619
FPCN11 CWNT 252151
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT
SATURDAY 25 APRIL 2026 FOR TONIGHT SUNDAY AND SUNDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT SUNDAY.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TONIGHT..MAINLY CLOUDY. WIND NORTHEAST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW MINUS 10. WIND CHILL MINUS 15 OVERNIGHT.
SUNDAY..MAINLY CLOUDY. WIND UP TO 15 KM/H. HIGH MINUS 2. WIND CHILL
MINUS 15 IN THE MORNING AND MINUS 6 IN THE AFTERNOON. UV INDEX 4 OR
MODERATE.
SUNDAY NIGHT..MAINLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 9. WIND
CHILL MINUS 6 IN THE EVENING AND MINUS 12 OVERNIGHT.
LUTSEL K'E REGION.
TONIGHT..MAINLY CLOUDY. WIND NORTHEAST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW MINUS 8. WIND CHILL MINUS 8 THIS EVENING AND MINUS 14
OVERNIGHT.
SUNDAY..MAINLY CLOUDY. WIND BECOMING NORTHEAST 20 KM/H NEAR NOON.
HIGH MINUS 2. WIND CHILL MINUS 14 IN THE MORNING AND MINUS 8 IN THE
AFTERNOON. UV INDEX 3 OR MODERATE.
SUNDAY NIGHT..MAINLY CLOUDY. WIND NORTHEAST 20 KM/H BECOMING LIGHT IN
THE EVENING. LOW MINUS 9. WIND CHILL MINUS 8 IN THE EVENING AND
MINUS 14 OVERNIGHT.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..MAINLY CLOUDY. WIND NORTH 20 KM/H BECOMING LIGHT THIS
EVENING. LOW MINUS 9. WIND CHILL MINUS 14 OVERNIGHT.
SUNDAY..MAINLY CLOUDY. WIND UP TO 15 KM/H. HIGH MINUS 1. WIND CHILL
MINUS 14 IN THE MORNING AND MINUS 5 IN THE AFTERNOON. UV INDEX 3 OR
MODERATE.
SUNDAY NIGHT..MAINLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 7. WIND
CHILL MINUS 5 IN THE EVENING AND MINUS 12 OVERNIGHT.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 12. WIND CHILL
MINUS 6 THIS EVENING AND MINUS 18 OVERNIGHT.
SUNDAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 3. WIND CHILL
MINUS 18 IN THE MORNING AND MINUS 8 IN THE AFTERNOON. UV INDEX 4 OR
MODERATE.
SUNDAY NIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 12. WIND
CHILL MINUS 8 IN THE EVENING AND MINUS 18 OVERNIGHT.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 11. WIND CHILL
MINUS 14 OVERNIGHT.
SUNDAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH PLUS 1. WIND CHILL
MINUS 14 IN THE MORNING. UV INDEX 4 OR MODERATE.
SUNDAY NIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 14. WIND
CHILL MINUS 6 IN THE EVENING AND MINUS 17 OVERNIGHT.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..MAINLY CLOUDY. CLEARING NEAR MIDNIGHT. WIND SOUTHEAST
20 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 5. WIND CHILL MINUS 9
OVERNIGHT.
SUNDAY..SUNNY. WIND UP TO 15 KM/H. HIGH 7. WIND CHILL MINUS 9 IN THE
MORNING. UV INDEX 3 OR MODERATE.
SUNDAY NIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 7. WIND CHILL
MINUS 12 OVERNIGHT.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..CLOUDY. BECOMING PARTLY CLOUDY THIS EVENING. WIND UP TO 15
KM/H. LOW MINUS 6. WIND CHILL MINUS 10 OVERNIGHT.
SUNDAY..A MIX OF SUN AND CLOUD. CLEARING NEAR NOON. WIND UP TO 15
KM/H. HIGH 10. WIND CHILL MINUS 10 IN THE MORNING. UV INDEX 3 OR
MODERATE.
SUNDAY NIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 6. WIND CHILL
MINUS 10 OVERNIGHT.
YELLOWKNIFE REGION.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT. WIND
EAST 20 KM/H BECOMING LIGHT OVERNIGHT. LOW MINUS 9. WIND CHILL
MINUS 16 OVERNIGHT.
