272
FPCN51 CWNT 012125
EXTENDED FORECASTS FROM THURSDAY 3 SEPTEMBER TO MONDAY 7 SEPTEMBER
FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST
TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 3:30 P.M. MDT TUESDAY 1
SEPTEMBER 2026.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:30 A.M. MDT
WEDNESDAY.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
THURSDAY..SUNNY. HIGH 25.
THURSDAY NIGHT..CLOUDY WITH 70 PERCENT CHANCE OF SHOWERS. LOW 11.
FRIDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 13.
FRIDAY NIGHT..CLEAR. LOW PLUS 4.
SATURDAY..SUNNY. HIGH 16.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 17.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 8.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 16.
LUTSEL K'E REGION.
THURSDAY..SUNNY. HIGH 23.
THURSDAY NIGHT..SHOWERS. LOW 10.
FRIDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.
HIGH 11.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 7.
SATURDAY..CLOUDY. HIGH 12.
SATURDAY NIGHT..CLOUDY. LOW PLUS 4.
SUNDAY..CLOUDY. HIGH 13.
SUNDAY NIGHT..CLOUDY. LOW 7.
MONDAY..CLOUDY. HIGH 15.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 13.
FT. RESOLUTION REGION INCLUDING HWY. 6.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 21.
THURSDAY NIGHT..PERIODS OF RAIN. LOW 9.
FRIDAY..CLEARING. HIGH 9.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 15.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 16.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 7.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW 6. HIGH 15.
HAY RIVER REGION INCLUDING ENTERPRISE.
THURSDAY..CLOUDY. HIGH 19.
THURSDAY NIGHT..RAIN. LOW 8.
FRIDAY..CLEARING. HIGH 13.
FRIDAY NIGHT..CLEAR. LOW PLUS 4.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 17.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 9.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW 6. HIGH 16.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
THURSDAY..CLOUDY. HIGH 17.
THURSDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW PLUS 3.
FRIDAY..SUNNY. HIGH 15.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 19.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 17.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 7.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW 6. HIGH 16.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
THURSDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 13.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
FRIDAY..SUNNY. HIGH 15.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 8.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 6.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 18.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 7.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 18.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
THURSDAY..SHOWERS. HIGH 15.
THURSDAY NIGHT..CLOUDY. LOW 6.
FRIDAY..SUNNY. HIGH 20.
FRIDAY NIGHT..CLEAR. LOW 6.
SATURDAY..SUNNY. HIGH 21.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 6.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 21.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 7.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 21.
NORMALS FOR THE PERIOD..LOW 6. HIGH 18.
YELLOWKNIFE REGION.
THURSDAY..SUNNY. HIGH 21.
THURSDAY NIGHT..PERIODS OF RAIN. WINDY. LOW 6.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 11.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
SATURDAY..CLOUDY. HIGH 13.
SATURDAY NIGHT..CLOUDY. LOW 7.
SUNDAY..CLOUDY. HIGH 15.
SUNDAY NIGHT..CLOUDY. LOW 9.
MONDAY..CLOUDY. HIGH 15.
NORMALS FOR THE PERIOD..LOW 7. HIGH 14.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
THURSDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 13.
THURSDAY NIGHT..CLOUDY PERIODS WITH 40 PERCENT CHANCE OF SHOWERS.
WINDY. LOW PLUS 4.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 10.
FRIDAY NIGHT..CLOUDY. LOW PLUS 5.
SATURDAY..CLOUDY. HIGH 13.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 15.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 7.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 16.
NORMALS FOR THE PERIOD..LOW 6. HIGH 15.
WRIGLEY REGION.
THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 10.
THURSDAY NIGHT..CLEAR. LOW ZERO.
FRIDAY..SUNNY. HIGH 15.
FRIDAY NIGHT..CLOUDY. LOW 7.
SATURDAY..CLOUDY. HIGH 14.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 6.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 17.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 7.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 17.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 16.
NORMAN WELLS - TULITA REGION.
THURSDAY..PERIODS OF RAIN. HIGH 12.
THURSDAY NIGHT..CLEAR. LOW PLUS 2.
FRIDAY..CLOUDY. HIGH 9.
FRIDAY NIGHT..CLOUDY. LOW PLUS 5.
SATURDAY..CLOUDY. HIGH 13.
SATURDAY NIGHT..CLOUDY. LOW 8.
SUNDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 14.
SUNDAY NIGHT..CLOUDY. LOW 7.
MONDAY..CLOUDY. HIGH 16.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 15.
FORT GOOD HOPE REGION.
THURSDAY..PERIODS OF RAIN. HIGH 10.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
FRIDAY..CLOUDY. HIGH 9.
FRIDAY NIGHT..CLOUDY. LOW PLUS 2.
SATURDAY..CLOUDY. HIGH 12.
SATURDAY NIGHT..CLOUDY. LOW 6.
SUNDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 12.
SUNDAY NIGHT..CLOUDY. LOW 6.
MONDAY..CLOUDY. HIGH 13.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 14.
DELINE.
THURSDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 7.
THURSDAY NIGHT..CLEARING. LOW MINUS 1.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 9.
FRIDAY NIGHT..CLOUDY. LOW PLUS 2.
SATURDAY..CLOUDY. HIGH 9.
SATURDAY NIGHT..CLOUDY. LOW 6.
SUNDAY..CLOUDY. HIGH 13.
SUNDAY NIGHT..CLOUDY. LOW 7.
MONDAY..CLOUDY. HIGH 14.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 14.
COLVILLE LAKE.
THURSDAY..SHOWERS. HIGH PLUS 5.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 7.
FRIDAY NIGHT..CLEAR. LOW MINUS 1.
SATURDAY..SUNNY. HIGH 9.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SUNDAY..CLOUDY. HIGH 10.
SUNDAY NIGHT..CLOUDY. LOW 6.
MONDAY..CLOUDY. HIGH 11.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 12.
END
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