245
FPCN11 CWNT 211030
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 21 APRIL 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..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES THIS MORNING.
WIND BECOMING NORTHWEST 20 KM/H NEAR NOON. 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..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO
15 KM/H. HIGH MINUS 3. WIND CHILL MINUS 20 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..MAINLY SUNNY. 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..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF FLURRIES.
WIND BECOMING NORTHWEST 20 KM/H NEAR NOON. HIGH MINUS 1. WIND CHILL
NEAR MINUS 9. UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW MINUS 11. WIND CHILL MINUS 7 THIS EVENING AND MINUS 14
OVERNIGHT.
WEDNESDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY NEAR NOON. WIND
BECOMING NORTH 20 KM/H IN THE AFTERNOON. HIGH ZERO. WIND CHILL
MINUS 12 IN THE MORNING. UV INDEX 3 OR MODERATE.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES THIS MORNING AND
EARLY THIS AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 1. WIND CHILL
MINUS 12 THIS MORNING AND MINUS 6 THIS AFTERNOON. 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..A MIX OF SUN AND CLOUD. 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. 30 PERCENT CHANCE OF FLURRIES THIS MORNING AND
EARLY THIS AFTERNOON. WIND UP TO 15 KM/H. HIGH ZERO. WIND CHILL
MINUS 10 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..CLOUDY. 30 PERCENT CHANCE OF FLURRIES EARLY THIS MORNING. WIND
UP TO 15 KM/H. HIGH ZERO. WIND CHILL MINUS 9 THIS MORNING. UV
INDEX 1 OR LOW.
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.
WIND NORTHEAST 20 KM/H BECOMING LIGHT EARLY THIS MORNING. HIGH
PLUS 5. WIND CHILL MINUS 8 THIS MORNING. 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. 30 PERCENT CHANCE OF FLURRIES EARLY THIS
MORNING. WIND UP TO 15 KM/H. HIGH MINUS 2. WIND CHILL MINUS 17 THIS
MORNING AND MINUS 6 THIS AFTERNOON. UV INDEX 3 OR MODERATE.
TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 12. WIND CHILL
MINUS 6 THIS EVENING AND MINUS 18 OVERNIGHT.
WEDNESDAY..MAINLY SUNNY. 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 24 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..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH PLUS 3. WIND
CHILL MINUS 15 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..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF FLURRIES LATE
THIS AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 2. WIND CHILL
MINUS 25 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 19 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..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 5. WIND
CHILL MINUS 22 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..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF FLURRIES EARLY
THIS MORNING. WIND UP TO 15 KM/H. HIGH MINUS 7. WIND CHILL MINUS 24
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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