702
FPCN11 CWNT 191654
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT
SATURDAY 19 SEPTEMBER 2026 FOR TODAY AND SUNDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TODAY..MAINLY CLOUDY. WIND SOUTHEAST 20 KM/H. HIGH 18. UV INDEX 2 OR
LOW.
TONIGHT..MAINLY CLOUDY. CLEARING AFTER MIDNIGHT. FOG PATCHES
DEVELOPING OVERNIGHT. WIND SOUTH 30 KM/H BECOMING LIGHT THIS
EVENING. LOW 7.
SUNDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND
BECOMING SOUTH 20 KM/H NEAR NOON. HIGH 22. UV INDEX 3 OR MODERATE.
LUTSEL K'E REGION.
TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY THIS AFTERNOON. WIND
SOUTHEAST 20 KM/H GUSTING TO 40. HIGH 15. UV INDEX 2 OR LOW.
TONIGHT..CLOUDY. CLEARING BEFORE MORNING. WIND SOUTH 20 KM/H GUSTING
TO 40 BECOMING LIGHT NEAR MIDNIGHT. LOW 10.
SUNDAY..SUNNY. HIGH 18. UV INDEX 2 OR LOW.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..MAINLY CLOUDY. WIND SOUTHEAST 20 KM/H GUSTING TO 40. HIGH 16.
UV INDEX 2 OR LOW.
TONIGHT..MAINLY CLOUDY. CLEARING AFTER MIDNIGHT. 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 NEAR
NOON. HIGH 20. UV INDEX 2 OR LOW.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..MAINLY CLOUDY. WIND SOUTH 20 KM/H GUSTING TO 40. HIGH 18. UV
INDEX 2 OR LOW.
TONIGHT..CLEARING NEAR MIDNIGHT. WIND SOUTH 20 KM/H GUSTING TO 40
BECOMING LIGHT NEAR MIDNIGHT. LOW 9.
SUNDAY..SUNNY. WIND BECOMING SOUTH 20 KM/H GUSTING TO 40 IN THE
MORNING. HIGH 21. UV INDEX 2 OR LOW.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..MAINLY CLOUDY. HIGH 17. UV INDEX 2 OR LOW.
TONIGHT..CLEARING THIS EVENING. LOW 6.
SUNDAY..MAINLY SUNNY. HIGH 22. UV INDEX 2 OR LOW.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..CLEARING THIS AFTERNOON. WIND BECOMING SOUTHWEST 20 KM/H THIS
AFTERNOON. HIGH 20. UV INDEX 2 OR LOW.
TONIGHT..CLEAR. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS EVENING.
LOW 7.
SUNDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON.
HIGH 22. UV INDEX 2 OR LOW.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..A MIX OF SUN AND CLOUD. HIGH 22. UV INDEX 2 OR LOW.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY AFTER MIDNIGHT. WIND SOUTHWEST
20 KM/H BECOMING LIGHT THIS EVENING. LOW PLUS 5.
SUNDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE
MORNING. HIGH 22. UV INDEX 2 OR LOW.
YELLOWKNIFE REGION.
TODAY..CLOUDY. WIND SOUTHEAST 30 KM/H. HIGH 14. UV INDEX 1 OR LOW.
TONIGHT..CLEARING LATE THIS EVENING. FOG PATCHES DEVELOPING
OVERNIGHT. WIND SOUTHEAST 30 KM/H BECOMING LIGHT NEAR MIDNIGHT.
LOW 8.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. 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.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON. WIND SOUTHEAST 20 KM/H. HIGH 14. UV INDEX 2 OR LOW.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. CLEARING LATE THIS EVENING. FOG PATCHES DEVELOPING
OVERNIGHT. LOW PLUS 5.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. FOG PATCHES
DISSIPATING IN THE MORNING. WIND BECOMING SOUTH 20 KM/H GUSTING TO
40 NEAR NOON. HIGH 17. UV INDEX 2 OR LOW.
WRIGLEY REGION.
TODAY..CLEARING EARLY THIS AFTERNOON. HIGH 19. UV INDEX 2 OR LOW.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY BEFORE MORNING. LOW PLUS 4.
SUNDAY..SUNNY. HIGH 19. UV INDEX 2 OR LOW.
NORMAN WELLS - TULITA REGION.
TODAY..A MIX OF SUN AND CLOUD. WIND SOUTHEAST 20 KM/H BECOMING LIGHT
THIS AFTERNOON. HIGH 18. UV INDEX 2 OR LOW.
TONIGHT..CLEARING LATE THIS EVENING. LOW PLUS 4.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. WIND
BECOMING SOUTHEAST 20 KM/H IN THE MORNING. HIGH 17. UV INDEX 1 OR
LOW.
FORT GOOD HOPE REGION.
TODAY..A MIX OF SUN AND CLOUD. HIGH 18. UV INDEX 1 OR LOW.
TONIGHT..A FEW CLOUDS. LOW PLUS 4.
SUNDAY..INCREASING CLOUDINESS NEAR NOON. HIGH 15. UV INDEX 1 OR LOW.
DELINE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 15. UV INDEX 1 OR LOW.
TONIGHT..A FEW CLOUDS. LOW PLUS 4.
SUNDAY..MAINLY SUNNY. INCREASING CLOUDINESS LATE IN THE MORNING. WIND
BECOMING SOUTHEAST 20 KM/H IN THE MORNING. HIGH 14. UV INDEX 1 OR
LOW.
COLVILLE LAKE.
TODAY..MAINLY CLOUDY. HIGH 13. UV INDEX 1 OR LOW.
TONIGHT..CLEARING THIS EVENING. WIND BECOMING SOUTHWEST 20 KM/H THIS
EVENING. LOW PLUS 5.
SUNDAY..SUNNY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH
30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. WIND BECOMING
SOUTH 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 14. UV INDEX 1 OR
LOW.
END
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