740
FPCN11 CWNT 151030
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 5:00 A.M. MDT
TUESDAY 15 SEPTEMBER 2026 FOR TODAY AND WEDNESDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TODAY..BECOMING CLOUDY THIS MORNING THEN PERIODS OF RAIN. HIGH 9. UV
INDEX 1 OR LOW.
TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING.
CLEARING BEFORE MORNING. LOW ZERO.
WEDNESDAY..MAINLY SUNNY. HIGH 10. UV INDEX 2 OR LOW.
LUTSEL K'E REGION.
TODAY..BECOMING CLOUDY THIS MORNING WITH 30 PERCENT CHANCE OF SHOWERS
THIS AFTERNOON. WIND NORTHWEST 20 KM/H. HIGH 9. UV INDEX 1 OR LOW.
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING
THEN PARTLY CLOUDY. WIND NORTHWEST 20 KM/H. LOW PLUS 2.
WEDNESDAY..A MIX OF SUN AND CLOUD. WIND NORTHWEST 20 KM/H BECOMING
LIGHT IN THE MORNING. HIGH 6. UV INDEX 2 OR LOW.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..BECOMING CLOUDY THIS MORNING. 30 PERCENT CHANCE OF SHOWERS
THIS AFTERNOON. WIND NORTH 20 KM/H. HIGH 10. UV INDEX 2 OR LOW.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING. BECOMING
PARTLY CLOUDY OVERNIGHT. WIND NORTHWEST 20 KM/H BECOMING LIGHT
OVERNIGHT. LOW PLUS 1.
WEDNESDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE AFTERNOON.
WIND BECOMING SOUTHEAST 20 KM/H IN THE AFTERNOON. HIGH 8. UV INDEX 2
OR LOW.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..CLOUDY. PERIODS OF RAIN BEGINNING THIS MORNING AND ENDING LATE
THIS AFTERNOON. WIND NORTHWEST 20 KM/H BECOMING LIGHT EARLY THIS
MORNING. WIND BECOMING NORTHWEST 20 GUSTING TO 40 THIS AFTERNOON.
HIGH 11.
TONIGHT..CLOUDY. BECOMING PARTLY CLOUDY THIS EVENING. WIND NORTHWEST
20 KM/H GUSTING TO 40 BECOMING LIGHT OVERNIGHT. LOW MINUS 3. WIND
CHILL MINUS 8 OVERNIGHT.
WEDNESDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE AFTERNOON.
WIND BECOMING SOUTHEAST 20 KM/H IN THE AFTERNOON. HIGH 9. WIND CHILL
MINUS 8 IN THE MORNING. UV INDEX 2 OR LOW.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..CLOUDY. PERIODS OF RAIN BEGINNING EARLY THIS MORNING AND
ENDING EARLY THIS AFTERNOON. HIGH 8. UV INDEX 1 OR LOW.
TONIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 4. WIND CHILL
MINUS 6 OVERNIGHT.
WEDNESDAY..BECOMING CLOUDY IN THE MORNING WITH 60 PERCENT CHANCE OF
SHOWERS IN THE AFTERNOON. WIND UP TO 15 KM/H. HIGH 10. WIND CHILL
MINUS 6 IN THE MORNING. UV INDEX 1 OR LOW.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD THIS MORNING. LOCAL
SMOKE. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS AFTERNOON.
HIGH 10. UV INDEX 2 OR LOW.
TONIGHT..A FEW CLOUDS. LOCAL SMOKE. LOW ZERO.
WEDNESDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. LOCAL SMOKE.
HIGH 11. UV INDEX 2 OR LOW.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..A MIX OF SUN AND CLOUD. WIND NORTHEAST 20 KM/H BECOMING LIGHT
THIS AFTERNOON. HIGH 13. UV INDEX 3 OR MODERATE.
TONIGHT..A FEW CLOUDS. LOW PLUS 3.
WEDNESDAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H IN
THE MORNING. HIGH 18. UV INDEX 3 OR MODERATE.
YELLOWKNIFE REGION.
TODAY..A MIX OF SUN AND CLOUD. WIND NORTHWEST 20 KM/H GUSTING TO 40.
HIGH 8. UV INDEX 2 OR LOW.
TONIGHT..PARTLY CLOUDY. WIND NORTHWEST 20 KM/H BECOMING LIGHT
OVERNIGHT. LOW MINUS 3. WIND CHILL MINUS 7 OVERNIGHT.
WEDNESDAY..MAINLY SUNNY. WIND BECOMING SOUTHEAST 30 KM/H IN THE
AFTERNOON. HIGH 8. WIND CHILL MINUS 7 IN THE MORNING. UV INDEX 2 OR
LOW.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING NORTHWEST 20 KM/H THIS
AFTERNOON. HIGH 6. UV INDEX 2 OR LOW.
TONIGHT..PARTLY CLOUDY. CLEARING BEFORE MORNING. WIND NORTHWEST
20 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 4. WIND CHILL MINUS 8
OVERNIGHT.
WEDNESDAY..SUNNY. INCREASING CLOUDINESS LATE IN THE AFTERNOON. WIND
BECOMING SOUTHEAST 20 KM/H IN THE MORNING. HIGH 9. WIND CHILL
MINUS 8 IN THE MORNING. UV INDEX 2 OR LOW.
WRIGLEY REGION.
TODAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD THIS MORNING. HIGH 9.
UV INDEX 2 OR LOW.
TONIGHT..PARTLY CLOUDY. LOW PLUS 1.
WEDNESDAY..MAINLY CLOUDY. HIGH 10. UV INDEX 2 OR LOW.
NORMAN WELLS - TULITA REGION.
TODAY..RAIN ENDING THIS MORNING THEN CLEARING. WIND WEST 20 KM/H
BECOMING SOUTHEAST 20 LATE THIS MORNING. HIGH 10. UV INDEX 2 OR LOW.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY THIS EVENING. WIND EAST
20 KM/H. LOW PLUS 3.
WEDNESDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE MORNING.
WIND EAST 20 KM/H BECOMING LIGHT IN THE AFTERNOON. HIGH 13. UV
INDEX 1 OR LOW.
FORT GOOD HOPE REGION.
TODAY..CLEARING. WIND BECOMING SOUTHEAST 20 KM/H THIS AFTERNOON.
HIGH 8. UV INDEX 2 OR LOW.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY OVERNIGHT. WIND SOUTHEAST
20 KM/H BECOMING LIGHT THIS EVENING. LOW ZERO.
WEDNESDAY..CLOUDY. SHOWERS BEGINNING IN THE MORNING. HIGH 10. UV
INDEX 1 OR LOW.
DELINE.
TODAY..CLEARING. WIND NORTHWEST 20 KM/H. HIGH 7. UV INDEX 2 OR LOW.
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H BECOMING SOUTHEAST 20
NEAR MIDNIGHT. LOW MINUS 1.
WEDNESDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. WIND SOUTHEAST
20 KM/H. HIGH 9. UV INDEX 2 OR LOW.
COLVILLE LAKE.
TODAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD THIS MORNING. HIGH
PLUS 3. UV INDEX 1 OR LOW.
TONIGHT..PARTLY CLOUDY. LOW MINUS 1.
WEDNESDAY..BECOMING CLOUDY IN THE MORNING WITH 60 PERCENT CHANCE OF
SHOWERS IN THE AFTERNOON. HIGH 8. UV INDEX 1 OR LOW.
END
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