393
FPCN11 CWNT 072130
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT
MONDAY 7 SEPTEMBER 2026 FOR TONIGHT TUESDAY AND TUESDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT TUESDAY.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TONIGHT..PARTLY CLOUDY. CLEARING BEFORE MORNING. FOG PATCHES
DEVELOPING OVERNIGHT. LOW 7.
TUESDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING.
HIGH 20. UV INDEX 3 OR MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE IN
THE EVENING AND OVERNIGHT WITH RISK OF A THUNDERSTORM. LOW 12.
LUTSEL K'E REGION.
TONIGHT..CLOUDY. BECOMING PARTLY CLOUDY THIS EVENING. FOG PATCHES
DEVELOPING OVERNIGHT. LOW 11.
TUESDAY..A MIX OF SUN AND CLOUD. CLEARING EARLY IN THE AFTERNOON. FOG
PATCHES DISSIPATING IN THE MORNING. HIGH 14. UV INDEX 3 OR MODERATE.
TUESDAY NIGHT..INCREASING CLOUDINESS. 60 PERCENT CHANCE OF SHOWERS
OVERNIGHT WITH RISK OF A THUNDERSTORM. LOW 12.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..CLEARING. FOG PATCHES DEVELOPING OVERNIGHT. LOW 7.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. FOG
PATCHES DISSIPATING IN THE MORNING. HIGH 20. UV INDEX 3 OR MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING WITH RISK OF A THUNDERSTORM. LOW 10.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 6.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. FOG
PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTH 20 KM/H NEAR
NOON. HIGH 22. UV INDEX 3 OR MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING WITH RISK OF A THUNDERSTORM. WIND SOUTH 20 KM/H BECOMING
LIGHT IN THE EVENING. LOW 11.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..A FEW CLOUDS. LOW 8.
TUESDAY..CLEAR EARLY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH
30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. RISK OF A
THUNDERSTORM LATE IN THE AFTERNOON. HIGH 23. UV INDEX 3 OR MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING WITH RISK OF A THUNDERSTORM. LOW 9.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY THIS EVENING. LOCAL SMOKE.
LOW 9.
TUESDAY..A MIX OF SUN AND CLOUD. LOCAL SMOKE. HIGH 20. UV INDEX 3 OR
MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. BECOMING CLOUDY OVERNIGHT. LOCAL SMOKE.
LOW 12.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..A FEW CLOUDS. LOW 9.
TUESDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR
NOON. HIGH 24. UV INDEX 3 OR MODERATE.
TUESDAY NIGHT..A FEW CLOUDS. INCREASING CLOUDINESS OVERNIGHT. WIND
SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING.
LOW 14.
YELLOWKNIFE REGION.
TONIGHT..A FEW CLOUDS. LOW 7.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. WIND
BECOMING SOUTHEAST 20 KM/H NEAR NOON. HIGH 17. UV INDEX 3 OR
MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING AND AFTER MIDNIGHT. RISK OF A THUNDERSTORM IN THE EVENING.
WIND SOUTHEAST 20 KM/H. LOW 11.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW
PLUS 4.
TUESDAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHEAST 20 KM/H NEAR
NOON. HIGH 16. UV INDEX 3 OR MODERATE.
TUESDAY NIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK
OF A THUNDERSTORM IN THE EVENING. WIND SOUTHEAST 20 KM/H. LOW 7.
WRIGLEY REGION.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY THIS EVENING. FOG PATCHES
DEVELOPING OVERNIGHT. LOW 8.
TUESDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING LATE IN THE
MORNING. HIGH 20. UV INDEX 2 OR LOW.
TUESDAY NIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT
THEN 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOW 9.
NORMAN WELLS - TULITA REGION.
TONIGHT..MAINLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW 9.
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE MORNING THEN
A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING LATE IN THE MORNING.
HIGH 18. UV INDEX 2 OR LOW.
TUESDAY NIGHT..BECOMING CLOUDY LATE IN THE EVENING WITH 30 PERCENT
CHANCE OF SHOWERS LATE IN THE EVENING AND OVERNIGHT. LOW 10.
FORT GOOD HOPE REGION.
TONIGHT..MAINLY CLOUDY. A FEW SHOWERS BEGINNING OVERNIGHT. LOW 8.
TUESDAY..A FEW SHOWERS ENDING IN THE MORNING THEN A MIX OF SUN AND
CLOUD. HIGH 19. UV INDEX 2 OR LOW.
TUESDAY NIGHT..BECOMING CLOUDY IN THE EVENING WITH 30 PERCENT CHANCE
OF SHOWERS LATE IN THE EVENING AND OVERNIGHT. LOW 10.
DELINE.
TONIGHT..PARTLY CLOUDY. LOW 8.
TUESDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND
SOUTHEAST 20 KM/H BECOMING LIGHT NEAR NOON. HIGH 12. UV INDEX 2 OR
LOW.
TUESDAY NIGHT..PARTLY CLOUDY. BECOMING CLOUDY OVERNIGHT. LOW 7.
COLVILLE LAKE.
TONIGHT..MAINLY CLOUDY. LOW 7.
TUESDAY..A FEW SHOWERS ENDING LATE IN THE AFTERNOON THEN CLOUDY. WIND
SOUTHEAST 20 KM/H BECOMING LIGHT NEAR NOON. HIGH 15. UV INDEX 1 OR
LOW.
TUESDAY NIGHT..PARTLY CLOUDY. BECOMING CLOUDY OVERNIGHT. LOW 9.
END
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