992
FPCN11 CWNT 211630
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT
MONDAY 21 SEPTEMBER 2026 FOR TODAY AND TUESDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTH 20 KM/H GUSTING TO
40 THIS AFTERNOON. HIGH 20. UV INDEX 2 OR LOW.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING
AND AFTER MIDNIGHT. CLEARING BEFORE MORNING. FOG PATCHES DEVELOPING
OVERNIGHT. WIND SOUTH 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS
EVENING. LOW 8.
TUESDAY..INCREASING CLOUDINESS IN THE MORNING. FOG PATCHES
DISSIPATING IN THE MORNING. HIGH 16. UV INDEX 2 OR LOW.
LUTSEL K'E REGION.
TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H
GUSTING TO 40 THIS AFTERNOON. HIGH 18. UV INDEX 2 OR LOW.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
EVENING AND AFTER MIDNIGHT. FOG PATCHES DEVELOPING OVERNIGHT. WIND
SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 7.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. FOG
PATCHES DISSIPATING IN THE MORNING. HIGH 16. UV INDEX 2 OR LOW.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H
GUSTING TO 40 THIS AFTERNOON. HIGH 20. UV INDEX 2 OR LOW.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING
AND AFTER MIDNIGHT. BECOMING CLEAR OVERNIGHT. FOG PATCHES DEVELOPING
OVERNIGHT. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS
EVENING. LOW 8.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. FOG
PATCHES DISSIPATING IN THE MORNING. HIGH 16. UV INDEX 2 OR LOW.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H
GUSTING TO 40 EARLY THIS AFTERNOON. HIGH 22. UV INDEX 2 OR LOW.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS
EVENING. CLEARING OVERNIGHT. WIND SOUTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT THIS EVENING. LOW 7.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING.
HIGH 18. UV INDEX 2 OR LOW.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 20. UV INDEX 2 OR LOW.
TONIGHT..CLEARING LATE THIS EVENING. LOW PLUS 5.
TUESDAY..MAINLY SUNNY. HIGH 18. UV INDEX 2 OR LOW.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H
GUSTING TO 40 EARLY THIS AFTERNOON. HIGH 19. UV INDEX 2 OR LOW.
TONIGHT..CLEARING THIS EVENING. WIND SOUTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT THIS EVENING. LOW PLUS 4.
TUESDAY..MAINLY SUNNY. HIGH 17. UV INDEX 1 OR LOW.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..A MIX OF SUN AND CLOUD. WIND SOUTHWEST 20 KM/H GUSTING TO 40.
HIGH 19. UV INDEX 2 OR LOW.
TONIGHT..CLEAR. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT
THIS EVENING. LOW PLUS 3.
TUESDAY..MAINLY SUNNY. HIGH 18. UV INDEX 2 OR LOW.
YELLOWKNIFE REGION.
TODAY..A MIX OF SUN AND CLOUD. WIND SOUTH 20 KM/H GUSTING TO 40.
HIGH 16. UV INDEX 2 OR LOW.
TONIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. FOG PATCHES
DEVELOPING OVERNIGHT. WIND SOUTH 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 6.
TUESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 14. UV
INDEX 1 OR LOW.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..A MIX OF SUN AND CLOUD. WIND SOUTHWEST 20 KM/H GUSTING TO 40.
HIGH 16. UV INDEX 1 OR LOW.
TONIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. FOG PATCHES
DEVELOPING OVERNIGHT. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW PLUS 3.
TUESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 14. UV
INDEX 1 OR LOW.
WRIGLEY REGION.
TODAY..A MIX OF SUN AND CLOUD. HIGH 16. UV INDEX 1 OR LOW.
TONIGHT..CLEARING LATE THIS EVENING. LOW PLUS 2.
TUESDAY..SUNNY. HIGH 15. UV INDEX 1 OR LOW.
NORMAN WELLS - TULITA REGION.
TODAY..A MIX OF SUN AND CLOUD. HIGH 11. UV INDEX 1 OR LOW.
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 2.
TUESDAY..A MIX OF SUN AND CLOUD. CLEARING NEAR NOON. FOG PATCHES
DISSIPATING IN THE MORNING. WIND BECOMING WEST 20 KM/H NEAR NOON.
HIGH 11. UV INDEX 1 OR LOW.
FORT GOOD HOPE REGION.
TODAY..A MIX OF SUN AND CLOUD. HIGH 10. UV INDEX 1 OR LOW.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. FOG
PATCHES DEVELOPING OVERNIGHT. LOW PLUS 3.
TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
MORNING AND EARLY 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 15. UV INDEX 1 OR LOW.
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 2.
TUESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 12. UV
INDEX 1 OR LOW.
COLVILLE LAKE.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND WEST
20 KM/H GUSTING TO 40. HIGH 8. UV INDEX 1 OR LOW.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOW
PLUS 3.
TUESDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING
AND EARLY IN THE AFTERNOON. HIGH 8. UV INDEX 1 OR LOW.
END
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