303
FPCN11 CWNT 211630
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 21 APRIL 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 CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND
NORTHWEST 20 KM/H. HIGH PLUS 1. WIND CHILL MINUS 8 THIS MORNING. UV
INDEX 3 OR MODERATE.
TONIGHT..MAINLY CLOUDY. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW MINUS 6. WIND CHILL MINUS 8 OVERNIGHT.
WEDNESDAY..MAINLY CLOUDY. WIND UP TO 15 KM/H. HIGH PLUS 1. WIND CHILL
MINUS 8 IN THE MORNING. UV INDEX 3 OR MODERATE.
LUTSEL K'E REGION.
TODAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 3. WIND
CHILL MINUS 11 THIS MORNING AND MINUS 5 THIS AFTERNOON. UV INDEX 3
OR MODERATE.
TONIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 16. WIND CHILL
MINUS 5 THIS EVENING AND MINUS 20 OVERNIGHT.
WEDNESDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 3.
WIND CHILL MINUS 20 IN THE MORNING AND MINUS 7 IN THE AFTERNOON. UV
INDEX 3 OR MODERATE.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND
NORTHWEST 20 KM/H. HIGH MINUS 1. WIND CHILL NEAR MINUS 9. UV INDEX 2
OR LOW.
TONIGHT..MAINLY CLOUDY. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW MINUS 11. WIND CHILL MINUS 7 THIS EVENING AND MINUS 14
OVERNIGHT.
WEDNESDAY..MAINLY CLOUDY. WIND BECOMING NORTH 20 KM/H IN THE
AFTERNOON. HIGH ZERO. WIND CHILL MINUS 12 IN THE MORNING. UV INDEX 2
OR LOW.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO
15 KM/H. HIGH MINUS 1. WIND CHILL NEAR MINUS 10. UV INDEX 3 OR
MODERATE.
TONIGHT..MAINLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 11. WIND CHILL
MINUS 6 THIS EVENING AND MINUS 16 OVERNIGHT.
WEDNESDAY..MAINLY CLOUDY. WIND UP TO 15 KM/H. HIGH MINUS 3. WIND
CHILL MINUS 16 IN THE MORNING AND MINUS 8 IN THE AFTERNOON. UV
INDEX 3 OR MODERATE.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO
15 KM/H. HIGH ZERO. WIND CHILL MINUS 7 THIS MORNING. UV INDEX 2 OR
LOW.
TONIGHT..MAINLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 11. WIND CHILL
MINUS 14 OVERNIGHT.
WEDNESDAY..MAINLY CLOUDY. WIND UP TO 15 KM/H. HIGH ZERO. WIND CHILL
MINUS 14 IN THE MORNING. UV INDEX 2 OR LOW.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH ZERO. WIND
CHILL MINUS 6 THIS MORNING. UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 8. WIND CHILL
MINUS 11 OVERNIGHT.
WEDNESDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP
TO 15 KM/H. HIGH PLUS 4. WIND CHILL MINUS 11 IN THE MORNING. UV
INDEX 2 OR LOW.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF FLURRIES.
HIGH PLUS 5. UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO
15 KM/H. LOW MINUS 7. WIND CHILL MINUS 12 OVERNIGHT.
WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF FLURRIES
CHANGING TO 30 PERCENT CHANCE OF RAIN SHOWERS OR FLURRIES NEAR NOON.
WIND UP TO 15 KM/H. HIGH 8. WIND CHILL MINUS 12 IN THE MORNING. UV
INDEX 3 OR MODERATE.
YELLOWKNIFE REGION.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO
15 KM/H. HIGH MINUS 2. WIND CHILL MINUS 11 THIS MORNING AND MINUS 6
THIS AFTERNOON. UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 12. WIND CHILL
MINUS 6 THIS EVENING AND MINUS 18 OVERNIGHT.
WEDNESDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 1.
WIND CHILL MINUS 18 IN THE MORNING AND MINUS 6 IN THE AFTERNOON. UV
INDEX 3 OR MODERATE.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO
15 KM/H. HIGH MINUS 3 EXCEPT MINUS 10 OVER NORTHEASTERN SECTIONS.
WIND CHILL MINUS 14 THIS MORNING AND MINUS 7 THIS AFTERNOON. UV
INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 13. WIND CHILL
NEAR MINUS 17.
