946
FPCN11 CWNT 202130
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT
MONDAY 20 APRIL 2026 FOR TONIGHT TUESDAY AND TUESDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT TUESDAY.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TONIGHT..CLOUDY. SNOW BEGINNING THIS EVENING. LOCAL AMOUNT 2 TO 4 CM.
WIND UP TO 15 KM/H. LOW MINUS 5. WIND CHILL MINUS 9 OVERNIGHT.
TUESDAY..LIGHT SNOW ENDING NEAR NOON THEN CLOUDY WITH 30 PERCENT
CHANCE OF FLURRIES. WIND BECOMING NORTHWEST 20 KM/H NEAR NOON. HIGH
PLUS 1. WIND CHILL MINUS 9 IN THE MORNING. UV INDEX 2 OR LOW.
TUESDAY NIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND
NORTHWEST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW MINUS 7. WIND
CHILL MINUS 10 OVERNIGHT.
LUTSEL K'E REGION.
TONIGHT..CLOUDY. PERIODS OF SNOW BEGINNING THIS EVENING. LOCAL AMOUNT
2 CM. WIND NORTHEAST 20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW
MINUS 9. WIND CHILL NEAR MINUS 16.
TUESDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO
15 KM/H. HIGH MINUS 3. WIND CHILL MINUS 14 IN THE MORNING AND
MINUS 7 IN THE AFTERNOON. UV INDEX 3 OR MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 13. WIND
CHILL MINUS 8 IN THE EVENING AND MINUS 16 OVERNIGHT.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..CLOUDY. SNOW BEGINNING EARLY THIS EVENING. AMOUNT 2 TO 4 CM
EXCEPT LOCALLY 5 CM IN A FEW LOCALITIES. WIND UP TO 15 KM/H. LOW
MINUS 9. WIND CHILL NEAR MINUS 14.
TUESDAY..LIGHT SNOW ENDING IN THE MORNING THEN CLOUDY WITH 30 PERCENT
CHANCE OF FLURRIES. WIND BECOMING NORTHWEST 20 KM/H NEAR NOON. HIGH
MINUS 2. WIND CHILL MINUS 14 IN THE MORNING AND MINUS 8 IN THE
AFTERNOON. UV INDEX 1 OR LOW.
TUESDAY NIGHT..CLOUDY. BECOMING PARTLY CLOUDY IN THE EVENING. WIND
NORTHWEST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW MINUS 12. WIND
CHILL MINUS 7 IN THE EVENING AND MINUS 15 OVERNIGHT.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..SNOW ENDING OVERNIGHT THEN CLOUDY WITH 30 PERCENT CHANCE OF
FLURRIES. LOCAL AMOUNT 2 TO 4 CM. WIND EAST 20 KM/H BECOMING
NORTHWEST 20 NEAR MIDNIGHT. LOW MINUS 9. WIND CHILL MINUS 11 THIS
EVENING AND MINUS 17 OVERNIGHT.
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES IN THE MORNING
THEN A MIX OF SUN AND CLOUD. WIND NORTHWEST 20 KM/H BECOMING LIGHT
IN THE AFTERNOON. HIGH MINUS 1. WIND CHILL MINUS 17 IN THE MORNING
AND MINUS 6 IN THE AFTERNOON. UV INDEX 3 OR MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 11. WIND
CHILL MINUS 6 IN THE EVENING AND MINUS 14 OVERNIGHT.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..SNOW ENDING NEAR MIDNIGHT THEN CLOUDY WITH 30 PERCENT CHANCE
OF FLURRIES. AMOUNT 2 TO 4 CM. WIND UP TO 15 KM/H. LOW MINUS 9. WIND
CHILL MINUS 6 THIS EVENING AND MINUS 12 OVERNIGHT.
TUESDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES EARLY IN THE
MORNING. WIND UP TO 15 KM/H. HIGH PLUS 1. WIND CHILL MINUS 12 IN THE
MORNING. UV INDEX 2 OR LOW.
TUESDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 12. WIND
CHILL MINUS 15 OVERNIGHT.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..SNOW ENDING NEAR MIDNIGHT THEN CLOUDY WITH 30 PERCENT CHANCE
OF FLURRIES. AMOUNT 2 TO 4 CM. WIND UP TO 15 KM/H. LOW MINUS 8. WIND
CHILL MINUS 8 THIS EVENING AND MINUS 14 OVERNIGHT.
TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES EARLY IN THE
MORNING THEN A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH
PLUS 3. WIND CHILL MINUS 13 IN THE MORNING. UV INDEX 3 OR MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. BECOMING CLOUDY BEFORE MORNING WITH
30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. LOW MINUS 10.
WIND CHILL MINUS 13 OVERNIGHT.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..INCREASING CLOUDINESS. 40 PERCENT CHANCE OF FLURRIES
OVERNIGHT. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT EARLY
THIS EVENING. LOW MINUS 5. WIND CHILL MINUS 11 OVERNIGHT.
TUESDAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF FLURRIES. WIND UP TO
15 KM/H. HIGH PLUS 3. WIND CHILL MINUS 11 IN THE MORNING. UV INDEX 2
OR LOW.
TUESDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND
UP TO 15 KM/H. LOW MINUS 6. WIND CHILL MINUS 10 OVERNIGHT.
YELLOWKNIFE REGION.
TONIGHT..INCREASING CLOUDINESS. SNOW BEGINNING EARLY THIS EVENING AND
ENDING NEAR MIDNIGHT. AMOUNT 2 CM. WIND UP TO 15 KM/H. LOW MINUS 10.
WIND CHILL MINUS 12 THIS EVENING AND MINUS 17 OVERNIGHT.
TUESDAY..MAINLY CLOUDY. WIND UP TO 15 KM/H. HIGH ZERO. WIND CHILL
MINUS 17 IN THE MORNING. UV INDEX 3 OR MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 11. WIND
CHILL MINUS 16 OVERNIGHT.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND UP TO 15
KM/H. LOW MINUS 15. WIND CHILL MINUS 8 THIS EVENING AND MINUS 19
OVERNIGHT.
TUESDAY..MAINLY CLOUDY. WIND UP TO 15 KM/H. HIGH MINUS 3. WIND CHILL
MINUS 19 IN THE MORNING AND MINUS 7 IN THE AFTERNOON. UV INDEX 3 OR
MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 15. WIND
CHILL MINUS 7 IN THE EVENING AND MINUS 19 OVERNIGHT.
WRIGLEY REGION.
TONIGHT..LIGHT SNOW ENDING EARLY THIS EVENING THEN PARTLY CLOUDY.
WIND UP TO 15 KM/H. LOW MINUS 14. WIND CHILL MINUS 9 THIS EVENING
AND MINUS 17 OVERNIGHT.
TUESDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH PLUS 2.
WIND CHILL MINUS 17 IN THE MORNING. UV INDEX 2 OR LOW.
TUESDAY NIGHT..PARTLY CLOUDY. BECOMING CLOUDY OVERNIGHT WITH
60 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. LOW MINUS 11.
WIND CHILL MINUS 16 OVERNIGHT.
NORMAN WELLS - TULITA REGION.
TONIGHT..LIGHT SNOW ENDING EARLY THIS EVENING THEN PARTLY CLOUDY.
WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 19. WIND
CHILL MINUS 14 THIS EVENING AND MINUS 23 OVERNIGHT.
TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF FLURRIES LATE
IN THE AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 2. WIND CHILL
MINUS 23 IN THE MORNING AND MINUS 7 IN THE AFTERNOON. UV INDEX 3 OR
MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES IN THE
EVENING. WIND UP TO 15 KM/H. LOW MINUS 15. WIND CHILL MINUS 7 IN THE
EVENING AND MINUS 21 OVERNIGHT.
FORT GOOD HOPE REGION.
TONIGHT..LIGHT SNOW ENDING EARLY THIS EVENING THEN PARTLY CLOUDY.
WIND UP TO 15 KM/H. LOW MINUS 17. WIND CHILL MINUS 16 THIS EVENING
AND MINUS 21 OVERNIGHT.
TUESDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 3.
WIND CHILL MINUS 21 IN THE MORNING AND MINUS 5 IN THE AFTERNOON. UV
INDEX 3 OR MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 16. WIND
CHILL MINUS 5 IN THE EVENING AND MINUS 22 OVERNIGHT.
DELINE.
TONIGHT..LIGHT SNOW ENDING EARLY THIS EVENING THEN MAINLY CLOUDY.
WIND UP TO 15 KM/H. LOW MINUS 16. WIND CHILL NEAR MINUS 20.
TUESDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 6.
WIND CHILL MINUS 20 IN THE MORNING AND MINUS 10 IN THE AFTERNOON. UV
INDEX 3 OR MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 17. WIND
CHILL MINUS 10 IN THE EVENING AND MINUS 24 OVERNIGHT.
COLVILLE LAKE.
TONIGHT..LIGHT SNOW ENDING EARLY THIS EVENING THEN MAINLY CLOUDY.
60 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND UP TO 15 KM/H. LOW
MINUS 18. WIND CHILL MINUS 17 THIS EVENING AND MINUS 25 OVERNIGHT.
TUESDAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF FLURRIES EARLY IN THE
MORNING. WIND UP TO 15 KM/H. HIGH MINUS 7. WIND CHILL MINUS 25 IN
THE MORNING AND MINUS 12 IN THE AFTERNOON. UV INDEX 2 OR LOW.
TUESDAY NIGHT..MAINLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 19. WIND
CHILL MINUS 12 IN THE EVENING AND MINUS 23 OVERNIGHT.
END
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page