520
FPCN51 CWNT 311025
EXTENDED FORECASTS FROM TUESDAY NIGHT 1 SEPTEMBER TO SUNDAY 6
SEPTEMBER FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:30 A.M. MDT
MONDAY 31 AUGUST 2026.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 10:30 A.M. MDT.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TUESDAY NIGHT..CLEAR. LOW 14.
WEDNESDAY..SUNNY. HIGH 26.
WEDNESDAY NIGHT..CLEAR. LOW 15.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 25.
THURSDAY NIGHT..SHOWERS. LOW 11.
FRIDAY..SHOWERS. HIGH 15.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 6.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 20.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 17.
LUTSEL K'E REGION.
TUESDAY NIGHT..CLEAR. LOW 15.
WEDNESDAY..SUNNY. HIGH 24.
WEDNESDAY NIGHT..CLEAR. LOW 17.
THURSDAY..SUNNY. HIGH 24.
THURSDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 12.
FRIDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS.
HIGH 15.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 14.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 15.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 14.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TUESDAY NIGHT..CLEAR. LOW 13.
WEDNESDAY..SUNNY. HIGH 25.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 16.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 23.
THURSDAY NIGHT..SHOWERS. WINDY. LOW 10.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 14.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 16.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 6.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW 6. HIGH 16.
HAY RIVER REGION INCLUDING ENTERPRISE.
TUESDAY NIGHT..CLEAR. LOW 11.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 24.
WEDNESDAY NIGHT..CLOUDY. LOW 15.
THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 19.
THURSDAY NIGHT..RAIN. WINDY. LOW 8.
FRIDAY..SUNNY. HIGH 13.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 8.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW 6. HIGH 16.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 12.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 24.
WEDNESDAY NIGHT..CLOUDY. LOW 13.
THURSDAY..SHOWERS. HIGH 18.
THURSDAY NIGHT..SHOWERS. LOW PLUS 4.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 16.
FRIDAY NIGHT..CLOUDY PERIODS. 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 19.
NORMALS FOR THE PERIOD..LOW 6. HIGH 17.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TUESDAY NIGHT..CLEAR. LOW 10.
WEDNESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 17.
WEDNESDAY NIGHT..SHOWERS. LOW 11.
THURSDAY..SHOWERS. HIGH 12.
THURSDAY NIGHT..CLEARING. LOW PLUS 1.
FRIDAY..SUNNY. HIGH 16.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 6.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 20.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 18.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TUESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 10.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 19.
WEDNESDAY NIGHT..SHOWERS. LOW 10.
THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 15.
THURSDAY NIGHT..CLEARING. LOW PLUS 4.
FRIDAY..SUNNY. HIGH 20.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 20.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 6.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 22.
NORMALS FOR THE PERIOD..LOW 6. HIGH 19.
YELLOWKNIFE REGION.
TUESDAY NIGHT..CLEAR. LOW 12.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 21.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 14.
THURSDAY..CLOUDY. HIGH 19.
THURSDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WINDY.
LOW 8.
FRIDAY..SUNNY. HIGH 13.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 14.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 7.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 16.
NORMALS FOR THE PERIOD..LOW 7. HIGH 14.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TUESDAY NIGHT..CLEAR. LOW 8.
WEDNESDAY..CLOUDY. HIGH 20.
WEDNESDAY NIGHT..CLOUDY. LOW 12.
THURSDAY..SHOWERS. HIGH 15.
THURSDAY NIGHT..CLOUDY. WINDY. LOW PLUS 4.
FRIDAY..SUNNY. HIGH 13.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 15.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 17.
NORMALS FOR THE PERIOD..LOW 6. HIGH 15.
WRIGLEY REGION.
TUESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 8.
WEDNESDAY..PERIODS OF RAIN. HIGH 14.
WEDNESDAY NIGHT..PERIODS OF RAIN. LOW 9.
THURSDAY..SHOWERS. HIGH 11.
THURSDAY NIGHT..CLEAR. LOW PLUS 2.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 16.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 16.
NORMAN WELLS - TULITA REGION.
TUESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 7.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 15.
WEDNESDAY NIGHT..SHOWERS. LOW 8.
THURSDAY..PERIODS OF RAIN. HIGH 12.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
FRIDAY..CLOUDY. HIGH 12.
FRIDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 5.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 15.
SATURDAY NIGHT..CLOUDY PERIODS WITH 40 PERCENT CHANCE OF SHOWERS.
LOW 8.
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 15.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 15.
FORT GOOD HOPE REGION.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 6.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 14.
WEDNESDAY NIGHT..RAIN. LOW 6.
THURSDAY..PERIODS OF RAIN. HIGH 10.
THURSDAY NIGHT..INCREASING CLOUDINESS. LOW PLUS 3.
FRIDAY..CLOUDY. HIGH 10.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 13.
SATURDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
HIGH 13.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 14.
DELINE.
TUESDAY NIGHT..PERIODS OF RAIN. LOW PLUS 5.
WEDNESDAY..CLOUDY. HIGH 12.
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW
PLUS 5.
THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WINDY. HIGH 8.
THURSDAY NIGHT..CLEAR. WINDY. LOW ZERO.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 13.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 14.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 6.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 15.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 15.
COLVILLE LAKE.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
WEDNESDAY..SUNNY. HIGH 13.
WEDNESDAY NIGHT..CLOUDY PERIODS WITH 40 PERCENT CHANCE OF SHOWERS.
LOW 6.
THURSDAY..SHOWERS. WINDY. HIGH 6.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
FRIDAY..CLOUDY. HIGH 7.
FRIDAY NIGHT..CLOUDY. LOW PLUS 3.
SATURDAY..CLOUDY. HIGH 11.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 11.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 12.
END
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