524
FPCN11 CWNT 180531 AAC
UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS
OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT
11:30 P.M. MDT THURSDAY 17 SEPTEMBER 2026 FOR TONIGHT FRIDAY AND
FRIDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT FRIDAY.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
EVENING AND AFTER MIDNIGHT WITH RISK OF A THUNDERSTORM. LOCAL SMOKE
BECOMING FOG PATCHES OVERNIGHT. LOW PLUS 3.
FRIDAY..A MIX OF SUN AND CLOUD. CLEARING EARLY IN THE AFTERNOON. FOG
PATCHES DISSIPATING IN THE MORNING. HIGH 14. UV INDEX 2 OR LOW.
FRIDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY OVERNIGHT. LOW 6.
YELLOWKNIFE REGION.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS OVERNIGHT. LOW PLUS 5.
FRIDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING.
CLEARING LATE IN THE AFTERNOON. HIGH 11. UV INDEX 2 OR LOW.
FRIDAY NIGHT..CLEAR. WIND BECOMING SOUTHEAST 20 KM/H OVERNIGHT. LOW
PLUS 5.
REMAINDER UNCHANGED.
END
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