SUNDAY..MAINLY CLOUDY. WIND UP TO 15 KM/H. HIGH MINUS 1. WIND CHILL
MINUS 16 IN THE MORNING AND MINUS 6 IN THE AFTERNOON. UV INDEX 3 OR
MODERATE.
SUNDAY NIGHT..MAINLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 8. WIND
CHILL MINUS 6 IN THE EVENING AND MINUS 14 OVERNIGHT.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY THIS EVENING. WIND UP TO 15
KM/H. LOW MINUS 8. WIND CHILL MINUS 13 OVERNIGHT.
SUNDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 2.
WIND CHILL MINUS 13 IN THE MORNING AND MINUS 7 IN THE AFTERNOON. UV
INDEX 4 OR MODERATE.
SUNDAY NIGHT..MAINLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 8. WIND
CHILL NEAR MINUS 13.
WRIGLEY REGION.
TONIGHT..PARTLY CLOUDY. WIND SOUTHEAST 20 KM/H. LOW MINUS 2.
SUNDAY..MAINLY CLOUDY. WIND SOUTHEAST 20 KM/H. HIGH 6. WIND CHILL
MINUS 8 IN THE MORNING. UV INDEX 3 OR MODERATE.
SUNDAY NIGHT..MAINLY CLOUDY. CLEARING OVERNIGHT. WIND UP TO 15 KM/H.
LOW MINUS 2. WIND CHILL MINUS 7 OVERNIGHT.
NORMAN WELLS - TULITA REGION.
TONIGHT..INCREASING CLOUDINESS THIS EVENING. WIND SOUTHEAST 20 KM/H
BECOMING LIGHT NEAR MIDNIGHT. LOW PLUS 1.
SUNDAY..CLOUDY. HIGH PLUS 5. UV INDEX 2 OR LOW.
SUNDAY NIGHT..CLOUDY. LOW ZERO.
FORT GOOD HOPE REGION.
TONIGHT..BECOMING CLOUDY THIS EVENING. 30 PERCENT CHANCE OF RAIN
SHOWERS OR FLURRIES OVERNIGHT. LOW PLUS 1.
SUNDAY..CLOUDY WITH 30 PERCENT CHANCE OF RAIN SHOWERS OR FLURRIES.
HIGH PLUS 4. UV INDEX 2 OR LOW.
SUNDAY NIGHT..CLOUDY. 30 PERCENT CHANCE OF RAIN SHOWERS OR FLURRIES
CHANGING TO 40 PERCENT CHANCE OF FLURRIES NEAR MIDNIGHT. LOW ZERO.
DELINE.
TONIGHT..MAINLY CLOUDY. WIND SOUTHEAST 20 KM/H. LOW MINUS 4. WIND
CHILL MINUS 9 OVERNIGHT.
SUNDAY..MAINLY CLOUDY. WIND SOUTHEAST 30 KM/H. HIGH PLUS 1. WIND
CHILL NEAR MINUS 10. UV INDEX 3 OR MODERATE.
SUNDAY NIGHT..MAINLY CLOUDY. WIND SOUTHEAST 20 KM/H BECOMING LIGHT
NEAR MIDNIGHT. LOW MINUS 4. WIND CHILL MINUS 9 OVERNIGHT.
COLVILLE LAKE.
TONIGHT..INCREASING CLOUDINESS THIS EVENING. WIND SOUTHEAST 20 KM/H.
LOW MINUS 3. WIND CHILL MINUS 9 OVERNIGHT.
SUNDAY..CLOUDY. 30 PERCENT CHANCE OF FLURRIES LATE IN THE MORNING AND
IN THE AFTERNOON. WIND SOUTHEAST 20 KM/H BECOMING LIGHT IN THE
AFTERNOON. HIGH PLUS 2. WIND CHILL MINUS 9 IN THE MORNING. UV
INDEX 1 OR LOW.
SUNDAY NIGHT..PERIODS OF SNOW. AMOUNT 2 CM. WIND UP TO 15 KM/H. LOW
MINUS 3. WIND CHILL MINUS 7 OVERNIGHT.
END
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