718
FPCN11 CWNT 172131
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 17 OCTOBER 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. CLEARING BEFORE MORNING. WIND BECOMING
NORTHWEST 20 KM/H THIS EVENING. LOW PLUS 1.
SUNDAY..MAINLY SUNNY. WIND WEST 30 KM/H GUSTING TO 50. HIGH 8. UV
INDEX 1 OR LOW.
SUNDAY NIGHT..A FEW CLOUDS. WIND WEST 30 KM/H GUSTING TO 50 BECOMING
LIGHT IN THE EVENING. LOW MINUS 2. WIND CHILL MINUS 6 OVERNIGHT.
LUTSEL K'E REGION.
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY OVERNIGHT. WIND BECOMING WEST
20 KM/H THIS EVENING. LOW PLUS 2.
SUNDAY..CLOUDY. RAIN SHOWERS AND FLURRIES BEGINNING EARLY IN THE
MORNING AND ENDING LATE IN THE AFTERNOON. WIND WEST 20 KM/H
INCREASING TO 40 GUSTING TO 60 IN THE MORNING. TEMPERATURE STEADY
NEAR PLUS 2.
SUNDAY NIGHT..MAINLY CLOUDY. WIND WEST 40 KM/H GUSTING TO 60
DIMINISHING TO 20 IN THE EVENING. LOW MINUS 2. WIND CHILL MINUS 8
OVERNIGHT.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..PARTLY CLOUDY. WIND BECOMING NORTHWEST 20 KM/H THIS EVENING.
LOW PLUS 3.
SUNDAY..A MIX OF SUN AND CLOUD. WIND NORTHWEST 30 KM/H GUSTING TO 50.
HIGH 7. UV INDEX 1 OR LOW.
SUNDAY NIGHT..A FEW CLOUDS. WIND NORTHWEST 30 KM/H GUSTING TO 50
BECOMING LIGHT OVERNIGHT. LOW MINUS 1.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..A FEW CLOUDS. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING.
LOW PLUS 2.
SUNDAY..MAINLY SUNNY. WIND BECOMING WEST 20 KM/H GUSTING TO 40 IN THE
MORNING. HIGH 7. UV INDEX 1 OR LOW.
SUNDAY NIGHT..PARTLY CLOUDY. WIND WEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT IN THE EVENING. LOW MINUS 1.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY THIS EVENING. LOW MINUS 1.
SUNDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY IN THE MORNING.
HIGH 6. UV INDEX 1 OR LOW.
SUNDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY OVERNIGHT. LOW MINUS 5.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR OVERNIGHT. WIND NORTHWEST
20 KM/H BECOMING LIGHT OVERNIGHT. LOW MINUS 4. WIND CHILL MINUS 8
OVERNIGHT.
SUNDAY..SUNNY. WIND BECOMING NORTHWEST 20 KM/H IN THE AFTERNOON. HIGH
PLUS 5. WIND CHILL MINUS 8 IN THE MORNING. UV INDEX 1 OR LOW.
SUNDAY NIGHT..INCREASING CLOUDINESS LATE IN THE EVENING. WIND
NORTHWEST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW MINUS 5. WIND
CHILL MINUS 9 OVERNIGHT.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..CLEAR. WIND SOUTHWEST 20 KM/H GUSTING TO 40. LOW PLUS 3.
SUNDAY..SUNNY. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN
THE AFTERNOON. HIGH 12. UV INDEX 1 OR LOW.
SUNDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY IN THE EVENING. WIND UP
TO 15 KM/H. LOW MINUS 3. WIND CHILL MINUS 7 OVERNIGHT.
YELLOWKNIFE REGION.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT. WIND
WEST 20 KM/H. LOW PLUS 1.
SUNDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES OR RAIN
SHOWERS. WIND WEST 30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR
PLUS 2.
SUNDAY NIGHT..CLEARING IN THE EVENING. WIND WEST 30 KM/H GUSTING TO
50 BECOMING LIGHT OVERNIGHT. LOW MINUS 5. WIND CHILL MINUS 11
OVERNIGHT.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF RAIN SHOWERS CHANGING TO
30 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND WEST 20 KM/H GUSTING
TO 40. LOW ZERO.
SUNDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND WEST
30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR ZERO.
SUNDAY NIGHT..MAINLY CLOUDY. WIND NORTHWEST 20 KM/H BECOMING LIGHT
OVERNIGHT. LOW MINUS 4. WIND CHILL MINUS 10 OVERNIGHT.
WRIGLEY REGION.
TONIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 5. WIND CHILL
MINUS 9 OVERNIGHT.
SUNDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH PLUS 3. WIND
CHILL MINUS 9 IN THE MORNING.
SUNDAY NIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 8. WIND
CHILL MINUS 11 OVERNIGHT.
NORMAN WELLS - TULITA REGION.
TONIGHT..LIGHT SNOW. AMOUNT 2 CM. WIND WEST 20 KM/H. LOW MINUS 1.
WIND CHILL MINUS 7 OVERNIGHT.
SUNDAY..LIGHT SNOW ENDING IN THE MORNING THEN CLOUDY. WIND WEST
20 KM/H. HIGH PLUS 1. WIND CHILL MINUS 7 IN THE MORNING.
SUNDAY NIGHT..PARTLY CLOUDY. WIND WEST 20 KM/H BECOMING LIGHT IN THE
EVENING. LOW MINUS 7. WIND CHILL MINUS 11 OVERNIGHT.
FORT GOOD HOPE REGION.
TONIGHT..LIGHT SNOW. AMOUNT 2 CM. WIND WEST 20 KM/H GUSTING TO 40.
LOW MINUS 1. WIND CHILL MINUS 7 OVERNIGHT.
SUNDAY..LIGHT SNOW ENDING IN THE MORNING THEN CLOUDY. WIND WEST
20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE AFTERNOON. TEMPERATURE
FALLING TO MINUS 3 IN THE AFTERNOON. WIND CHILL NEAR MINUS 8.
SUNDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. TEMPERATURE STEADY
NEAR MINUS 5. WIND CHILL MINUS 9 IN THE EVENING.
DELINE.
TONIGHT..CLOUDY. LIGHT SNOW BEGINNING EARLY THIS EVENING. AMOUNT
2 CM. WIND NORTHWEST 20 KM/H GUSTING TO 40. TEMPERATURE STEADY
NEAR ZERO.
SUNDAY..SNOW. AMOUNT 2 TO 4 CM. WIND NORTHWEST 20 KM/H GUSTING TO 40.
TEMPERATURE STEADY NEAR MINUS 1. WIND CHILL NEAR MINUS 7.
SUNDAY NIGHT..LIGHT SNOW ENDING IN THE EVENING THEN CLEARING. WIND
NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW
MINUS 8. WIND CHILL MINUS 7 IN THE EVENING AND MINUS 13 OVERNIGHT.
COLVILLE LAKE.
TONIGHT..SNOW. AMOUNT 5 CM. WIND UP TO 15 KM/H. LOW MINUS 4. WIND
CHILL MINUS 9 OVERNIGHT.
SUNDAY..LIGHT SNOW ENDING IN THE AFTERNOON THEN CLOUDY. AMOUNT 2 CM.
WIND BECOMING NORTHWEST 20 KM/H IN THE MORNING. HIGH MINUS 2. WIND
CHILL NEAR MINUS 10.
SUNDAY NIGHT..CLOUDY. BECOMING PARTLY CLOUDY IN THE EVENING. WIND
NORTHWEST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW MINUS 7. WIND
CHILL NEAR MINUS 12.
END
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