536
FPCN11 CWNT 192130
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT
SATURDAY 19 SEPTEMBER 2026 FOR TONIGHT SUNDAY AND SUNDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT SUNDAY.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TONIGHT..PARTLY CLOUDY. CLEARING BEFORE MORNING. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND SOUTH 20 KM/H BECOMING LIGHT NEAR
MIDNIGHT. LOW 8.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. FOG
PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTH 20 KM/H IN
THE AFTERNOON. HIGH 22. UV INDEX 3 OR MODERATE.
SUNDAY NIGHT..CLEARING LATE IN THE EVENING. WIND SOUTH 20 KM/H
BECOMING LIGHT OVERNIGHT. LOW 10.
LUTSEL K'E REGION.
TONIGHT..INCREASING CLOUDINESS EARLY THIS EVENING. CLEARING BEFORE
MORNING. FOG PATCHES DEVELOPING AFTER MIDNIGHT. WIND SOUTH 20 KM/H
BECOMING LIGHT THIS EVENING. LOW 11.
SUNDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING.
HIGH 18. UV INDEX 2 OR LOW.
SUNDAY NIGHT..CLEAR. WIND BECOMING SOUTHWEST 20 KM/H IN THE EVENING.
LOW 13.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..MAINLY CLOUDY. CLEARING LATE THIS EVENING. WIND SOUTHEAST
20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 10.
SUNDAY..SUNNY. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 20. UV INDEX 2 OR LOW.
SUNDAY NIGHT..CLEAR. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING
LIGHT OVERNIGHT. LOW 11.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..CLEARING THIS EVENING. WIND SOUTH 20 KM/H BECOMING LIGHT
NEAR MIDNIGHT. LOW 9.
SUNDAY..SUNNY. WIND BECOMING SOUTH 20 KM/H GUSTING TO 40 IN THE
MORNING. HIGH 20. UV INDEX 2 OR LOW.
SUNDAY NIGHT..CLEAR. WIND SOUTHWEST 20 KM/H GUSTING TO 40. LOW 9.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..CLEARING THIS EVENING. LOW 6.
SUNDAY..SUNNY. WIND BECOMING SOUTH 20 KM/H IN THE MORNING. HIGH 22.
UV INDEX 2 OR LOW.
SUNDAY NIGHT..CLEAR. WIND SOUTH 20 KM/H BECOMING LIGHT IN THE
EVENING. LOW 9.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. LOW 7.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND
BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 21.
UV INDEX 2 OR LOW.
SUNDAY NIGHT..PARTLY CLOUDY. BECOMING CLEAR IN THE EVENING. WIND
SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT OVERNIGHT. LOW 9.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..CLEAR. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT
THIS EVENING. LOW PLUS 5.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND
BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 20. UV
INDEX 2 OR LOW.
SUNDAY NIGHT..PARTLY CLOUDY. BECOMING CLEAR LATE IN THE EVENING. WIND
SOUTHWEST 20 KM/H GUSTING TO 40. LOW 8.
YELLOWKNIFE REGION.
TONIGHT..MAINLY CLOUDY. CLEARING LATE THIS EVENING. FOG PATCHES
DEVELOPING AFTER MIDNIGHT. WIND SOUTHEAST 20 KM/H BECOMING LIGHT
THIS EVENING. LOW 8.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. FOG
PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTH 20 KM/H
GUSTING TO 40 IN THE MORNING. HIGH 16. UV INDEX 2 OR LOW.
SUNDAY NIGHT..PARTLY CLOUDY. BECOMING CLEAR IN THE EVENING. WIND
SOUTHWEST 20 KM/H GUSTING TO 40. LOW 10.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..CLEARING THIS EVENING. FOG PATCHES DEVELOPING AFTER
MIDNIGHT. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS
EVENING. LOW PLUS 5.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. FOG
PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTH 20 KM/H
GUSTING TO 40 IN THE MORNING. HIGH 17. UV INDEX 2 OR LOW.
SUNDAY NIGHT..PARTLY CLOUDY. BECOMING CLEAR IN THE EVENING. WIND
SOUTH 20 KM/H GUSTING TO 40. LOW 9.
WRIGLEY REGION.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. LOW PLUS 5.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND
BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 18. UV
INDEX 2 OR LOW.
SUNDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING THEN CLEAR. RISK OF A THUNDERSTORM EARLY IN THE
EVENING. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE
EVENING. LOW PLUS 4.
NORMAN WELLS - TULITA REGION.
TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. WIND WEST 20 KM/H
BECOMING LIGHT THIS EVENING. LOW PLUS 5.
SUNDAY..INCREASING CLOUDINESS IN THE MORNING. WIND BECOMING SOUTHEAST
20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 17. UV INDEX 1 OR LOW.
SUNDAY NIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING AND RISK OF A THUNDERSTORM. CLEARING IN THE EVENING.
WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING.
LOW PLUS 4.
FORT GOOD HOPE REGION.
TONIGHT..CLEARING EARLY THIS EVENING. LOW PLUS 3.
SUNDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. 30 PERCENT CHANCE
OF SHOWERS IN THE AFTERNOON. HIGH 14. UV INDEX 1 OR LOW.
SUNDAY NIGHT..PARTLY CLOUDY. LOW 6.
DELINE.
TONIGHT..A FEW CLOUDS. LOW PLUS 4.
SUNDAY..INCREASING CLOUDINESS IN THE MORNING. WIND BECOMING SOUTHEAST
20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 14. UV INDEX 1 OR LOW.
SUNDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE EVENING WITH RISK OF A THUNDERSTORM. WIND EAST 20 KM/H GUSTING
TO 40 BECOMING LIGHT OVERNIGHT. LOW 7.
COLVILLE LAKE.
TONIGHT..CLEARING EARLY THIS EVENING. FOG PATCHES DEVELOPING AFTER
MIDNIGHT. WIND SOUTHWEST 20 KM/H BECOMING LIGHT OVERNIGHT. LOW
PLUS 5.
SUNDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE AFTERNOON. FOG
PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H
GUSTING TO 40 IN THE MORNING. HIGH 13. UV INDEX 1 OR LOW.
SUNDAY NIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE EVENING.
CLEARING BEFORE MORNING. WIND SOUTH 20 KM/H GUSTING TO 40 BECOMING
LIGHT OVERNIGHT. LOW 6.
END
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