FPCN51 CWNT 162124
EXTENDED FORECASTS FROM MONDAY 18 MAY TO FRIDAY 22 MAY FOR THE GREAT
SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES
ISSUED BY ENVIRONMENT CANADA AT 3:30 P.M. MDT SATURDAY 16 MAY 2026.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:30 A.M. MDT SUNDAY.

THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
MONDAY..SUNNY. HIGH 14.
MONDAY NIGHT..CLEAR. LOW PLUS 5.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 19.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 7.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 19.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 7.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 21.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 7.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 20.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 16.

LUTSEL K'E REGION.
MONDAY..SUNNY. HIGH 10.
MONDAY NIGHT..CLEAR. LOW PLUS 2.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 15.
TUESDAY NIGHT..CLOUDY PERIODS. LOW ZERO.
WEDNESDAY..SUNNY. HIGH 12.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 14.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 14.
NORMALS FOR THE PERIOD..LOW ZERO. HIGH 10.

FT. RESOLUTION REGION INCLUDING HWY. 6.
MONDAY..SUNNY. HIGH 15.
MONDAY NIGHT..CLOUDY PERIODS. LOW 7.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 18.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 6.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 17.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 17.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 13.

HAY RIVER REGION INCLUDING ENTERPRISE.
MONDAY..SUNNY. HIGH 19.
MONDAY NIGHT..CLOUDY PERIODS. LOW 7.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 17.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 6.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 15.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 7.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 16.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 6.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 16.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 12.

FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
MONDAY..SUNNY. HIGH 20.
MONDAY NIGHT..CLOUDY PERIODS. LOW 7.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 19.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 7.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 20.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 16.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 18.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 14.

FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
MONDAY..SUNNY. HIGH 22.
MONDAY NIGHT..CLOUDY PERIODS. LOW 8.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 19.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 9.
WEDNESDAY..SUNNY. HIGH 22.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 6.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 18.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 20.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 17.

FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
MONDAY..SUNNY. HIGH 22.
MONDAY NIGHT..CLOUDY PERIODS. LOW 7.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 21.
TUESDAY NIGHT..CLEAR. LOW 7.
WEDNESDAY..SUNNY. HIGH 22.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 18.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.

YELLOWKNIFE REGION.
MONDAY..SUNNY. HIGH 13.
MONDAY NIGHT..CLOUDY PERIODS. LOW 6.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 16.
TUESDAY NIGHT..CLEAR. LOW 7.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 17.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 7.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 15.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 6.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 15.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 12.

NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
MONDAY..INCREASING CLOUDINESS. HIGH 14.
MONDAY NIGHT..CLEARING. LOW 6.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 16.
TUESDAY NIGHT..CLEAR. LOW 6.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 15.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 14.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 15.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 12.

WRIGLEY REGION.
MONDAY..CLOUDY. HIGH 20.
MONDAY NIGHT..CLOUDY PERIODS. LOW 6.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 20.
TUESDAY NIGHT..CLOUDY PERIODS. LOW 7.
WEDNESDAY..SUNNY. HIGH 21.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 14.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 15.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 15.

NORMAN WELLS - TULITA REGION.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 19.
MONDAY NIGHT..CLEAR. LOW 6.
TUESDAY..A MIX OF SUN AND CLOUD. HIGH 13.
TUESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
WEDNESDAY..SUNNY. HIGH 18.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 6.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 14.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 16.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 14.

FORT GOOD HOPE REGION.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 21.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
TUESDAY..CLOUDY. HIGH 10.
TUESDAY NIGHT..CLEARING. LOW PLUS 5.
WEDNESDAY..SUNNY. HIGH 18.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 10.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 9.
NORMALS FOR THE PERIOD..LOW ZERO. HIGH 11.

DELINE.
MONDAY..SUNNY. HIGH 15.
MONDAY NIGHT..CLEAR. LOW PLUS 3.
TUESDAY..SUNNY. HIGH 16.
TUESDAY NIGHT..CLEAR. LOW PLUS 1.
WEDNESDAY..SUNNY. HIGH 12.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 11.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 2.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 11.
NORMALS FOR THE PERIOD..LOW ZERO. HIGH 11.

COLVILLE LAKE.
MONDAY..SUNNY. HIGH 11.
MONDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
TUESDAY..CLOUDY. HIGH 7.
TUESDAY NIGHT..CLOUDY. LOW ZERO.
WEDNESDAY..SUNNY. HIGH 11.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 6.
THURSDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 7.
NORMALS FOR THE PERIOD..LOW MINUS 2. HIGH 8.

END