640
FPCN11 CWNT 182141
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT
SUNDAY 18 OCTOBER 2026 FOR TONIGHT MONDAY AND MONDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT MONDAY.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TONIGHT..A FEW CLOUDS. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT NEAR MIDNIGHT. LOW MINUS 3. WIND CHILL MINUS 8 OVERNIGHT.
MONDAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH PLUS 4. WIND CHILL
MINUS 8 IN THE MORNING. UV INDEX 1 OR LOW.
MONDAY NIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 3. WIND
CHILL MINUS 7 OVERNIGHT.
LUTSEL K'E REGION.
TONIGHT..PERIODS OF LIGHT SNOW ENDING THIS EVENING THEN CLOUDY WITH
30 PERCENT CHANCE OF FLURRIES. WIND WEST 30 KM/H GUSTING TO 50. LOW
MINUS 4. WIND CHILL MINUS 11 OVERNIGHT.
MONDAY..CLEARING NEAR NOON. WIND WEST 20 KM/H GUSTING TO 40. HIGH
MINUS 2. WIND CHILL MINUS 10 IN THE MORNING AND MINUS 5 IN THE
AFTERNOON.
MONDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. WIND UP TO
15 KM/H. LOW MINUS 7. WIND CHILL MINUS 5 IN THE EVENING AND MINUS 12
OVERNIGHT.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..PARTLY CLOUDY. WIND WEST 30 KM/H GUSTING TO 50. LOW ZERO.
MONDAY..A MIX OF SUN AND CLOUD. HIGH PLUS 3. UV INDEX 1 OR LOW.
MONDAY NIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 3. WIND
CHILL MINUS 7 OVERNIGHT.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 30 KM/H BECOMING LIGHT
OVERNIGHT. LOW MINUS 4. WIND CHILL MINUS 9 OVERNIGHT.
MONDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH PLUS 4. WIND
CHILL MINUS 9 IN THE MORNING. UV INDEX 1 OR LOW.
MONDAY NIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 2. WIND
CHILL MINUS 7 OVERNIGHT.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 6. WIND CHILL
MINUS 8 OVERNIGHT.
MONDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH PLUS 3. WIND
CHILL MINUS 8 IN THE MORNING. UV INDEX 1 OR LOW.
MONDAY NIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 5. WIND CHILL
MINUS 7 OVERNIGHT.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW MINUS 7. WIND CHILL MINUS 11 OVERNIGHT.
MONDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH PLUS 2. WIND
CHILL MINUS 10 IN THE MORNING. UV INDEX 1 OR LOW.
MONDAY NIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 4. WIND CHILL
MINUS 8 OVERNIGHT.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY THIS EVENING. WIND SOUTHWEST
20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW MINUS 5. WIND
CHILL MINUS 9 OVERNIGHT.
MONDAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H IN
THE AFTERNOON. HIGH 9. WIND CHILL MINUS 9 IN THE MORNING. UV INDEX 1
OR LOW.
MONDAY NIGHT..CLEAR. WIND SOUTHWEST 20 KM/H BECOMING LIGHT IN THE
EVENING. LOW MINUS 1.
YELLOWKNIFE REGION.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND WEST
30 KM/H GUSTING TO 50 BECOMING LIGHT OVERNIGHT. LOW MINUS 7. WIND
CHILL MINUS 13 OVERNIGHT.
MONDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 1.
WIND CHILL MINUS 13 IN THE MORNING AND MINUS 6 IN THE AFTERNOON. UV
INDEX 1 OR LOW.
MONDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 4. WIND
CHILL NEAR MINUS 9.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND
NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT OVERNIGHT. LOW
MINUS 5. WIND CHILL MINUS 10 OVERNIGHT.
MONDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF FLURRIES.
WIND UP TO 15 KM/H. HIGH MINUS 2. WIND CHILL NEAR MINUS 9. UV
INDEX 1 OR LOW.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND
UP TO 15 KM/H. LOW MINUS 5. WIND CHILL NEAR MINUS 9.
WRIGLEY REGION.
TONIGHT..CLOUDY. BECOMING PARTLY CLOUDY THIS EVENING. WIND NORTHWEST
20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW MINUS 7. WIND
CHILL MINUS 10 OVERNIGHT.
MONDAY..A MIX OF SUN AND CLOUD. CLEARING LATE IN THE AFTERNOON. WIND
UP TO 15 KM/H. HIGH ZERO. WIND CHILL MINUS 11 IN THE MORNING. UV
INDEX 1 OR LOW.
MONDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY OVERNIGHT. WIND UP TO 15
KM/H. LOW MINUS 7. WIND CHILL MINUS 13 OVERNIGHT.
NORMAN WELLS - TULITA REGION.
TONIGHT..CLOUDY. BECOMING PARTLY CLOUDY THIS EVENING. WIND WEST
20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW MINUS 6. WIND
CHILL MINUS 10 OVERNIGHT.
MONDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH ZERO. WIND
CHILL MINUS 10 IN THE MORNING.
MONDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY OVERNIGHT. WIND BECOMING
EAST 20 KM/H OVERNIGHT. LOW MINUS 4. WIND CHILL NEAR MINUS 9.
FORT GOOD HOPE REGION.
TONIGHT..MAINLY CLOUDY. WIND WEST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW MINUS 5. WIND CHILL NEAR MINUS 8.
MONDAY..MAINLY CLOUDY. CLEARING LATE IN THE AFTERNOON. WIND UP TO 15
KM/H. HIGH MINUS 1. WIND CHILL NEAR MINUS 7.
MONDAY NIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 4. WIND CHILL NEAR
MINUS 9.
DELINE.
TONIGHT..PERIODS OF LIGHT SNOW ENDING OVERNIGHT THEN MAINLY CLOUDY.
WIND UP TO 15 KM/H. LOW MINUS 5. WIND CHILL NEAR MINUS 9.
MONDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 2.
WIND CHILL NEAR MINUS 9.
MONDAY NIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 5. WIND
CHILL MINUS 6 IN THE EVENING AND MINUS 11 OVERNIGHT.
COLVILLE LAKE.
TONIGHT..PERIODS OF LIGHT SNOW ENDING OVERNIGHT THEN CLOUDY. WIND UP
TO 15 KM/H. LOW MINUS 9. WIND CHILL MINUS 7 THIS EVENING AND
MINUS 12 OVERNIGHT.
MONDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 4.
WIND CHILL NEAR MINUS 12.
MONDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. TEMPERATURE STEADY
NEAR MINUS 4. WIND CHILL NEAR MINUS 11.
END
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