FPCN11 CWNT 212314 AAA

UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS

OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT

5:14 P.M. MDT SATURDAY 21 MARCH 2026 FOR TONIGHT SUNDAY AND SUNDAY

NIGHT.

THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT SUNDAY.



FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.

TONIGHT..CLEAR. INCREASING CLOUDINESS AFTER MIDNIGHT. WIND NORTHWEST

 20 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 24. WIND CHILL NEAR

 MINUS 32. RISK OF FROSTBITE.

SUNDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND

 BECOMING NORTHWEST 20 KM/H NEAR NOON. HIGH MINUS 16. WIND CHILL

 MINUS 34 IN THE MORNING AND MINUS 25 IN THE AFTERNOON. RISK OF

 FROSTBITE. UV INDEX 1 OR LOW.

SUNDAY NIGHT..MAINLY CLOUDY. WIND NORTHWEST 20 KM/H BECOMING LIGHT IN

 THE EVENING. LOW MINUS 27. WIND CHILL MINUS 24 IN THE EVENING AND

 MINUS 32 OVERNIGHT. RISK OF FROSTBITE.



FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.

TONIGHT..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF FLURRIES

 OVERNIGHT. WIND NORTHEAST 20 KM/H. LOW MINUS 20. WIND CHILL MINUS 20

 THIS EVENING AND MINUS 30 OVERNIGHT. RISK OF FROSTBITE.

SUNDAY..CLOUDY. 30 PERCENT CHANCE OF FLURRIES EARLY IN THE MORNING.

 PERIODS OF LIGHT SNOW BEGINNING IN THE MORNING. WIND NORTHEAST

 20 KM/H BECOMING LIGHT IN THE AFTERNOON. HIGH MINUS 13. WIND CHILL

 MINUS 30 IN THE MORNING AND MINUS 20 IN THE AFTERNOON. RISK OF

 FROSTBITE.

SUNDAY NIGHT..PERIODS OF LIGHT SNOW ENDING IN THE EVENING THEN MAINLY

 CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. LOW

 MINUS 19. WIND CHILL MINUS 20 IN THE EVENING AND MINUS 27 OVERNIGHT.



NORMAN WELLS - TULITA REGION.

TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND WEST

 40 KM/H GUSTING TO 60 DIMINISHING TO 20 GUSTING TO 40 THIS EVENING

 THEN BECOMING LIGHT LATE THIS EVENING. LOW MINUS 28. WIND CHILL

 MINUS 28 THIS EVENING AND MINUS 39 OVERNIGHT. RISK OF FROSTBITE.

SUNDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF FLURRIES IN THE

 MORNING. WIND UP TO 15 KM/H. HIGH MINUS 19. WIND CHILL MINUS 39 IN

 THE MORNING AND MINUS 28 IN THE AFTERNOON. RISK OF FROSTBITE. UV

 INDEX 1 OR LOW.

SUNDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 30. WIND

 CHILL MINUS 27 IN THE EVENING AND MINUS 36 OVERNIGHT. RISK OF

 FROSTBITE.



DELINE.

TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES THIS EVENING THEN

 PARTLY CLOUDY. WIND NORTHWEST 30 KM/H GUSTING TO 50 BECOMING LIGHT

 OVERNIGHT. LOW MINUS 27. WIND CHILL MINUS 29 THIS EVENING AND

 MINUS 38 OVERNIGHT. RISK OF FROSTBITE.

SUNDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 21.

 WIND CHILL MINUS 38 IN THE MORNING AND MINUS 30 IN THE AFTERNOON.

 RISK OF FROSTBITE. UV INDEX 1 OR LOW.

SUNDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 32. WIND

 CHILL MINUS 30 IN THE EVENING AND MINUS 41 OVERNIGHT. FROSTBITE IN

 MINUTES.



COLVILLE LAKE.

TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES THIS EVENING.

 WIND NORTHWEST 30 KM/H GUSTING TO 50 BECOMING LIGHT THIS EVENING.

 LOW MINUS 30. WIND CHILL MINUS 33 THIS EVENING AND MINUS 39

 OVERNIGHT. RISK OF FROSTBITE.

SUNDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 21.

 WIND CHILL MINUS 39 IN THE MORNING AND MINUS 28 IN THE AFTERNOON.

 RISK OF FROSTBITE. UV INDEX 1 OR LOW.

SUNDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 34. WIND

 CHILL MINUS 28 IN THE EVENING AND MINUS 44 OVERNIGHT. FROSTBITE IN

 MINUTES.



REMAINDER UNCHANGED.



END