055
FPCN11 CWNT 012130
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 1 SEPTEMBER 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..CLEAR. WIND SOUTHEAST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT.
LOW 13.
WEDNESDAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHEAST 20 KM/H
NEAR NOON. HIGH 24. HUMIDEX 27. UV INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..PARTLY CLOUDY. LOW 15.
LUTSEL K'E REGION.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. LOW 16.
WEDNESDAY..MAINLY SUNNY. HIGH 24. HUMIDEX 27. UV INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..PARTLY CLOUDY. LOW 17.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..PARTLY CLOUDY. WIND SOUTHEAST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 13.
WEDNESDAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHEAST 20 KM/H IN
THE MORNING. HIGH 24. HUMIDEX 27. UV INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..CLEARING IN THE EVENING. WIND SOUTHEAST 20 KM/H
BECOMING LIGHT IN THE EVENING. LOW 15.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..PARTLY CLOUDY. WIND SOUTH 20 KM/H BECOMING LIGHT NEAR
MIDNIGHT. LOW 12.
WEDNESDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON WITH RISK OF THUNDERSTORMS. WIND BECOMING SOUTHEAST
20 KM/H IN THE AFTERNOON. HIGH 23. HUMIDEX 26. UV INDEX 2 OR LOW.
WEDNESDAY NIGHT..CLEARING IN THE EVENING. WIND SOUTHEAST 20 KM/H
BECOMING LIGHT NEAR MIDNIGHT. LOW 11.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT WITH
RISK OF A THUNDERSTORM. LOW 10.
WEDNESDAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. HIGH 23. HUMIDEX 27. UV INDEX 1 OR LOW.
WEDNESDAY NIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN
THE EVENING AND RISK OF A THUNDERSTORM. CLEARING LATE IN THE
EVENING. LOW 12.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..MAINLY CLOUDY. LOCAL SMOKE. LOW 9.
WEDNESDAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE IN THE
MORNING AND IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. LOCAL
SMOKE. WIND NORTHWEST 20 KM/H. HIGH 18. UV INDEX 2 OR LOW.
WEDNESDAY NIGHT..SHOWERS WITH RISK OF A THUNDERSTORM. AMOUNT 5 MM.
LOCAL SMOKE. WIND NORTHWEST 20 KM/H. LOW 10.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT WITH
RISK OF A THUNDERSTORM. WIND BECOMING NORTHEAST 20 KM/H NEAR
MIDNIGHT. LOW 10.
WEDNESDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM. WIND NORTHEAST 20 KM/H. HIGH 17. UV INDEX 3 OR
MODERATE.
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. WIND NORTHEAST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT.
LOW 10.
YELLOWKNIFE REGION.
TONIGHT..PARTLY CLOUDY. WIND SOUTHEAST 20 KM/H. LOW 14.
WEDNESDAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHEAST 20 KM/H
NEAR NOON. HIGH 23. HUMIDEX 26. UV INDEX 3 OR MODERATE.
WEDNESDAY NIGHT..MAINLY CLOUDY. WIND SOUTHEAST 20 KM/H BECOMING LIGHT
OVERNIGHT. LOW 13.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING
AND RISK OF A THUNDERSTORM. CLEARING AFTER MIDNIGHT. LOW 10.
WEDNESDAY..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 18. UV INDEX 2 OR LOW.
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. LOW 11.
WRIGLEY REGION.
TONIGHT..PERIODS OF RAIN ENDING OVERNIGHT THEN MAINLY CLOUDY. FOG
PATCHES DEVELOPING OVERNIGHT. LOW 8.
WEDNESDAY..CLOUDY. A FEW SHOWERS BEGINNING IN THE MORNING. FOG
PATCHES DISSIPATING IN THE MORNING. HIGH 12. UV INDEX 1 OR LOW.
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 10.
NORMAN WELLS - TULITA REGION.
TONIGHT..PERIODS OF RAIN ENDING NEAR MIDNIGHT THEN CLOUDY. FOG
PATCHES DEVELOPING OVERNIGHT. LOW 6.
WEDNESDAY..MAINLY CLOUDY. FOG PATCHES DISSIPATING IN THE MORNING.
HIGH 13. UV INDEX 2 OR LOW.
WEDNESDAY NIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT.
LOW 7.
FORT GOOD HOPE REGION.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY THIS EVENING. FOG PATCHES
DEVELOPING OVERNIGHT. LOW 6.
WEDNESDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE
MORNING. HIGH 13. UV INDEX 2 OR LOW.
WEDNESDAY NIGHT..CLOUDY. RAIN BEGINNING OVERNIGHT. AMOUNT 5 MM. LOW
PLUS 5.
DELINE.
TONIGHT..PERIODS OF RAIN ENDING OVERNIGHT THEN CLOUDY WITH 30 PERCENT
CHANCE OF SHOWERS. AMOUNT 5 TO 10 MM. TEMPERATURE STEADY NEAR 8.
WEDNESDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE
MORNING. HIGH 12. UV INDEX 2 OR LOW.
WEDNESDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOW 6.
COLVILLE LAKE.
TONIGHT..MAINLY CLOUDY. LOW 7.
WEDNESDAY..MAINLY CLOUDY. HIGH 12. UV INDEX 2 OR LOW.
WEDNESDAY NIGHT..PARTLY CLOUDY. BECOMING CLOUDY OVERNIGHT. LOW
PLUS 5.
END
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