357
FPCN11 CWNT 232130
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT
WEDNESDAY 23 SEPTEMBER 2026 FOR TONIGHT THURSDAY AND THURSDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT THURSDAY.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. LOW 6.
THURSDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 NEAR
NOON. HIGH 17. UV INDEX 2 OR LOW.
THURSDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. WIND
SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW
PLUS 5.
LUTSEL K'E REGION.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
EVENING AND AFTER MIDNIGHT WITH RISK OF A THUNDERSTORM. LOW 8.
THURSDAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H
GUSTING TO 40 NEAR NOON. HIGH 13. UV INDEX 1 OR LOW.
THURSDAY NIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS IN THE
EVENING. WIND SOUTHWEST 20 KM/H GUSTING TO 40. LOW 7.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. WIND SOUTHEAST 20 KM/H GUSTING TO 40
BECOMING LIGHT EARLY THIS EVENING. LOW 7.
THURSDAY..CLEARING IN THE MORNING. HIGH 14. UV INDEX 1 OR LOW.
THURSDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE IN
THE EVENING AND AFTER MIDNIGHT. LOW 6.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH
RISK OF A THUNDERSTORM. CLEARING BEFORE MORNING. LOW 6.
THURSDAY..MAINLY SUNNY. WIND BECOMING WEST 30 KM/H GUSTING TO 50 NEAR
NOON. HIGH 15. UV INDEX 1 OR LOW.
THURSDAY NIGHT..PARTLY CLOUDY. WIND WEST 30 KM/H GUSTING TO 50
BECOMING LIGHT IN THE EVENING. LOW PLUS 3.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW
PLUS 4.
THURSDAY..MAINLY CLOUDY. FOG PATCHES DISSIPATING IN THE MORNING.
HIGH 11. UV INDEX 1 OR LOW.
THURSDAY NIGHT..PARTLY CLOUDY. LOW ZERO.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING OVERNIGHT. LOW
PLUS 5.
THURSDAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE IN THE MORNING
AND IN THE AFTERNOON. FOG PATCHES DISSIPATING IN THE MORNING. WIND
BECOMING NORTHWEST 20 KM/H IN THE MORNING. HIGH 10. UV INDEX 1 OR
LOW.
THURSDAY NIGHT..PARTLY CLOUDY. CLEARING BEFORE MORNING. LOW PLUS 2.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING
THEN PARTLY CLOUDY. RISK OF A THUNDERSTORM EARLY THIS EVENING. LOW
PLUS 2.
THURSDAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H
GUSTING TO 40 IN THE MORNING. HIGH 17. UV INDEX 1 OR LOW.
THURSDAY NIGHT..A FEW CLOUDS. LOW MINUS 1.
YELLOWKNIFE REGION.
TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING AND
AFTER MIDNIGHT. RISK OF A THUNDERSTORM THIS EVENING. FOG PATCHES
DEVELOPING OVERNIGHT. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 7.
THURSDAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. FOG PATCHES DISSIPATING IN THE MORNING. WIND BECOMING
WEST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 10. UV INDEX 1 OR
LOW.
THURSDAY NIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE EVENING. CLEARING OVERNIGHT. WIND WEST 20 KM/H GUSTING TO 40
BECOMING LIGHT IN THE EVENING. LOW PLUS 2.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE THIS
EVENING AND OVERNIGHT WITH RISK OF A THUNDERSTORM. FOG PATCHES
DEVELOPING OVERNIGHT. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 6.
THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. FOG PATCHES
DISSIPATING IN THE MORNING. WIND BECOMING NORTHWEST 20 KM/H GUSTING
TO 40 IN THE AFTERNOON. HIGH 10. UV INDEX 1 OR LOW.
THURSDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE EVENING. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN
THE EVENING. LOW MINUS 1.
WRIGLEY REGION.
TONIGHT..BECOMING CLOUDY THIS EVENING WITH 60 PERCENT CHANCE OF
SHOWERS LATE THIS EVENING AND OVERNIGHT. LOW PLUS 5.
THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE MORNING
THEN A MIX OF SUN AND CLOUD. HIGH 10. UV INDEX 1 OR LOW.
THURSDAY NIGHT..PARTLY CLOUDY. BECOMING CLEAR NEAR MIDNIGHT. LOW
PLUS 2.
NORMAN WELLS - TULITA REGION.
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. WIND WEST
20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW ZERO.
THURSDAY..MAINLY CLOUDY. FOG PATCHES DISSIPATING IN THE MORNING.
HIGH 7. UV INDEX 1 OR LOW.
THURSDAY NIGHT..CLOUDY. BECOMING PARTLY CLOUDY IN THE EVENING. LOW
PLUS 1.
FORT GOOD HOPE REGION.
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW
MINUS 1.
THURSDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE
MORNING. HIGH 8. UV INDEX 1 OR LOW.
THURSDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 2. WIND
CHILL MINUS 6 OVERNIGHT.
DELINE.
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW PLUS 2.
THURSDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE
MORNING. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 NEAR NOON.
HIGH 9. UV INDEX 1 OR LOW.
THURSDAY NIGHT..PARTLY CLOUDY. LOW MINUS 1.
COLVILLE LAKE.
TONIGHT..PARTLY CLOUDY. FOG PATCHES DEVELOPING OVERNIGHT. LOW ZERO.
THURSDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND
BECOMING NORTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH PLUS 4. UV
INDEX 1 OR LOW.
THURSDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 2. WIND
CHILL MINUS 6 OVERNIGHT.
END
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