484
FPCN51 CWNT 291625
EXTENDED FORECASTS FROM WEDNESDAY NIGHT 30 SEPTEMBER TO MONDAY 5
OCTOBER FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 10:30 A.M. MDT
TUESDAY 29 SEPTEMBER 2026.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 3:30 P.M. MDT.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
WEDNESDAY NIGHT..CLOUDY. LOW ZERO.
THURSDAY..SUNNY. HIGH 10.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 8.
FRIDAY NIGHT..INCREASING CLOUDINESS. LOW PLUS 1.
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 8.
SATURDAY NIGHT..CLOUDY PERIODS. LOW ZERO.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 9.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 13.
NORMALS FOR THE PERIOD..LOW ZERO. HIGH 9.
LUTSEL K'E REGION.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 3.
THURSDAY..CLOUDY. HIGH 6.
THURSDAY NIGHT..CLOUDY. LOW ZERO.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 4.
FRIDAY NIGHT..CLOUDY. LOW ZERO.
SATURDAY..CLOUDY. HIGH PLUS 4.
SATURDAY NIGHT..CLOUDY. LOW MINUS 1.
SUNDAY..CLOUDY. HIGH PLUS 4.
SUNDAY NIGHT..CLOUDY. LOW PLUS 2.
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 7.
NORMALS FOR THE PERIOD..LOW MINUS 1. HIGH PLUS 5.
FT. RESOLUTION REGION INCLUDING HWY. 6.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 8.
THURSDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW PLUS 2.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 7.
FRIDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 1.
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 8.
SATURDAY NIGHT..CLOUDY PERIODS. LOW MINUS 1.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 8.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 11.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 8.
HAY RIVER REGION INCLUDING ENTERPRISE.
WEDNESDAY NIGHT..CLEAR. LOW MINUS 1.
THURSDAY..SUNNY. HIGH 10.
THURSDAY NIGHT..CLOUDY PERIODS. LOW MINUS 1.
FRIDAY..SUNNY. HIGH 8.
FRIDAY NIGHT..CLOUDY PERIODS WITH 60 PERCENT CHANCE OF SHOWERS. LOW
PLUS 1.
SATURDAY..CLOUDY. HIGH 7.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 9.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 12.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 9.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW MINUS 2.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 10.
THURSDAY NIGHT..CLOUDY PERIODS. LOW MINUS 2.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 7.
FRIDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW MINUS 1.
SATURDAY..CLOUDY. HIGH 8.
SATURDAY NIGHT..CLOUDY PERIODS. LOW ZERO.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 9.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 11.
NORMALS FOR THE PERIOD..LOW ZERO. HIGH 8.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
WEDNESDAY NIGHT..CLEAR. LOW MINUS 2.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 8.
THURSDAY NIGHT..CLOUDY PERIODS. LOW MINUS 3.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 7.
FRIDAY NIGHT..CLOUDY. LOW MINUS 2.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 7.
SATURDAY NIGHT..CLOUDY PERIODS. LOW ZERO.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 7.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 9.
NORMALS FOR THE PERIOD..LOW MINUS 1. HIGH 8.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
WEDNESDAY NIGHT..CLEAR. LOW MINUS 1.
THURSDAY..SUNNY. HIGH 14.
THURSDAY NIGHT..CLEAR. LOW MINUS 1.
FRIDAY..SUNNY. HIGH 13.
FRIDAY NIGHT..CLEAR. LOW MINUS 2.
SATURDAY..SUNNY. HIGH 9.
SATURDAY NIGHT..CLOUDY. LOW PLUS 2.
SUNDAY..CLOUDY. HIGH 12.
SUNDAY NIGHT..CLOUDY. LOW PLUS 3.
MONDAY..CLOUDY. HIGH 12.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 11.
YELLOWKNIFE REGION.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
THURSDAY..CLOUDY. HIGH 7.
THURSDAY NIGHT..CLOUDY. LOW ZERO.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 6.
FRIDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. LOW MINUS 1.
SATURDAY..CLEARING. HIGH PLUS 4.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
SUNDAY..CLOUDY. HIGH 6.
SUNDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW PLUS 4.
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 8.
NORMALS FOR THE PERIOD..LOW ZERO. HIGH 6.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
WEDNESDAY NIGHT..CLOUDY. LOW MINUS 1.
THURSDAY..CLOUDY. HIGH 6.