WEDNESDAY..MAINLY CLOUDY. WIND UP TO 15 KM/H. HIGH MINUS 3. WIND
CHILL MINUS 15 IN THE MORNING AND MINUS 7 IN THE AFTERNOON. UV
INDEX 3 OR MODERATE.
WRIGLEY REGION.
TODAY..MAINLY CLOUDY. WIND UP TO 15 KM/H. HIGH PLUS 3. WIND CHILL
MINUS 9 THIS MORNING. UV INDEX 2 OR LOW.
TONIGHT..MAINLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 10. WIND CHILL
MINUS 14 OVERNIGHT.
WEDNESDAY..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15
KM/H. HIGH ZERO. WIND CHILL MINUS 13 IN THE MORNING. UV INDEX 2 OR
LOW.
NORMAN WELLS - TULITA REGION.
TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH
30 PERCENT CHANCE OF FLURRIES LATE THIS AFTERNOON. WIND UP TO 15
KM/H. HIGH MINUS 2. WIND CHILL MINUS 18 THIS MORNING AND MINUS 7
THIS AFTERNOON. UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES EARLY THIS
EVENING. WIND UP TO 15 KM/H. LOW MINUS 14. WIND CHILL MINUS 7 THIS
EVENING AND MINUS 20 OVERNIGHT.
WEDNESDAY..MAINLY CLOUDY. PERIODS OF SNOW BEGINNING LATE IN THE
MORNING. AMOUNT 2 CM. WIND BECOMING WEST 20 KM/H NEAR NOON. HIGH
MINUS 3. WIND CHILL MINUS 20 IN THE MORNING AND MINUS 9 IN THE
AFTERNOON. UV INDEX 1 OR LOW.
FORT GOOD HOPE REGION.
TODAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 4. WIND
CHILL MINUS 14 THIS MORNING AND MINUS 6 THIS AFTERNOON. UV INDEX 3
OR MODERATE.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS BEFORE MORNING. WIND UP
TO 15 KM/H. LOW MINUS 16. WIND CHILL MINUS 6 THIS EVENING AND
MINUS 22 OVERNIGHT.
WEDNESDAY..CLOUDY. SNOW BEGINNING EARLY IN THE MORNING AND ENDING IN
THE AFTERNOON. AMOUNT 2 TO 4 CM. WIND UP TO 15 KM/H. HIGH MINUS 5.
WIND CHILL MINUS 20 IN THE MORNING AND MINUS 10 IN THE AFTERNOON. UV
INDEX 2 OR LOW.
DELINE.
TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON. WIND UP
TO 15 KM/H. HIGH MINUS 5. WIND CHILL MINUS 16 THIS MORNING AND
MINUS 9 THIS AFTERNOON. UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 18. WIND CHILL
MINUS 9 THIS EVENING AND MINUS 24 OVERNIGHT.
WEDNESDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY NEAR NOON WITH
60 PERCENT CHANCE OF FLURRIES IN THE AFTERNOON. WIND UP TO 15 KM/H.
HIGH MINUS 6. WIND CHILL MINUS 22 IN THE MORNING AND MINUS 10 IN THE
AFTERNOON. UV INDEX 2 OR LOW.
COLVILLE LAKE.
TODAY..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES NEAR NOON THEN A MIX
OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 7. WIND CHILL
MINUS 19 THIS MORNING AND MINUS 12 THIS AFTERNOON. UV INDEX 2 OR
LOW.
TONIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 18. WIND CHILL
MINUS 12 THIS EVENING AND MINUS 22 OVERNIGHT.
WEDNESDAY..CLOUDY. 30 PERCENT CHANCE OF FLURRIES IN THE MORNING. SNOW
BEGINNING NEAR NOON. AMOUNT 2 CM. WIND UP TO 15 KM/H. HIGH MINUS 8.
WIND CHILL MINUS 22 IN THE MORNING AND MINUS 13 IN THE AFTERNOON. UV
INDEX 1 OR LOW.
END
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