987
FPCN11 CWNT 220146 AAA
UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS
OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT
7:45 P.M. MDT TUESDAY 21 APRIL 2026 FOR TONIGHT WEDNESDAY AND
WEDNESDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT
WEDNESDAY.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..PARTLY CLOUDY. WIND NORTHEAST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW MINUS 6. WIND CHILL MINUS 10 OVERNIGHT.
WEDNESDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES IN THE
MORNING. WIND UP TO 15 KM/H. HIGH 8. WIND CHILL MINUS 10 IN THE
MORNING. UV INDEX 2 OR LOW.
WEDNESDAY NIGHT..CLOUDY. 60 PERCENT CHANCE OF RAIN SHOWERS EARLY IN
THE EVENING. FLURRIES AT TIMES HEAVY BEGINNING IN THE EVENING.
SNOWFALL AMOUNT 2 TO 4 CM EXCEPT 5 CM IN A FEW LOCALITIES. WIND
BECOMING NORTHEAST 20 KM/H OVERNIGHT. LOW MINUS 2. WIND CHILL
MINUS 8 OVERNIGHT.
COLVILLE LAKE.
TONIGHT..INCREASING CLOUDINESS LATE THIS EVENING. WIND UP TO 15 KM/H.
LOW MINUS 18. WIND CHILL MINUS 16 THIS EVENING AND MINUS 22
OVERNIGHT.
WEDNESDAY..CLOUDY. SNOW BEGINNING IN THE MORNING. AMOUNT 2 CM. WIND
UP TO 15 KM/H. HIGH MINUS 10. WIND CHILL MINUS 22 IN THE MORNING AND
MINUS 15 IN THE AFTERNOON. UV INDEX 1 OR LOW.
WEDNESDAY NIGHT..LIGHT SNOW ENDING IN THE EVENING THEN CLEARING. WIND
UP TO 15 KM/H. LOW MINUS 23. WIND CHILL MINUS 18 IN THE EVENING AND
MINUS 30 OVERNIGHT. RISK OF FROSTBITE.
REMAINDER UNCHANGED.
END
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page