141
FPCN11 CWNT 271630
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT
SUNDAY 27 SEPTEMBER 2026 FOR TODAY AND MONDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
AFTERNOON. CLEARING THIS AFTERNOON. WIND NORTHWEST 20 KM/H GUSTING
TO 40. HIGH 7. UV INDEX 1 OR LOW.
TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING OVERNIGHT. WIND
NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW
PLUS 1.
MONDAY..MAINLY SUNNY. INCREASING CLOUDINESS EARLY IN THE AFTERNOON.
FOG PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTH 20 KM/H
NEAR NOON. HIGH 12. UV INDEX 2 OR LOW.
LUTSEL K'E REGION.
TODAY..RAIN AT TIMES MIXED WITH SNOW. RAINFALL AMOUNT 5 MM. WIND
NORTHWEST 20 KM/H GUSTING TO 40. TEMPERATURE STEADY NEAR PLUS 2.
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF RAIN SHOWERS OR FLURRIES
EARLY THIS EVENING THEN PARTLY CLOUDY. FOG PATCHES DEVELOPING
OVERNIGHT. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT NEAR
MIDNIGHT. LOW MINUS 1. WIND CHILL MINUS 5 OVERNIGHT.
MONDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. FOG PATCHES
DISSIPATING IN THE MORNING. HIGH PLUS 4. UV INDEX 1 OR LOW.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS NEAR NOON. CLEARING
THIS AFTERNOON. WIND NORTHWEST 20 KM/H GUSTING TO 40. HIGH PLUS 5.
UV INDEX 1 OR LOW.
TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING OVERNIGHT. WIND
NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW
MINUS 2. WIND CHILL MINUS 7 OVERNIGHT.
MONDAY..MAINLY SUNNY. INCREASING CLOUDINESS EARLY IN THE AFTERNOON.
FOG PATCHES DISSIPATING IN THE MORNING. WIND BECOMING SOUTHEAST
20 KM/H IN THE MORNING. HIGH 10. WIND CHILL MINUS 7 IN THE MORNING.
UV INDEX 2 OR LOW.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..SUNNY. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT
NEAR NOON. HIGH 7. UV INDEX 2 OR LOW.
TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 1.
MONDAY..INCREASING CLOUDINESS. FOG PATCHES DISSIPATING IN THE
MORNING. WIND BECOMING SOUTH 20 KM/H IN THE MORNING. HIGH 12. UV
INDEX 2 OR LOW.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..SUNNY. HIGH 9. UV INDEX 2 OR LOW.
TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 1.
MONDAY..INCREASING CLOUDINESS. FOG PATCHES DISSIPATING IN THE
MORNING. HIGH 13. UV INDEX 2 OR LOW.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..MAINLY SUNNY. HIGH 10. UV INDEX 1 OR LOW.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT. LOW
PLUS 2.
MONDAY..CLEARING. HIGH 13. UV INDEX 1 OR LOW.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..A MIX OF SUN AND CLOUD. WIND SOUTHWEST 20 KM/H. HIGH 15. UV
INDEX 2 OR LOW.
TONIGHT..PARTLY CLOUDY. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW PLUS 3.
MONDAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H NEAR
NOON. HIGH 16. UV INDEX 2 OR LOW.
YELLOWKNIFE REGION.
TODAY..MAINLY CLOUDY. WIND NORTH 30 KM/H GUSTING TO 50. HIGH PLUS 5.
UV INDEX 1 OR LOW.
TONIGHT..CLEARING THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT.
WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING.
LOW MINUS 2. WIND CHILL MINUS 6 OVERNIGHT.
MONDAY..MAINLY SUNNY. INCREASING CLOUDINESS EARLY IN THE AFTERNOON.
FOG PATCHES DISSIPATING IN THE MORNING. WIND BECOMING EAST 20 KM/H
GUSTING TO 40 IN THE MORNING. HIGH 7. WIND CHILL MINUS 6 IN THE
MORNING. UV INDEX 1 OR LOW.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES EARLY THIS
AFTERNOON. WIND NORTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS
AFTERNOON. HIGH 6. UV INDEX 1 OR LOW.
TONIGHT..CLEARING THIS EVENING. FOG PATCHES DEVELOPING OVERNIGHT.
WIND UP TO 15 KM/H. LOW MINUS 3. WIND CHILL MINUS 7 OVERNIGHT.
MONDAY..MAINLY SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON THEN
30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. FOG PATCHES
DISSIPATING IN THE MORNING. WIND BECOMING EAST 20 KM/H GUSTING TO 40
IN THE MORNING. HIGH 6. WIND CHILL MINUS 8 IN THE MORNING. UV
INDEX 1 OR LOW.
WRIGLEY REGION.
TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHEAST 20 KM/H THIS
AFTERNOON. HIGH 9. UV INDEX 1 OR LOW.
TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING OVERNIGHT. WIND
SOUTHEAST 20 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 1.
MONDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. 60 PERCENT CHANCE
OF SHOWERS LATE IN THE MORNING AND IN THE AFTERNOON. FOG PATCHES
DISSIPATING NEAR NOON. HIGH 9. UV INDEX 1 OR LOW.
NORMAN WELLS - TULITA REGION.
TODAY..SUNNY. WIND SOUTHEAST 30 KM/H. HIGH 10. UV INDEX 1 OR LOW.
TONIGHT..A FEW CLOUDS. WIND EAST 30 KM/H. LOW PLUS 2.
MONDAY..MAINLY SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON THEN
30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. WIND EAST
20 KM/H. HIGH 7. UV INDEX 1 OR LOW.
FORT GOOD HOPE REGION.
TODAY..SUNNY. WIND BECOMING SOUTHEAST 20 KM/H THIS AFTERNOON.
HIGH 12. UV INDEX 1 OR LOW.
TONIGHT..A FEW CLOUDS. WIND SOUTHEAST 20 KM/H BECOMING LIGHT LATE
THIS EVENING. LOW PLUS 1.
MONDAY..MAINLY SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON. WIND
BECOMING EAST 20 KM/H IN THE MORNING. HIGH 8. UV INDEX 1 OR LOW.
DELINE.
TODAY..MAINLY SUNNY. WIND SOUTHEAST 30 KM/H. HIGH 8. UV INDEX 1 OR
LOW.
TONIGHT..A FEW CLOUDS. WIND SOUTHEAST 30 KM/H. LOW PLUS 1.
MONDAY..MAINLY SUNNY. INCREASING CLOUDINESS NEAR NOON THEN 60 PERCENT
CHANCE OF SHOWERS LATE IN THE AFTERNOON. WIND SOUTHEAST 30 KM/H.
HIGH PLUS 5. UV INDEX 1 OR LOW.
COLVILLE LAKE.
TODAY..A MIX OF SUN AND CLOUD. WIND SOUTHEAST 20 KM/H GUSTING TO 40.
HIGH 8. UV INDEX 1 OR LOW.
TONIGHT..PARTLY CLOUDY. WIND SOUTHEAST 30 KM/H. LOW PLUS 2.
MONDAY..MAINLY CLOUDY. WIND SOUTHEAST 20 KM/H. HIGH 6. UV INDEX 1 OR
LOW.
END
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