FPCN51 CWNT 191024
EXTENDED FORECASTS FROM WEDNESDAY NIGHT 20 MAY TO MONDAY 25 MAY FOR
THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST
TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:30 A.M. MDT TUESDAY 19
MAY 2026.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 10:30 A.M. MDT.

THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 6.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 19.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 9.
FRIDAY..CLOUDY. HIGH 18.
FRIDAY NIGHT..CLEARING. LOW 9.
SATURDAY..SUNNY. HIGH 21.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 8.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 17.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 7.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 21.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 17.

LUTSEL K'E REGION.
WEDNESDAY NIGHT..CLOUDY. LOW PLUS 2.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 12.
THURSDAY NIGHT..CLOUDY. LOW PLUS 5.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 15.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.
SATURDAY..SUNNY. HIGH 17.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 7.
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
 HIGH 15.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 16.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 11.

FT. RESOLUTION REGION INCLUDING HWY. 6.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 5.
THURSDAY..INCREASING CLOUDINESS. HIGH 16.
THURSDAY NIGHT..CLOUDY. LOW 9.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 18.
FRIDAY NIGHT..CLEAR. LOW 8.
SATURDAY..SUNNY. HIGH 19.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 7.
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
 HIGH 17.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 6.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 17.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 14.

HAY RIVER REGION INCLUDING ENTERPRISE.
WEDNESDAY NIGHT..CLEAR. LOW 6.
THURSDAY..INCREASING CLOUDINESS. HIGH 16.
THURSDAY NIGHT..CLOUDY. LOW 8.
FRIDAY..CLEARING. HIGH 18.
FRIDAY NIGHT..CLEAR. LOW 9.
SATURDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 15.
SATURDAY NIGHT..CLOUDY. LOW 7.
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 17.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 6.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 14.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 13.

FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
WEDNESDAY NIGHT..CLEAR. LOW 7.
THURSDAY..CLOUDY. HIGH 17.
THURSDAY NIGHT..CLEAR. LOW 6.
FRIDAY..SUNNY. HIGH 21.
FRIDAY NIGHT..INCREASING CLOUDINESS. LOW 7.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 17.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 16.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 15.

FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
WEDNESDAY NIGHT..INCREASING CLOUDINESS. LOW 12.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 21.
THURSDAY NIGHT..CLEAR. LOW 8.
FRIDAY..SUNNY. HIGH 21.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 8.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 16.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 15.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.

FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 11.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 23.
THURSDAY NIGHT..CLEAR. LOW 7.
FRIDAY..SUNNY. HIGH 21.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 8.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 19.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
 HIGH 16.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 16.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 18.

YELLOWKNIFE REGION.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 5.
THURSDAY..INCREASING CLOUDINESS. HIGH 14.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 8.
FRIDAY..SUNNY. HIGH 16.
FRIDAY NIGHT..CLEAR. LOW 8.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 7.
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 14.
SUNDAY NIGHT..CLOUDY PERIODS. LOW 6.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 15.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 13.

NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
WEDNESDAY NIGHT..CLEAR. LOW 6.
THURSDAY..CLOUDY. HIGH 15.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
FRIDAY..SUNNY. HIGH 16.
FRIDAY NIGHT..CLEAR. LOW 6.
SATURDAY..CLOUDY. HIGH 16.
SATURDAY NIGHT..CLOUDY. LOW PLUS 5.
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 14.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 14.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 13.

WRIGLEY REGION.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 10.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 19.
THURSDAY NIGHT..CLEAR. LOW PLUS 5.
FRIDAY..SUNNY. HIGH 20.
FRIDAY NIGHT..CLEARING. LOW 7.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 13.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 13.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 16.

NORMAN WELLS - TULITA REGION.
WEDNESDAY NIGHT..INCREASING CLOUDINESS. LOW 7.
THURSDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 15.
THURSDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 7.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 16.
FRIDAY NIGHT..CLOUDY. LOW 6.
SATURDAY..RAIN. HIGH 13.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 12.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 12.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 15.

FORT GOOD HOPE REGION.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 8.
THURSDAY..RAIN. HIGH 12.
THURSDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 6.
FRIDAY..CLOUDY. HIGH 14.
FRIDAY NIGHT..CLOUDY. LOW 6.
SATURDAY..PERIODS OF RAIN. HIGH 11.
SATURDAY NIGHT..CLOUDY PERIODS. LOW ZERO.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 8.
SUNDAY NIGHT..CLOUDY PERIODS. LOW ZERO.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 9.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 12.

DELINE.
WEDNESDAY NIGHT..INCREASING CLOUDINESS. LOW 6.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 16.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 14.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SATURDAY..CLOUDY. HIGH 14.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 10.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 10.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 12.

COLVILLE LAKE.
WEDNESDAY NIGHT..INCREASING CLOUDINESS. LOW PLUS 4.
THURSDAY..RAIN. HIGH 8.
THURSDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 3.
FRIDAY..CLOUDY. HIGH 11.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 10.
SATURDAY NIGHT..CLOUDY PERIODS. LOW ZERO.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 7.
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 1.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 7.
NORMALS FOR THE PERIOD..LOW MINUS 1. HIGH 9.

END