCE OF
SHOWERS LATE THIS AFTERNOON. RISK OF A THUNDERSTORM LATE THIS
AFTERNOON. WIND SOUTHEAST 20 KM/H. HIGH 18. UV INDEX 3 OR MODERATE.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING
AND RISK OF A THUNDERSTORM. CLEARING AFTER MIDNIGHT. WIND SOUTHEAST
20 KM/H BECOMING LIGHT THIS EVENING. LOW 8.
WEDNESDAY..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 19. UV INDEX 2 OR LOW.
WRIGLEY REGION.
TODAY..SHOWERS. AMOUNT 5 TO 10 MM. HIGH 12. UV INDEX 1 OR LOW.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF DRIZZLE EARLY THIS
EVENING. LOW 7.
WEDNESDAY..CLOUDY. A FEW SHOWERS BEGINNING IN THE MORNING. AMOUNT 5
TO 10 MM. HIGH 13. UV INDEX 2 OR LOW.
NORMAN WELLS - TULITA REGION.
TODAY..CLOUDY. A FEW SHOWERS BEGINNING THIS AFTERNOON. FOG PATCHES
DISSIPATING NEAR NOON. HIGH 11. UV INDEX 2 OR LOW.
TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN CLOUDY. FOG PATCHES
DEVELOPING OVERNIGHT. LOW 7.
WEDNESDAY..MAINLY CLOUDY. FOG PATCHES DISSIPATING IN THE MORNING.
HIGH 15. UV INDEX 2 OR LOW.
FORT GOOD HOPE REGION.
TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING NEAR NOON.
HIGH 14. UV INDEX 2 OR LOW.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY THIS EVENING. FOG PATCHES
DEVELOPING OVERNIGHT. LOW PLUS 5.
WEDNESDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE
MORNING. HIGH 15. UV INDEX 2 OR LOW.
DELINE.
TODAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON WITH
RISK OF A THUNDERSTORM. HIGH 10. UV INDEX 1 OR LOW.
TONIGHT..A FEW SHOWERS ENDING OVERNIGHT THEN CLOUDY WITH 30 PERCENT
CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY THIS EVENING. AMOUNT
5 TO 10 MM. WIND BECOMING NORTHWEST 20 KM/H THIS EVENING. LOW 7.
WEDNESDAY..MAINLY CLOUDY. HIGH 13. UV INDEX 2 OR LOW.
COLVILLE LAKE.
TODAY..MAINLY CLOUDY. HIGH 12. UV INDEX 2 OR LOW.
TONIGHT..MAINLY CLOUDY. LOW 7.
WEDNESDAY..MAINLY CLOUDY. HIGH 11. UV INDEX 2 OR LOW.
END
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