824
FPCN11 CWNT 021630
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT
WEDNESDAY 2 SEPTEMBER 2026 FOR TODAY AND THURSDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON. WIND
BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 26.
HUMIDEX 29. UV INDEX 3 OR MODERATE.
TONIGHT..A FEW CLOUDS. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 16.
THURSDAY..MAINLY SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON THEN
30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. RISK OF A
THUNDERSTORM LATE IN THE AFTERNOON. HIGH 25. HUMIDEX 28. UV INDEX 3
OR MODERATE.
LUTSEL K'E REGION.
TODAY..MAINLY SUNNY. HIGH 24. HUMIDEX 27. UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. LOW 17.
THURSDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE
IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 22. HUMIDEX 25.
UV INDEX 3 OR MODERATE.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..MAINLY SUNNY. WIND SOUTHEAST 20 KM/H. HIGH 25. HUMIDEX 28. UV
INDEX 3 OR MODERATE.
TONIGHT..A FEW CLOUDS. WIND SOUTHEAST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 14.
THURSDAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING NORTHWEST
20 KM/H IN THE AFTERNOON. HIGH 20. UV INDEX 3 OR MODERATE.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. WIND BECOMING NORTH 20 KM/H THIS AFTERNOON. HIGH 21.
UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. WIND NORTH 20 KM/H. LOW 15.
THURSDAY..CLOUDY. PERIODS OF RAIN BEGINNING IN THE MORNING. RISK OF A
THUNDERSTORM IN THE AFTERNOON. WIND NORTHWEST 20 KM/H BECOMING LIGHT
IN THE MORNING. HIGH 18. UV INDEX 1 OR LOW.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. HIGH 22. HUMIDEX 25. UV INDEX 3 OR MODERATE.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK
OF A THUNDERSTORM. LOW 14.
THURSDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH
RISK OF A THUNDERSTORM. HIGH 18. UV INDEX 1 OR LOW.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. LOCAL SMOKE. WIND NORTHWEST 20 KM/H. HIGH 16. UV
INDEX 2 OR LOW.
TONIGHT..SHOWERS WITH RISK OF A THUNDERSTORM. AMOUNT 5 MM. LOCAL
SMOKE. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 11.
THURSDAY..CLOUDY. PERIODS OF RAIN BEGINNING IN THE MORNING. AMOUNT 5
TO 10 MM. LOCAL SMOKE. WIND BECOMING NORTHWEST 30 KM/H IN THE
MORNING. TEMPERATURE STEADY NEAR 12. UV INDEX 1 OR LOW.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM LATE THIS AFTERNOON. WIND BECOMING NORTHEAST 20 KM/H
THIS AFTERNOON. HIGH 17. UV INDEX 3 OR MODERATE.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. LOW 12.
THURSDAY..SHOWERS ENDING NEAR NOON THEN CLOUDY WITH 30 PERCENT CHANCE
OF SHOWERS. HIGH 15. UV INDEX 3 OR MODERATE.
YELLOWKNIFE REGION.
TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHEAST 20 KM/H EARLY
THIS AFTERNOON. HIGH 23. HUMIDEX 26. UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. WIND SOUTHEAST 20 KM/H BECOMING NORTH 20
OVERNIGHT. LOW 14.
THURSDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE AFTERNOON
WITH 30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. RISK OF A
THUNDERSTORM LATE IN THE AFTERNOON. WIND NORTHWEST 20 KM/H. HIGH 19.
UV INDEX 3 OR MODERATE.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS WITH RISK OF A
THUNDERSTORM. HIGH 17. UV INDEX 2 OR LOW.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING.
SHOWERS BEGINNING THIS EVENING. RISK OF A THUNDERSTORM THIS EVENING
AND OVERNIGHT. LOCAL AMOUNT 10 TO 20 MM. LOW 11.
THURSDAY..CLOUDY. SHOWERS BEGINNING NEAR NOON. RISK OF A THUNDERSTORM
IN THE AFTERNOON. HIGH 13. UV INDEX 1 OR LOW.
WRIGLEY REGION.
TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 13. UV INDEX 2
OR LOW.
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 10.
THURSDAY..SHOWERS. WIND BECOMING NORTHWEST 20 KM/H IN THE MORNING.
TEMPERATURE STEADY NEAR 9. UV INDEX 1 OR LOW.
NORMAN WELLS - TULITA REGION.
TODAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON.
HIGH 15. UV INDEX 2 OR LOW.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS LATE THIS EVENING THEN
30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOW 6.
THURSDAY..RAIN ENDING IN THE AFTERNOON THEN CLEARING. WIND WEST
30 KM/H. HIGH 12. UV INDEX 1 OR LOW.
FORT GOOD HOPE REGION.
TODAY..MAINLY CLOUDY. HIGH 13. UV INDEX 2 OR LOW.
TONIGHT..CLOUDY. RAIN BEGINNING AFTER MIDNIGHT. AMOUNT 5 MM. WIND
BECOMING WEST 20 KM/H OVERNIGHT. LOW PLUS 5.
THURSDAY..RAIN ENDING IN THE MORNING THEN CLEARING. WIND WEST
20 KM/H. HIGH 12. UV INDEX 2 OR LOW.
DELINE.
TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY THIS AFTERNOON.
HIGH 13. UV INDEX 2 OR LOW.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING AND
AFTER MIDNIGHT. LOW 6.
THURSDAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. WIND BECOMING NORTHWEST 30 KM/H NEAR NOON. HIGH 10. UV
INDEX 1 OR LOW.
COLVILLE LAKE.
TODAY..A MIX OF SUN AND CLOUD. CLEARING LATE THIS AFTERNOON. HIGH 12.
UV INDEX 2 OR LOW.
TONIGHT..CLEAR. INCREASING CLOUDINESS OVERNIGHT. LOW PLUS 5.
THURSDAY..RAIN ENDING NEAR NOON THEN CLEARING. AMOUNT 5 MM. WIND
NORTHWEST 20 KM/H. TEMPERATURE STEADY NEAR 6. UV INDEX 2 OR LOW.
END
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