FPCN51 CWNT 201625
EXTENDED FORECASTS FROM THURSDAY NIGHT 21 MAY TO TUESDAY 26 MAY FOR
THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST
TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 10:30 A.M. MDT WEDNESDAY
20 MAY 2026.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 3:30 P.M. MDT.

THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
THURSDAY NIGHT..CLOUDY. LOW 9.
FRIDAY..SUNNY. HIGH 22.
FRIDAY NIGHT..CLEAR. LOW 9.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 22.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 13.
SUNDAY..SHOWERS. HIGH 19.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 6.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 15.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 16.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.

LUTSEL K'E REGION.
THURSDAY NIGHT..CLOUDY. LOW 6.
FRIDAY..CLEARING. HIGH 15.
FRIDAY NIGHT..CLEAR. LOW PLUS 4.
SATURDAY..SUNNY. HIGH 16.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 6.
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
 HIGH 16.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 4.
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 12.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 12.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 11.

FT. RESOLUTION REGION INCLUDING HWY. 6.
THURSDAY NIGHT..CLEARING. LOW 8.
FRIDAY..SUNNY. HIGH 18.
FRIDAY NIGHT..CLEAR. LOW 9.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 10.
SUNDAY..SHOWERS. HIGH 16.
SUNDAY NIGHT..CLOUDY PERIODS WITH 60 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 5.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 14.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 15.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 14.

HAY RIVER REGION INCLUDING ENTERPRISE.
THURSDAY NIGHT..CLEARING. LOW 9.
FRIDAY..SUNNY. HIGH 19.
FRIDAY NIGHT..CLEAR. LOW 9.
SATURDAY..INCREASING CLOUDINESS. HIGH 17.
SATURDAY NIGHT..CLOUDY. LOW 8.
SUNDAY..SHOWERS. HIGH 10.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 5.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 10.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 13.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 13.

FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
THURSDAY NIGHT..CLEAR. LOW 7.
FRIDAY..SUNNY. HIGH 20.
FRIDAY NIGHT..CLEAR. LOW 7.
SATURDAY..INCREASING CLOUDINESS. HIGH 20.
SATURDAY NIGHT..PERIODS OF RAIN. LOW 6.
SUNDAY..RAIN. HIGH 11.
SUNDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 4.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 13.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 16.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 15.

FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
THURSDAY NIGHT..CLEAR. LOW 9.
FRIDAY..SUNNY. HIGH 20.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 8.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.
SATURDAY NIGHT..CLOUDY. LOW 7.
SUNDAY..SHOWERS. HIGH 12.
SUNDAY NIGHT..CLOUDY PERIODS WITH 40 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 3.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 14.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 18.

FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
THURSDAY NIGHT..CLEAR. LOW 10.
FRIDAY..SUNNY. HIGH 20.
FRIDAY NIGHT..CLEAR. LOW PLUS 5.
SATURDAY..INCREASING CLOUDINESS. HIGH 17.
SATURDAY NIGHT..SHOWERS. LOW 7.
SUNDAY..PERIODS OF RAIN. HIGH 16.
SUNDAY NIGHT..CLOUDY. LOW PLUS 4.
MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 14.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 17.
NORMALS FOR THE PERIOD..LOW PLUS 5. HIGH 18.

YELLOWKNIFE REGION.
THURSDAY NIGHT..CLOUDY. LOW 7.
FRIDAY..SUNNY. HIGH 17.
FRIDAY NIGHT..CLEAR. LOW PLUS 5.
SATURDAY..SUNNY. HIGH 16.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 9.
SUNDAY..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. HIGH 15.
SUNDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW PLUS 4.
MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 10.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 13.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 13.

NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
THURSDAY NIGHT..CLEARING. LOW 7.
FRIDAY..SUNNY. HIGH 16.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 13.
SATURDAY NIGHT..CLEAR. LOW PLUS 4.
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 12.
SUNDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 3.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 11.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 14.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 13.

WRIGLEY REGION.
THURSDAY NIGHT..CLEAR. LOW PLUS 5.
FRIDAY..INCREASING CLOUDINESS. HIGH 18.
FRIDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW PLUS 5.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 16.
SATURDAY NIGHT..CLEAR. LOW PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 15.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 12.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 14.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 16.

NORMAN WELLS - TULITA REGION.
THURSDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 7.
FRIDAY..CLOUDY. HIGH 14.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 15.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
SUNDAY..SUNNY. HIGH 14.
SUNDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 11.
MONDAY NIGHT..CLEAR. LOW PLUS 3.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 16.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 15.

FORT GOOD HOPE REGION.
THURSDAY NIGHT..PERIODS OF RAIN. LOW 6.
FRIDAY..CLOUDY. HIGH 12.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 16.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 15.
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 1.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 8.
MONDAY NIGHT..CLOUDY PERIODS. LOW ZERO.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 9.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 12.

DELINE.
THURSDAY NIGHT..CLEAR. LOW PLUS 4.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 12.
FRIDAY NIGHT..CLOUDY PERIODS. LOW ZERO.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 11.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 12.
SUNDAY NIGHT..CLOUDY PERIODS. LOW ZERO.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 9.
MONDAY NIGHT..CLOUDY PERIODS. LOW ZERO.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 12.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 13.

COLVILLE LAKE.
THURSDAY NIGHT..SHOWERS. LOW PLUS 3.
FRIDAY..CLOUDY. HIGH 7.
FRIDAY NIGHT..CLOUDY. LOW ZERO.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 10.
SATURDAY NIGHT..CLOUDY PERIODS. LOW ZERO.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 10.
SUNDAY NIGHT..CLOUDY PERIODS. LOW MINUS 2.
MONDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 5.
MONDAY NIGHT..CLOUDY PERIODS. LOW MINUS 2.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 8.
NORMALS FOR THE PERIOD..LOW ZERO. HIGH 9.

END