THURSDAY NIGHT..CLOUDY. LOW ZERO.
FRIDAY..CLOUDY. HIGH PLUS 4.
FRIDAY NIGHT..CLOUDY. LOW MINUS 1.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 5.
SATURDAY NIGHT..CLOUDY. LOW ZERO.
SUNDAY..CLOUDY. HIGH 7.
SUNDAY NIGHT..CLOUDY. LOW PLUS 2.
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 8.
NORMALS FOR THE PERIOD..LOW MINUS 1. HIGH 6.
WRIGLEY REGION.
WEDNESDAY NIGHT..CLEAR. LOW MINUS 3.
THURSDAY..CLOUDY. HIGH 6.
THURSDAY NIGHT..CLOUDY. LOW PLUS 1.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 7.
FRIDAY NIGHT..CLOUDY. LOW PLUS 1.
SATURDAY..CLOUDY. HIGH 6.
SATURDAY NIGHT..CLOUDY. LOW ZERO.
SUNDAY..CLOUDY. HIGH 7.
SUNDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW PLUS 2.
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 8.
NORMALS FOR THE PERIOD..LOW MINUS 1. HIGH 7.
NORMAN WELLS - TULITA REGION.
WEDNESDAY NIGHT..CLEAR. LOW MINUS 4.
THURSDAY..CLOUDY. HIGH PLUS 4.
THURSDAY NIGHT..CLOUDY. LOW MINUS 1.
FRIDAY..CLOUDY. HIGH PLUS 5.
FRIDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW ZERO.
SATURDAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF FLURRIES.
HIGH PLUS 4.
SATURDAY NIGHT..CLOUDY PERIODS. LOW MINUS 2.
SUNDAY..CLOUDY. HIGH PLUS 5.
SUNDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF RAIN SHOWERS OR
FLURRIES. LOW ZERO.
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES OR RAIN SHOWERS.
HIGH PLUS 4.
NORMALS FOR THE PERIOD..LOW MINUS 3. HIGH PLUS 5.
FORT GOOD HOPE REGION.
WEDNESDAY NIGHT..CLEAR. LOW MINUS 6.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 3.
THURSDAY NIGHT..CLOUDY. LOW MINUS 2.
FRIDAY..CLOUDY. HIGH PLUS 2.
FRIDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF RAIN SHOWERS OR
FLURRIES. LOW MINUS 3.
SATURDAY..CLOUDY. HIGH PLUS 1.
SATURDAY NIGHT..CLOUDY. LOW MINUS 2.
SUNDAY..CLOUDY. HIGH PLUS 2.
SUNDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF RAIN SHOWERS OR
FLURRIES. LOW MINUS 1.
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. HIGH PLUS 3.
NORMALS FOR THE PERIOD..LOW MINUS 3. HIGH PLUS 4.
DELINE.
WEDNESDAY NIGHT..CLEARING. LOW MINUS 3.
THURSDAY..INCREASING CLOUDINESS. HIGH PLUS 4.
THURSDAY NIGHT..CLOUDY. LOW MINUS 1.
FRIDAY..CLOUDY. HIGH PLUS 3.
FRIDAY NIGHT..CLOUDY. LOW MINUS 4.
SATURDAY..CLOUDY. HIGH PLUS 3.
SATURDAY NIGHT..CLOUDY. LOW ZERO.
SUNDAY..CLOUDY. HIGH PLUS 4.
SUNDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF RAIN SHOWERS OR
FLURRIES. LOW PLUS 1.
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES OR RAIN SHOWERS.
HIGH PLUS 5.
NORMALS FOR THE PERIOD..LOW MINUS 2. HIGH PLUS 4.
COLVILLE LAKE.
WEDNESDAY NIGHT..CLEAR. LOW MINUS 5.
THURSDAY..SUNNY. HIGH PLUS 1.
THURSDAY NIGHT..CLOUDY PERIODS. LOW MINUS 7.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 1.
FRIDAY NIGHT..CLOUDY PERIODS. LOW MINUS 4.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH ZERO.
SATURDAY NIGHT..CLOUDY PERIODS. LOW MINUS 2.
SUNDAY..CLOUDY. HIGH PLUS 2.
SUNDAY NIGHT..CLOUDY. LOW MINUS 1.
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES OR RAIN SHOWERS.
HIGH PLUS 2.
NORMALS FOR THE PERIOD..LOW MINUS 3. HIGH PLUS 3.
END
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