872
FPCN11 CWNT 151654
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 15 AUGUST 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..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. THEN INCREASING CLOUDINESS.
WIND BECOMING SOUTHWEST 20 KM/H THIS AFTERNOON. HIGH 25. UV INDEX 4
OR MODERATE.
TONIGHT..CLOUDY. A FEW SHOWERS BEGINNING EARLY THIS EVENING AND
ENDING AFTER MIDNIGHT. CLEARING OVERNIGHT. RISK OF A THUNDERSTORM
THIS EVENING AND AFTER MIDNIGHT. WIND SOUTHWEST 20 KM/H BECOMING
NORTHWEST 20 THIS EVENING. LOW 10.
SUNDAY..MAINLY SUNNY. WIND BECOMING NORTHWEST 20 KM/H NEAR NOON.
HIGH 17. UV INDEX 4 OR MODERATE.
LUTSEL K'E REGION.
TODAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. LOCAL SMOKE. WIND BECOMING
WEST 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 19. UV INDEX 3 OR
MODERATE.
TONIGHT..A FEW SHOWERS ENDING LATE THIS EVENING THEN CLEARING. RISK
OF A THUNDERSTORM THIS EVENING. WIND WEST 20 KM/H GUSTING TO 40
BECOMING NORTH 20 NEAR MIDNIGHT. LOW 10.
SUNDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY NEAR NOON. WIND NORTH
20 KM/H. HIGH 15. UV INDEX 4 OR MODERATE.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..INCREASING CLOUDINESS LATE THIS MORNING. 60 PERCENT CHANCE OF
SHOWERS WITH RISK OF A THUNDERSTORM. WIND BECOMING NORTHWEST 20 KM/H
THIS AFTERNOON. HIGH 20. UV INDEX 4 OR MODERATE.
TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN CLEARING. RISK OF A
THUNDERSTORM THIS EVENING. WIND NORTH 30 KM/H. LOW 11.
SUNDAY..MAINLY SUNNY. WIND NORTH 20 KM/H. HIGH 16. UV INDEX 4 OR
MODERATE.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..INCREASING CLOUDINESS LATE THIS MORNING. 60 PERCENT CHANCE OF
SHOWERS WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H
THIS AFTERNOON. HIGH 23. UV INDEX 4 OR MODERATE.
TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN CLEARING. RISK OF A
THUNDERSTORM THIS EVENING. WIND NORTH 30 KM/H BECOMING LIGHT
OVERNIGHT. LOW 10.
SUNDAY..SUNNY. WIND BECOMING NORTHWEST 20 KM/H NEAR NOON. HIGH 16. UV
INDEX 4 OR MODERATE.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS NEAR NOON. A FEW SHOWERS
BEGINNING NEAR NOON. RISK OF A THUNDERSTORM. WIND BECOMING NORTHWEST
20 KM/H THIS AFTERNOON. HIGH 20. UV INDEX 3 OR MODERATE.
TONIGHT..A FEW SHOWERS ENDING THIS EVENING THEN CLEARING. RISK OF A
THUNDERSTORM EARLY THIS EVENING. WIND NORTH 20 KM/H BECOMING LIGHT
THIS EVENING. LOW 6.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. HIGH 20. UV
INDEX 4 OR MODERATE.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. WIDESPREAD SMOKE. WIND NORTH 30 KM/H. HIGH 21. UV
INDEX 3 OR MODERATE.
TONIGHT..WIDESPREAD SMOKE. WIND NORTH 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 10.
SUNDAY..WIDESPREAD SMOKE. HIGH 22. UV INDEX 4 OR MODERATE.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING NORTHEAST
20 KM/H THIS AFTERNOON. HIGH 23. HUMIDEX 26. UV INDEX 4 OR MODERATE.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM THIS EVENING. WIND NORTHEAST 20 KM/H BECOMING LIGHT
NEAR MIDNIGHT. LOW 12.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 21. UV INDEX 4 OR MODERATE.
YELLOWKNIFE REGION.
TODAY..BECOMING CLOUDY NEAR NOON WITH A FEW SHOWERS. LOCAL SMOKE.
WIND NORTHWEST 20 KM/H. HIGH 19. UV INDEX 3 OR MODERATE.
TONIGHT..CLEARING THIS EVENING. LOCAL SMOKE EARLY THIS EVENING. WIND
NORTHWEST 20 KM/H. LOW 8.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. WIND NORTH
20 KM/H. HIGH 16. UV INDEX 4 OR MODERATE.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF
THUNDERSTORMS NEAR NOON. LOCAL SMOKE. WIND NORTHWEST 20 KM/H.
HIGH 18. UV INDEX 3 OR MODERATE.
TONIGHT..CLEARING THIS EVENING. LOCAL SMOKE. WIND NORTH 30 KM/H
BECOMING LIGHT OVERNIGHT. LOW 6.
SUNDAY..MAINLY SUNNY. LOCAL SMOKE. HIGH 17. UV INDEX 4 OR MODERATE.
WRIGLEY REGION.
TODAY..A FEW SHOWERS ENDING THIS AFTERNOON THEN CLOUDY. AMOUNT 5 TO
10 MM. HIGH 20. UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. LOW 12.
SUNDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY NEAR NOON. WIND
BECOMING SOUTHEAST 20 KM/H IN THE AFTERNOON. HIGH 23. HUMIDEX 25. UV
INDEX 4 OR MODERATE.
NORMAN WELLS - TULITA REGION.
TODAY..A MIX OF SUN AND CLOUD. HIGH 22. HUMIDEX 25. UV INDEX 4 OR
MODERATE.
TONIGHT..PARTLY CLOUDY. LOW 9.
SUNDAY..SUNNY. WIND BECOMING SOUTHEAST 20 KM/H NEAR NOON. HIGH 25.
HUMIDEX 27. UV INDEX 4 OR MODERATE.
FORT GOOD HOPE REGION.
TODAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY THIS AFTERNOON.
HIGH 22. UV INDEX 4 OR MODERATE.
TONIGHT..CLEAR. LOW 8.
SUNDAY..SUNNY. HIGH 24. HUMIDEX 26. UV INDEX 4 OR MODERATE.
DELINE.
TODAY..A MIX OF SUN AND CLOUD. CLEARING LATE THIS AFTERNOON. HIGH 15.
UV INDEX 3 OR MODERATE.
TONIGHT..CLEAR. WIND EAST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT.
LOW 7.
SUNDAY..SUNNY. WIND BECOMING SOUTHEAST 20 KM/H NEAR NOON. HIGH 18. UV
INDEX 4 OR MODERATE.
COLVILLE LAKE.
TODAY..MAINLY CLOUDY. HIGH 16. UV INDEX 3 OR MODERATE.
TONIGHT..CLEARING THIS EVENING. LOW 8.
SUNDAY..MAINLY SUNNY. WIND BECOMING SOUTH 20 KM/H NEAR NOON. HIGH 20.
UV INDEX 4 OR MODERATE.
END
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