FPCN51 CWNT 182125
EXTENDED FORECASTS FROM WEDNESDAY 20 MAY TO SUNDAY 24 MAY FOR THE
GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST
TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 3:30 P.M. MDT MONDAY 18
MAY 2026.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:30 A.M. MDT TUESDAY.

THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
WEDNESDAY..SUNNY. HIGH 19.
WEDNESDAY NIGHT..INCREASING CLOUDINESS. LOW 6.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 19.
THURSDAY NIGHT..CLOUDY. LOW 10.
FRIDAY..CLOUDY. HIGH 18.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 9.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 20.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 8.
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 18.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 16.

LUTSEL K'E REGION.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 9.
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 2.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 9.
THURSDAY NIGHT..CLOUDY. LOW PLUS 2.
FRIDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 13.
FRIDAY NIGHT..CLOUDY. LOW 6.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 16.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 7.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 15.
NORMALS FOR THE PERIOD..LOW ZERO. HIGH 11.

FT. RESOLUTION REGION INCLUDING HWY. 6.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 12.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
THURSDAY..SUNNY. HIGH 18.
THURSDAY NIGHT..CLOUDY. LOW 8.
FRIDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 16.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 7.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 18.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 7.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 17.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 13.

HAY RIVER REGION INCLUDING ENTERPRISE.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 13.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 5.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 18.
THURSDAY NIGHT..CLOUDY. LOW 9.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 17.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 7.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 7.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 16.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 13.

FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
WEDNESDAY..CLOUDY. HIGH 17.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 5.
THURSDAY..INCREASING CLOUDINESS. HIGH 18.
THURSDAY NIGHT..CLEARING. LOW PLUS 5.
FRIDAY..SUNNY. HIGH 19.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 6.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 17.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 14.

FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
WEDNESDAY..SUNNY. HIGH 21.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 10.
THURSDAY..CLOUDY. HIGH 20.
THURSDAY NIGHT..CLOUDY PERIODS. LOW 8.
FRIDAY..SUNNY. HIGH 20.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 19.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 19.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 17.

FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
WEDNESDAY..SUNNY. HIGH 23.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 10.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 20.
THURSDAY NIGHT..CLEAR. LOW 7.
FRIDAY..SUNNY. HIGH 19.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 17.
NORMALS FOR THE PERIOD..LOW PLUS 4. HIGH 18.

YELLOWKNIFE REGION.
WEDNESDAY..CLOUDY. HIGH 17.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW PLUS 4.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 15.
THURSDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. LOW 6.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 14.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 8.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 17.
SATURDAY NIGHT..CLOUDY PERIODS. LOW 7.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 15.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 12.

NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
WEDNESDAY..SUNNY. HIGH 15.
WEDNESDAY NIGHT..CLEAR. LOW PLUS 3.
THURSDAY..CLOUDY. HIGH 15.
THURSDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 7.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 14.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 15.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 15.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 12.

WRIGLEY REGION.
WEDNESDAY..SUNNY. HIGH 21.
WEDNESDAY NIGHT..INCREASING CLOUDINESS. LOW 10.
THURSDAY..CLOUDY. HIGH 19.
THURSDAY NIGHT..CLEAR. LOW PLUS 5.
FRIDAY..INCREASING CLOUDINESS. HIGH 18.
FRIDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 4.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 14.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 14.
NORMALS FOR THE PERIOD..LOW PLUS 3. HIGH 15.

NORMAN WELLS - TULITA REGION.
WEDNESDAY..SUNNY. HIGH 20.
WEDNESDAY NIGHT..INCREASING CLOUDINESS. LOW 8.
THURSDAY..A MIX OF SUN AND CLOUD. HIGH 16.
THURSDAY NIGHT..CLOUDY PERIODS WITH 30 PERCENT CHANCE OF SHOWERS. LOW
 PLUS 4.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 15.
FRIDAY NIGHT..CLOUDY PERIODS. LOW 6.
SATURDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
 HIGH 12.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 13.
NORMALS FOR THE PERIOD..LOW PLUS 2. HIGH 14.

FORT GOOD HOPE REGION.
WEDNESDAY..SUNNY. HIGH 22.
WEDNESDAY NIGHT..CLOUDY PERIODS. LOW 8.
THURSDAY..SHOWERS. HIGH 14.
THURSDAY NIGHT..CLOUDY. LOW PLUS 4.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 16.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 9.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 1.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 9.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 12.

DELINE.
WEDNESDAY..SUNNY. HIGH 11.
WEDNESDAY NIGHT..CLEAR. LOW 6.
THURSDAY..CLOUDY. HIGH 14.
THURSDAY NIGHT..CLEAR. LOW PLUS 5.
FRIDAY..SUNNY. HIGH 14.
FRIDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
SATURDAY..A MIX OF SUN AND CLOUD. HIGH 11.
SATURDAY NIGHT..CLOUDY PERIODS. LOW PLUS 3.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 11.
NORMALS FOR THE PERIOD..LOW PLUS 1. HIGH 12.

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

END