212
FPCN11 CWNT 182130
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT
FRIDAY 18 SEPTEMBER 2026 FOR TONIGHT SATURDAY AND SATURDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT SATURDAY.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM EARLY THIS
EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 5.
SATURDAY..INCREASING CLOUDINESS IN THE MORNING. FOG PATCHES
DISSIPATING IN THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H GUSTING
TO 40 IN THE MORNING. HIGH 19. UV INDEX 2 OR LOW.
SATURDAY NIGHT..MAINLY CLOUDY. CLEARING AFTER MIDNIGHT. WIND
SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING.
LOW 9.
LUTSEL K'E REGION.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 4.
SATURDAY..INCREASING CLOUDINESS NEAR NOON. FOG PATCHES DISSIPATING IN
THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 NEAR
NOON. HIGH 15. UV INDEX 2 OR LOW.
SATURDAY NIGHT..CLOUDY. CLEARING BEFORE MORNING. WIND SOUTHEAST
20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW 11.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. OTHERWISE CLEAR. RISK OF A THUNDERSTORM EARLY THIS EVENING.
FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 4.
SATURDAY..INCREASING CLOUDINESS IN THE MORNING. FOG PATCHES
DISSIPATING IN THE MORNING. WIND BECOMING SOUTHEAST 20 KM/H GUSTING
TO 40 IN THE MORNING. HIGH 17. UV INDEX 2 OR LOW.
SATURDAY NIGHT..MAINLY CLOUDY. CLEARING AFTER MIDNIGHT. WIND
SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING.
LOW 10.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..CLEAR. WIND EAST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 6.
SATURDAY..MAINLY CLOUDY. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO
40 IN THE MORNING. HIGH 16. UV INDEX 2 OR LOW.
SATURDAY NIGHT..CLEARING NEAR MIDNIGHT. WIND SOUTH 20 KM/H GUSTING TO
40 BECOMING LIGHT IN THE EVENING. LOW 9.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..CLEAR. LOW 6.
SATURDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. HIGH 17. UV
INDEX 2 OR LOW.
SATURDAY NIGHT..CLEARING IN THE EVENING. LOW 7.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR EARLY THIS EVENING. INCREASING
CLOUDINESS OVERNIGHT. LOW 6.
SATURDAY..MAINLY CLOUDY. CLEARING EARLY IN THE AFTERNOON. HIGH 19. UV
INDEX 2 OR LOW.
SATURDAY NIGHT..CLEAR. LOW 6.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY THIS EVENING. LOW PLUS 4.
SATURDAY..MAINLY CLOUDY. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO
40 IN THE AFTERNOON. HIGH 21. UV INDEX 2 OR LOW.
SATURDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY AFTER MIDNIGHT. WIND
SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING.
LOW 7.
YELLOWKNIFE REGION.
TONIGHT..CLEARING EARLY THIS EVENING. WIND BECOMING SOUTHEAST 20 KM/H
OVERNIGHT. LOW PLUS 5.
SATURDAY..INCREASING CLOUDINESS IN THE MORNING. WIND SOUTHEAST
30 KM/H GUSTING TO 50. HIGH 12. UV INDEX 1 OR LOW.
SATURDAY NIGHT..CLEARING NEAR MIDNIGHT. WIND SOUTHEAST 20 KM/H
GUSTING TO 40 BECOMING LIGHT NEAR MIDNIGHT. LOW 7.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..CLEARING THIS EVENING. WIND BECOMING SOUTHEAST 20 KM/H
OVERNIGHT. LOW PLUS 5.
SATURDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. 30 PERCENT
CHANCE OF SHOWERS LATE IN THE AFTERNOON. WIND SOUTHEAST 30 KM/H
GUSTING TO 50. HIGH 14. UV INDEX 2 OR LOW.
SATURDAY NIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING. CLEARING LATE IN THE EVENING. WIND SOUTH 20 KM/H
GUSTING TO 40 BECOMING LIGHT NEAR MIDNIGHT. LOW PLUS 4.
WRIGLEY REGION.
TONIGHT..CLEAR. INCREASING CLOUDINESS OVERNIGHT. WIND SOUTHEAST
20 KM/H BECOMING LIGHT THIS EVENING. LOW 6.
SATURDAY..CLEARING. HIGH 18. UV INDEX 2 OR LOW.
SATURDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY BEFORE MORNING. LOW
PLUS 4.
NORMAN WELLS - TULITA REGION.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS OVERNIGHT. LOW 6.
SATURDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING.
WIND BECOMING SOUTHEAST 20 KM/H NEAR NOON. HIGH 18. UV INDEX 2 OR
LOW.
SATURDAY NIGHT..CLEARING LATE IN THE EVENING. WIND SOUTHEAST 20 KM/H
BECOMING LIGHT IN THE EVENING. LOW PLUS 3.
FORT GOOD HOPE REGION.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS OVERNIGHT. LOW PLUS 4.
SATURDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING.
HIGH 17. UV INDEX 1 OR LOW.
SATURDAY NIGHT..A FEW CLOUDS. LOW PLUS 4.
DELINE.
TONIGHT..A FEW CLOUDS. LOW PLUS 4.
SATURDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. WIND BECOMING
SOUTHEAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 14. UV INDEX 1
OR LOW.
SATURDAY NIGHT..A FEW CLOUDS. LOW PLUS 3.
COLVILLE LAKE.
TONIGHT..CLEAR. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS EVENING.
LOW PLUS 4.
SATURDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. WIND BECOMING
SOUTHEAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 12. UV INDEX 1
OR LOW.
SATURDAY NIGHT..CLEARING IN THE EVENING. LOW PLUS 5.
END
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