987
FPCN11 CWNT 221630
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT
TUESDAY 22 SEPTEMBER 2026 FOR TODAY AND WEDNESDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. WIND BECOMING SOUTHEAST 20 KM/H THIS AFTERNOON.
HIGH 15. UV INDEX 2 OR LOW.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING AND RISK OF A THUNDERSTORM. CLEARING THIS EVENING. FOG
PATCHES DEVELOPING OVERNIGHT. WIND SOUTHEAST 20 KM/H BECOMING LIGHT
THIS EVENING. LOW PLUS 5.
WEDNESDAY..MAINLY SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON. FOG
PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H
GUSTING TO 40 IN THE AFTERNOON. HIGH 18. UV INDEX 2 OR LOW.
LUTSEL K'E REGION.
TODAY..MAINLY CLOUDY. HIGH 15. UV INDEX 1 OR LOW.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. FOG PATCHES
DEVELOPING OVERNIGHT. LOW PLUS 5.
WEDNESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.
FOG PATCHES DISSIPATING IN THE MORNING. HIGH 15. UV INDEX 1 OR LOW.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..MAINLY CLOUDY. HIGH 14. UV INDEX 1 OR LOW.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. FOG PATCHES
DEVELOPING OVERNIGHT. LOW PLUS 5.
WEDNESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. FOG
PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H
GUSTING TO 40 IN THE MORNING. HIGH 18. UV INDEX 2 OR LOW.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..CLEARING THIS AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H THIS
AFTERNOON. HIGH 18. UV INDEX 1 OR LOW.
TONIGHT..A FEW CLOUDS. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW PLUS 5.
WEDNESDAY..MAINLY SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON. WIND
BECOMING SOUTH 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 17. UV
INDEX 2 OR LOW.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 19. UV INDEX 2 OR LOW.
TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 3.
WEDNESDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. FOG PATCHES
DISSIPATING IN THE MORNING. HIGH 17. UV INDEX 1 OR LOW.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..MAINLY SUNNY. LOCAL SMOKE. HIGH 18. UV INDEX 1 OR LOW.
TONIGHT..PARTLY CLOUDY. LOCAL SMOKE. LOW PLUS 4.
WEDNESDAY..MAINLY CLOUDY. LOCAL SMOKE. HIGH 14. UV INDEX 1 OR LOW.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..A MIX OF SUN AND CLOUD. CLEARING LATE THIS AFTERNOON. HIGH 19.
UV INDEX 2 OR LOW.
TONIGHT..CLEAR. INCREASING CLOUDINESS OVERNIGHT. LOW PLUS 4.
WEDNESDAY..MAINLY CLOUDY. CLEARING EARLY IN THE AFTERNOON. WIND
BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 17. UV
INDEX 1 OR LOW.
YELLOWKNIFE REGION.
TODAY..MAINLY SUNNY. HIGH 14. UV INDEX 1 OR LOW.
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 4.
WEDNESDAY..SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON. FOG PATCHES
DISSIPATING IN THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H IN THE
MORNING. HIGH 14. UV INDEX 1 OR LOW.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..A MIX OF SUN AND CLOUD. HIGH 14. UV INDEX 1 OR LOW.
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 2.
WEDNESDAY..SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON. FOG PATCHES
DISSIPATING IN THE MORNING. HIGH 14. UV INDEX 1 OR LOW.
WRIGLEY REGION.
TODAY..MAINLY SUNNY. HIGH 15. UV INDEX 1 OR LOW.
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 1.
WEDNESDAY..SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON. FOG PATCHES
DISSIPATING IN THE MORNING. HIGH 12. UV INDEX 1 OR LOW.
NORMAN WELLS - TULITA REGION.
TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING NEAR NOON.
WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 10. UV INDEX 1 OR
LOW.
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. WIND WEST
20 KM/H BECOMING LIGHT THIS EVENING. LOW PLUS 2.
WEDNESDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE
MORNING. WIND BECOMING WEST 20 KM/H NEAR NOON. HIGH 8. UV INDEX 1 OR
LOW.
FORT GOOD HOPE REGION.
TODAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS NEAR NOON. HIGH 8.
UV INDEX 1 OR LOW.
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 2.
WEDNESDAY..MAINLY CLOUDY. CLEARING LATE IN THE AFTERNOON. FOG PATCHES
DISSIPATING IN THE MORNING. HIGH 9. UV INDEX 1 OR LOW.
DELINE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 12. UV INDEX 1 OR LOW.
TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 3.
WEDNESDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE
MORNING. HIGH 10. UV INDEX 1 OR LOW.
COLVILLE LAKE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 8. UV INDEX 1 OR LOW.
TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 2.
WEDNESDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE
MORNING. HIGH 8. UV INDEX 1 OR LOW.
END
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