280
FPCN11 CWNT 222130
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT
TUESDAY 22 SEPTEMBER 2026 FOR TONIGHT WEDNESDAY AND WEDNESDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT
WEDNESDAY.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TONIGHT..A FEW SHOWERS ENDING EARLY THIS EVENING THEN CLEARING. RISK
OF A THUNDERSTORM EARLY 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 SOUTH 20 KM/H IN
THE AFTERNOON. HIGH 18. UV INDEX 2 OR LOW.
WEDNESDAY NIGHT..CLEARING LATE IN THE EVENING. WIND SOUTH 20 KM/H
BECOMING LIGHT IN THE EVENING. LOW PLUS 5.
LUTSEL K'E REGION.
TONIGHT..CLEARING LATE THIS EVENING. FOG PATCHES DEVELOPING
OVERNIGHT. LOW PLUS 5.
WEDNESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. FOG
PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTH 20 KM/H LATE
IN THE AFTERNOON. HIGH 15. UV INDEX 1 OR LOW.
WEDNESDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS.
RISK OF A THUNDERSTORM IN THE EVENING. WIND SOUTH 20 KM/H BECOMING
LIGHT OVERNIGHT. LOW 9.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..CLEARING 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
LATE IN THE MORNING. HIGH 18. UV INDEX 2 OR LOW.
WEDNESDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN
THE EVENING AND RISK OF A THUNDERSTORM. CLEARING NEAR MIDNIGHT. WIND
SOUTHEAST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 7.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..CLEARING THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT.
LOW 6.
WEDNESDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE
MORNING. WIND BECOMING SOUTH 20 KM/H IN THE MORNING. HIGH 18. UV
INDEX 2 OR LOW.
WEDNESDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS
EARLY IN THE EVENING THEN CLEAR. RISK OF A THUNDERSTORM EARLY IN THE
EVENING. WIND SOUTHWEST 20 KM/H. LOW PLUS 5.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. FOG PATCHES
DEVELOPING OVERNIGHT. LOW PLUS 3.
WEDNESDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE
MORNING. WIND BECOMING SOUTHEAST 20 KM/H NEAR NOON. HIGH 20. UV
INDEX 2 OR LOW.
WEDNESDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS.
RISK OF A THUNDERSTORM IN THE EVENING. WIND SOUTHEAST 20 KM/H
BECOMING LIGHT IN THE EVENING. LOW 6.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS BEFORE MORNING. LOCAL
SMOKE THIS EVENING. LOW PLUS 4.
WEDNESDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 13. UV INDEX 1 OR LOW.
WEDNESDAY NIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS.
RISK OF A THUNDERSTORM EARLY IN THE EVENING. LOW 6.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT THEN
30 PERCENT CHANCE OF SHOWERS BEFORE MORNING. LOW PLUS 3.
WEDNESDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM IN THE AFTERNOON. HIGH 15. UV INDEX 2 OR LOW.
WEDNESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING. RISK OF A THUNDERSTORM EARLY IN THE EVENING. LOW PLUS 2.
YELLOWKNIFE REGION.
TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. FOG PATCHES DEVELOPING
OVERNIGHT. LOW PLUS 4.
WEDNESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. FOG
PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTHEAST 30 KM/H
IN THE MORNING. HIGH 14. UV INDEX 1 OR LOW.
WEDNESDAY NIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING AND AFTER MIDNIGHT. WIND SOUTHEAST 20 KM/H BECOMING LIGHT
NEAR MIDNIGHT. LOW 6.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 2.
WEDNESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. FOG
PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H
IN THE MORNING. HIGH 14. UV INDEX 1 OR LOW.
WEDNESDAY NIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS.
WIND SOUTHEAST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 6.
WRIGLEY REGION.
TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 1.
WEDNESDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. FOG PATCHES
DISSIPATING IN THE MORNING. HIGH 11. UV INDEX 1 OR LOW.
WEDNESDAY NIGHT..MAINLY CLOUDY. LOW PLUS 4.
NORMAN WELLS - TULITA REGION.
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING NEAR MIDNIGHT. LOW
PLUS 1.
WEDNESDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE
MORNING. WIND BECOMING WEST 20 KM/H NEAR NOON. HIGH 9. UV INDEX 1 OR
LOW.
WEDNESDAY NIGHT..PARTLY CLOUDY. WIND WEST 20 KM/H BECOMING LIGHT IN
THE EVENING. LOW MINUS 2.
FORT GOOD HOPE REGION.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING AND OVERNIGHT. FOG PATCHES DEVELOPING NEAR MIDNIGHT. LOW
PLUS 2.
WEDNESDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
MORNING AND EARLY IN THE AFTERNOON. CLEARING LATE IN THE AFTERNOON.
FOG PATCHES DISSIPATING IN THE MORNING. HIGH 8. UV INDEX 1 OR LOW.
WEDNESDAY NIGHT..A FEW CLOUDS. LOW MINUS 1.
DELINE.
TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 3.
WEDNESDAY..MAINLY SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON. FOG
PATCHES DISSIPATING IN THE MORNING. HIGH 10. UV INDEX 1 OR LOW.
WEDNESDAY NIGHT..MAINLY CLOUDY. LOW PLUS 3.
COLVILLE LAKE.
TONIGHT..PARTLY CLOUDY. 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.
WEDNESDAY NIGHT..A FEW CLOUDS. LOW MINUS 1.
END
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