664
FPCN11 CWNT 112139
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT
TUESDAY 11 AUGUST 2026 FOR TONIGHT WEDNESDAY AND WEDNESDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT
WEDNESDAY.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 11.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 19. UV INDEX 5 OR MODERATE.
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 9.
LUTSEL K'E REGION.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING.
LOW 14.
WEDNESDAY..CLEARING IN THE MORNING. WIND BECOMING NORTHEAST 20 KM/H
IN THE MORNING. HIGH 21. UV INDEX 4 OR MODERATE.
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 12.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..CLOUDY. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS
EVENING. LOW 11.
WEDNESDAY..CLOUDY. CLEARING EARLY IN THE AFTERNOON. WIND BECOMING
NORTH 20 KM/H NEAR NOON. HIGH 22. HUMIDEX 25. UV INDEX 3 OR
MODERATE.
WEDNESDAY NIGHT..A FEW CLOUDS. WIND NORTH 20 KM/H BECOMING LIGHT IN
THE EVENING. LOW 12.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..MAINLY CLOUDY. LOW 12.
WEDNESDAY..CLEARING NEAR NOON. WIND BECOMING NORTHEAST 20 KM/H NEAR
NOON. HIGH 20. UV INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..A FEW CLOUDS. WIND NORTHEAST 20 KM/H BECOMING LIGHT
IN THE EVENING. LOW 12.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..PARTLY CLOUDY. LOCAL SMOKE. LOW 11.
WEDNESDAY..A MIX OF SUN AND CLOUD. CLEARING LATE IN THE AFTERNOON.
LOCAL SMOKE. HIGH 22. UV INDEX 5 OR MODERATE.
WEDNESDAY NIGHT..A FEW CLOUDS. LOCAL SMOKE. LOW 10.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..WIDESPREAD SMOKE. LOW 12.
WEDNESDAY..WIDESPREAD SMOKE. HIGH 22. UV INDEX 5 OR MODERATE.
WEDNESDAY NIGHT..WIDESPREAD SMOKE. LOW 11.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF
THUNDERSTORMS EARLY THIS EVENING. LOCAL SMOKE. LOW 14.
WEDNESDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. HIGH 20. HUMIDEX
25. UV INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..PARTLY CLOUDY. LOW 11.
YELLOWKNIFE REGION.
TONIGHT..MAINLY CLOUDY. WIND NORTHEAST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 12.
WEDNESDAY..CLEARING IN THE MORNING. WIND BECOMING NORTHEAST 20 KM/H
NEAR NOON. HIGH 23. UV INDEX 5 OR MODERATE.
WEDNESDAY NIGHT..A FEW CLOUDS. WIND NORTHEAST 20 KM/H BECOMING LIGHT
IN THE EVENING. LOW 14.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..MAINLY CLOUDY. WIND NORTHEAST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 10.
WEDNESDAY..A MIX OF SUN AND CLOUD. CLEARING NEAR NOON. WIND BECOMING
NORTHEAST 20 KM/H NEAR NOON. HIGH 22. UV INDEX 4 OR MODERATE.
WEDNESDAY NIGHT..A FEW CLOUDS. WIND NORTHEAST 20 KM/H BECOMING LIGHT
IN THE EVENING. LOW 10.
WRIGLEY REGION.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOCAL
SMOKE. LOW 12.
WEDNESDAY..A MIX OF SUN AND CLOUD. LOCAL SMOKE. HIGH 23. HUMIDEX 26.
UV INDEX 4 OR MODERATE.
WEDNESDAY NIGHT..PARTLY CLOUDY. LOCAL SMOKE. LOW 12.
NORMAN WELLS - TULITA REGION.
TONIGHT..A FEW SHOWERS ENDING LATE THIS EVENING THEN MAINLY CLOUDY.
LOW 10.
WEDNESDAY..A MIX OF SUN AND CLOUD. CLEARING EARLY IN THE AFTERNOON.
HIGH 22. UV INDEX 4 OR MODERATE.
WEDNESDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY IN THE EVENING.
LOW 11.
FORT GOOD HOPE REGION.
TONIGHT..CLOUDY. BECOMING PARTLY CLOUDY THIS EVENING. LOW 9.
WEDNESDAY..A MIX OF SUN AND CLOUD. CLEARING EARLY IN THE AFTERNOON.
HIGH 22. UV INDEX 4 OR MODERATE.
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 10.
DELINE.
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 8.
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 18. UV INDEX 4 OR MODERATE.
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 9.
COLVILLE LAKE.
TONIGHT..CLOUDY. A FEW SHOWERS BEGINNING THIS EVENING. LOW 10.
WEDNESDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD LATE IN THE
MORNING. HIGH 17. UV INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..PARTLY CLOUDY. LOW 10.
END
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