887
FPCN11 CWNT 251654
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT
TUESDAY 25 AUGUST 2026 FOR TODAY AND WEDNESDAY.
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. LOCAL SMOKE. HIGH 22. UV INDEX 4 OR
MODERATE.
TONIGHT..CLEAR. LOCAL SMOKE THIS EVENING. LOW 11.
WEDNESDAY..SUNNY. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 EARLY
IN THE AFTERNOON. HIGH 27. HUMIDEX 30. UV INDEX 4 OR MODERATE.
LUTSEL K'E REGION.
TODAY..A MIX OF SUN AND CLOUD. HIGH 18. UV INDEX 3 OR MODERATE.
TONIGHT..CLEAR. LOW 11.
WEDNESDAY..MAINLY SUNNY. WIND BECOMING SOUTH 20 KM/H GUSTING TO 40
EARLY IN THE AFTERNOON. HIGH 23. HUMIDEX 25. UV INDEX 3 OR MODERATE.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..A MIX OF SUN AND CLOUD. LOCAL SMOKE. HIGH 20. UV INDEX 4 OR
MODERATE.
TONIGHT..A FEW CLOUDS. LOCAL SMOKE THIS EVENING. LOW 11.
WEDNESDAY..MAINLY SUNNY. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO
40 IN THE MORNING. HIGH 26. HUMIDEX 29. UV INDEX 4 OR MODERATE.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..MAINLY SUNNY. LOCAL SMOKE. HIGH 23. UV INDEX 4 OR MODERATE.
TONIGHT..A FEW CLOUDS. LOCAL SMOKE THIS EVENING. LOW 13.
WEDNESDAY..MAINLY SUNNY. WIND SOUTHEAST 20 KM/H GUSTING TO 40.
HIGH 29. HUMIDEX 32. UV INDEX 4 OR MODERATE.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..SUNNY. LOCAL SMOKE. HIGH 25. UV INDEX 4 OR MODERATE.
TONIGHT..CLEAR. LOCAL SMOKE THIS EVENING. LOW 14.
WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE
IN THE MORNING AND IN THE AFTERNOON. HIGH 28. HUMIDEX 30. UV INDEX 3
OR MODERATE.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..WIDESPREAD SMOKE. HIGH 26. UV INDEX 4 OR MODERATE.
TONIGHT..WIDESPREAD SMOKE. LOW 14.
WEDNESDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
MORNING AND RISK OF A THUNDERSTORM. CLEARING IN THE AFTERNOON.
WIDESPREAD SMOKE. HIGH 26. HUMIDEX 28. UV INDEX 3 OR MODERATE.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..MAINLY SUNNY. LOCAL SMOKE. HIGH 27. HUMIDEX 30. UV INDEX 4 OR
MODERATE.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS BEFORE MORNING. LOW 10.
WEDNESDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN THE
MORNING. CLEARING IN THE AFTERNOON. HIGH 28. HUMIDEX 30. UV INDEX 4
OR MODERATE.
YELLOWKNIFE REGION.
TODAY..SUNNY. HIGH 18. UV INDEX 3 OR MODERATE.
TONIGHT..CLEAR. WIND BECOMING SOUTHEAST 30 KM/H GUSTING TO 50
OVERNIGHT. LOW 12.
WEDNESDAY..A MIX OF SUN AND CLOUD. WIND SOUTHEAST 30 KM/H GUSTING TO
50. HIGH 22. HUMIDEX 25. UV INDEX 3 OR MODERATE.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..A MIX OF SUN AND CLOUD. LOCAL SMOKE. WIND BECOMING SOUTHEAST
20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 21. UV INDEX 3 OR
MODERATE.
TONIGHT..A FEW CLOUDS. LOCAL SMOKE. WIND SOUTHEAST 20 KM/H GUSTING TO
40. LOW 13.
WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE
IN THE MORNING AND IN THE AFTERNOON WITH RISK OF A THUNDERSTORM.
LOCAL SMOKE. WIND SOUTH 30 KM/H GUSTING TO 50. HIGH 24. HUMIDEX 27.
UV INDEX 3 OR MODERATE.
WRIGLEY REGION.
TODAY..MAINLY SUNNY. LOCAL SMOKE. HIGH 25. HUMIDEX 28. UV INDEX 3 OR
MODERATE.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT THEN
30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOCAL SMOKE. LOW 15.
WEDNESDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE MORNING. CLEARING IN THE MORNING. HIGH 25. UV INDEX 3 OR
MODERATE.
NORMAN WELLS - TULITA REGION.
TODAY..MAINLY SUNNY. HIGH 24. HUMIDEX 27. UV INDEX 3 OR MODERATE.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT THEN
30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOW 10.
WEDNESDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND
BECOMING WEST 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 17. UV
INDEX 3 OR MODERATE.
FORT GOOD HOPE REGION.
TODAY..A MIX OF SUN AND CLOUD. CLEARING LATE THIS AFTERNOON. HIGH 23.
HUMIDEX 25. UV INDEX 3 OR MODERATE.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY OVERNIGHT. LOW 11.
WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE
IN THE AFTERNOON. WIND BECOMING WEST 20 KM/H GUSTING TO 40 EARLY IN
THE AFTERNOON. HIGH 15. UV INDEX 2 OR LOW.
DELINE.
TODAY..MAINLY SUNNY. LOCAL SMOKE. HIGH 20. UV INDEX 3 OR MODERATE.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS BEFORE MORNING. LOCAL
SMOKE. LOW 11.
WEDNESDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE
MORNING AND RISK OF A THUNDERSTORM. CLEARING IN THE AFTERNOON. WIND
BECOMING WEST 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 22. UV
INDEX 2 OR LOW.
COLVILLE LAKE.
TODAY..A MIX OF SUN AND CLOUD. CLEARING LATE THIS AFTERNOON. HIGH 21.
UV INDEX 3 OR MODERATE.
TONIGHT..CLEAR. LOW 12.
WEDNESDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. 30 PERCENT
CHANCE OF SHOWERS LATE IN THE MORNING AND EARLY AFTERNOON. WIND
BECOMING NORTHWEST 30 KM/H GUSTING TO 50 IN THE AFTERNOON. HIGH 17.
UV INDEX 2 OR LOW.
END
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