819
FPCN11 CWNT 220159 AAB
UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS
OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT
7:59 P.M. MDT FRIDAY 21 AUGUST 2026 FOR TONIGHT SATURDAY AND SATURDAY
NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT SATURDAY.
WRIGLEY REGION.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. LOCAL SMOKE THIS EVENING. LOW 13.
SATURDAY..INCREASING CLOUDINESS. 60 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTH 20 KM/H
IN THE AFTERNOON. HIGH 20. UV INDEX 3 OR MODERATE.
SATURDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE
EVENING THEN PARTLY CLOUDY. RISK OF A THUNDERSTORM EARLY IN THE
EVENING. WIND SOUTH 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 12.
NORMAN WELLS - TULITA REGION.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING
AND RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. LOW 11.
SATURDAY..INCREASING CLOUDINESS. SHOWERS BEGINNING NEAR NOON. AMOUNT
5 TO 10 MM. WIND BECOMING SOUTHEAST 20 KM/H NEAR NOON. HIGH 16. UV
INDEX 2 OR LOW.
SATURDAY NIGHT..RAIN. AMOUNT 15 TO 25 MM. WIND BECOMING WEST 30 KM/H
GUSTING TO 50 NEAR MIDNIGHT. LOW 12.
REMAINDER UNCHANGED.
END
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