669
FPCN11 CWNT 121652
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 12 MAY 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..MAINLY SUNNY. HIGH 17. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. LOW PLUS 5.
WEDNESDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE AFTERNOON.
HIGH 16. UV INDEX 4 OR MODERATE.
LUTSEL K'E REGION.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. HIGH
PLUS 4. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY THIS EVENING. WIND UP TO 15
KM/H. LOW MINUS 1. WIND CHILL MINUS 6 OVERNIGHT.
WEDNESDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING.
WIND BECOMING EAST 20 KM/H IN THE AFTERNOON. HIGH PLUS 5. UV INDEX 4
OR MODERATE.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON. HIGH 10. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. CLEARING THIS EVENING. LOW PLUS 2.
WEDNESDAY..INCREASING CLOUDINESS IN THE MORNING. HIGH 14. UV INDEX 4
OR MODERATE.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON. HIGH 10. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. LOW PLUS 4.
WEDNESDAY..MAINLY CLOUDY. WIND BECOMING EAST 20 KM/H IN THE
AFTERNOON. HIGH 9. UV INDEX 4 OR MODERATE.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON. HIGH 15. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. LOW PLUS 4.
WEDNESDAY..MAINLY CLOUDY. HIGH 12. UV INDEX 4 OR MODERATE.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON. HIGH 19. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. LOW 7.
WEDNESDAY..CLOUDY. HIGH 14. UV INDEX 3 OR MODERATE.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON. HIGH 19. UV INDEX 4 OR MODERATE.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING.
LOW 7.
WEDNESDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.
HIGH 13. UV INDEX 2 OR LOW.
YELLOWKNIFE REGION.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
AFTERNOON. CLEARING THIS AFTERNOON. HIGH 11. UV INDEX 3 OR MODERATE.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY OVERNIGHT. LOW PLUS 1.
WEDNESDAY..A MIX OF SUN AND CLOUD. WIND BECOMING EAST 20 KM/H NEAR
NOON. HIGH 9. UV INDEX 3 OR MODERATE.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS NEAR NOON.
CLEARING THIS AFTERNOON. HIGH 9. UV INDEX 3 OR MODERATE.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS OVERNIGHT. LOW ZERO.
WEDNESDAY..CLOUDY. HIGH 8. UV INDEX 3 OR MODERATE.
WRIGLEY REGION.
TODAY..INCREASING CLOUDINESS THIS AFTERNOON. HIGH 16. UV INDEX 4 OR
MODERATE.
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. LOW 6.
WEDNESDAY..RAIN. AMOUNT 5 MM. HIGH 8. UV INDEX 1 OR LOW.
NORMAN WELLS - TULITA REGION.
TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY THIS AFTERNOON.
HIGH 12. UV INDEX 3 OR MODERATE.
TONIGHT..CLOUDY. PERIODS OF RAIN BEGINNING THIS EVENING. LOW PLUS 3.
WEDNESDAY..PERIODS OF RAIN. HIGH 6. UV INDEX 1 OR LOW.
FORT GOOD HOPE REGION.
TODAY..A MIX OF SUN AND CLOUD. HIGH 7. UV INDEX 3 OR MODERATE.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT THEN 30 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND UP TO 15
KM/H. LOW MINUS 1. WIND CHILL MINUS 5 OVERNIGHT.
WEDNESDAY..CLOUDY. 40 PERCENT CHANCE OF FLURRIES IN THE MORNING THEN
40 PERCENT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WIND UP TO 15
KM/H. HIGH PLUS 4. WIND CHILL MINUS 5 IN THE MORNING. UV INDEX 2 OR
LOW.
DELINE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 6. UV INDEX 3 OR MODERATE.
TONIGHT..BECOMING CLOUDY THIS EVENING. SNOW BEGINNING OVERNIGHT. RISK
OF FREEZING RAIN OVERNIGHT. WIND UP TO 15 KM/H. LOW MINUS 2. WIND
CHILL MINUS 7 OVERNIGHT.
WEDNESDAY..SNOW. AMOUNT 2 TO 4 CM. WIND BECOMING EAST 20 KM/H NEAR
NOON. HIGH PLUS 1. UV INDEX 1 OR LOW.
COLVILLE LAKE.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO
15 KM/H. HIGH PLUS 2. WIND CHILL MINUS 9 THIS MORNING. UV INDEX 3 OR
MODERATE.
TONIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 7. WIND CHILL
MINUS 12 OVERNIGHT.
WEDNESDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH PLUS 2.
WIND CHILL MINUS 12 IN THE MORNING. UV INDEX 4 OR MODERATE.
END
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