511
FPCN11 CWNT 032130
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT
THURSDAY 3 SEPTEMBER 2026 FOR TONIGHT FRIDAY AND FRIDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT FRIDAY.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TONIGHT..CLOUDY. A FEW SHOWERS BEGINNING THIS EVENING. RISK OF A
THUNDERSTORM LATE THIS EVENING AND AFTER MIDNIGHT. AMOUNT 5 TO
10 MM. LOW 11.
FRIDAY..A FEW SHOWERS ENDING IN THE MORNING THEN CLEARING. WIND
BECOMING NORTHWEST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 13. UV
INDEX 2 OR LOW.
FRIDAY NIGHT..INCREASING CLOUDINESS NEAR MIDNIGHT. WIND NORTHWEST
20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW PLUS 5.
LUTSEL K'E REGION.
TONIGHT..CLOUDY. A FEW SHOWERS BEGINNING THIS EVENING. RISK OF A
THUNDERSTORM LATE THIS EVENING AND AFTER MIDNIGHT. AMOUNT 5 TO
10 MM. LOW 12.
FRIDAY..A FEW SHOWERS ENDING EARLY IN THE MORNING THEN A MIX OF SUN
AND CLOUD. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 IN THE
MORNING. HIGH 14. UV INDEX 3 OR MODERATE.
FRIDAY NIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. WIND NORTHWEST
20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW 6.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. WIND NORTHWEST 20 KM/H. LOW 10.
FRIDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. WIND
NORTH 30 KM/H GUSTING TO 50. HIGH 13. UV INDEX 3 OR MODERATE.
FRIDAY NIGHT..MAINLY CLOUDY. WIND NORTH 30 KM/H GUSTING TO 50
BECOMING LIGHT IN THE EVENING. LOW 7.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. WIND NORTHWEST 20 KM/H. LOW 8.
FRIDAY..CLEARING IN THE MORNING. WIND NORTHWEST 30 KM/H GUSTING TO
50. HIGH 13. UV INDEX 3 OR MODERATE.
FRIDAY NIGHT..INCREASING CLOUDINESS IN THE EVENING. WIND NORTHWEST
30 KM/H GUSTING TO 50 BECOMING LIGHT IN THE EVENING. LOW 7.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING. WIND
BECOMING NORTHWEST 20 KM/H GUSTING TO 40 EARLY THIS EVENING. LOW 6.
FRIDAY..CLEARING IN THE MORNING. WIND NORTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT IN THE MORNING. HIGH 14. UV INDEX 3 OR MODERATE.
FRIDAY NIGHT..MAINLY CLOUDY. LOW PLUS 5.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING.
CLEARING THIS EVENING. WIND NORTH 30 KM/H. LOW PLUS 3.
FRIDAY..MAINLY SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON.
HIGH 15. UV INDEX 3 OR MODERATE.
FRIDAY NIGHT..MAINLY CLOUDY. LOW 7.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY THIS EVENING WITH 60 PERCENT
CHANCE OF SHOWERS OVERNIGHT. WIND NORTHEAST 20 KM/H BECOMING LIGHT
THIS EVENING. LOW 7.
FRIDAY..CLEARING NEAR NOON. HIGH 19. UV INDEX 3 OR MODERATE.
FRIDAY NIGHT..A FEW CLOUDS. LOW 6.
YELLOWKNIFE REGION.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. CLEARING THIS EVENING. WIND
NORTHWEST 30 KM/H GUSTING TO 50. LOW 7.
FRIDAY..A MIX OF SUN AND CLOUD. WIND NORTHWEST 30 KM/H GUSTING TO 50.
HIGH 13. UV INDEX 3 OR MODERATE.
FRIDAY NIGHT..INCREASING CLOUDINESS EARLY IN THE EVENING. WIND
NORTHWEST 30 KM/H GUSTING TO 50 BECOMING LIGHT IN THE EVENING.
LOW 7.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING. BECOMING
PARTLY CLOUDY OVERNIGHT. RISK OF A THUNDERSTORM EARLY THIS EVENING.
WIND NORTH 20 KM/H GUSTING TO 40. LOW PLUS 3.
FRIDAY..A MIX OF SUN AND CLOUD. WIND NORTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT IN THE AFTERNOON. HIGH 11. UV INDEX 3 OR MODERATE.
FRIDAY NIGHT..PARTLY CLOUDY. BECOMING CLOUDY IN THE EVENING. LOW
PLUS 4.
WRIGLEY REGION.
TONIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING.
CLEARING THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW ZERO.
FRIDAY..MAINLY SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON. FOG
PATCHES DISSIPATING IN THE MORNING. HIGH 12. UV INDEX 3 OR MODERATE.
FRIDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 7.
NORMAN WELLS - TULITA REGION.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY OVERNIGHT. WIND WEST 20 KM/H
GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW PLUS 4.
FRIDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 10. UV INDEX 1
OR LOW.
FRIDAY NIGHT..OVERCAST. LOW 6.
FORT GOOD HOPE REGION.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY OVERNIGHT. WIND WEST 20 KM/H
GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW PLUS 2.
FRIDAY..BECOMING CLOUDY IN THE MORNING WITH 30 PERCENT CHANCE OF
SHOWERS IN THE AFTERNOON. HIGH 8. UV INDEX 1 OR LOW.
FRIDAY NIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE EVENING.
LOW PLUS 3.
DELINE.
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT OVERNIGHT. LOW ZERO.
FRIDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE AFTERNOON.
WIND BECOMING NORTHWEST 20 KM/H IN THE AFTERNOON. HIGH 10. UV
INDEX 2 OR LOW.
FRIDAY NIGHT..OVERCAST. WIND NORTHWEST 20 KM/H BECOMING LIGHT IN THE
EVENING. LOW PLUS 3.
COLVILLE LAKE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. FOG PATCHES DEVELOPING OVERNIGHT. WIND NORTHWEST 20 KM/H
GUSTING TO 40 BECOMING LIGHT OVERNIGHT. LOW ZERO.
FRIDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 7.
UV INDEX 2 OR LOW.
FRIDAY NIGHT..PARTLY CLOUDY. CLEARING BEFORE MORNING. LOW MINUS 1.
END
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