498
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
SATURDAY 23 AUGUST 2025 FOR TONIGHT SUNDAY AND SUNDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT SUNDAY.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS BEFORE MORNING. LOW 13.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 26. HUMIDEX 29. UV INDEX 5 OR
MODERATE.
SUNDAY NIGHT..PARTLY CLOUDY. BECOMING CLEAR IN THE EVENING. LOW 11.
LUTSEL K'E REGION.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. LOW 12.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 22. UV INDEX 4 OR MODERATE.
SUNDAY NIGHT..PARTLY CLOUDY. LOW 14.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT. LOW 13.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 25. HUMIDEX 28. UV INDEX 4 OR
MODERATE.
SUNDAY NIGHT..A FEW CLOUDS. LOW 12.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..PARTLY CLOUDY. LOW 13.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 26. HUMIDEX 29. UV INDEX 4 OR
MODERATE.
SUNDAY NIGHT..A FEW CLOUDS. LOW 12.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..PARTLY CLOUDY. LOCAL SMOKE. LOW 12.
SUNDAY..A MIX OF SUN AND CLOUD. LOCAL SMOKE. HIGH 28. HUMIDEX 30. UV
INDEX 5 OR MODERATE.
SUNDAY NIGHT..A FEW CLOUDS. LOCAL SMOKE. LOW 12.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY THIS EVENING. LOW 14.
SUNDAY..MAINLY SUNNY. HIGH 28. HUMIDEX 30. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLEAR. LOW 14.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..A FEW CLOUDS. LOW 14.
SUNDAY..MAINLY SUNNY. HIGH 30. HUMIDEX 32. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..CLEAR. LOW 12.
YELLOWKNIFE REGION.
TONIGHT..INCREASING CLOUDINESS. WIND SOUTHEAST 30 KM/H BECOMING LIGHT
THIS EVENING. LOW 15.
SUNDAY..A MIX OF SUN AND CLOUD. LOCAL SMOKE IN THE AFTERNOON.
HIGH 23. HUMIDEX 26. UV INDEX 4 OR MODERATE.
SUNDAY NIGHT..PARTLY CLOUDY. LOW 14.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..PARTLY CLOUDY. LOCAL SMOKE. WIND SOUTHWEST 20 KM/H BECOMING
LIGHT EARLY THIS EVENING. LOW 14.
SUNDAY..A MIX OF SUN AND CLOUD. LOCAL SMOKE. HIGH 24. HUMIDEX 25. UV
INDEX 4 OR MODERATE.
SUNDAY NIGHT..PARTLY CLOUDY. LOCAL SMOKE. LOW 11.
WRIGLEY REGION.
TONIGHT..PARTLY CLOUDY. LOW 12.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 26. HUMIDEX 29. UV INDEX 4 OR
MODERATE.
SUNDAY NIGHT..PARTLY CLOUDY. LOW 14.
NORMAN WELLS - TULITA REGION.
TONIGHT..MAINLY CLOUDY. LOW 13.
SUNDAY..MAINLY CLOUDY. HIGH 22. HUMIDEX 25. UV INDEX 3 OR MODERATE.
SUNDAY NIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOCAL
SMOKE. LOW 11.
FORT GOOD HOPE REGION.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. LOW 14.
SUNDAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE IN THE
AFTERNOON. WIND WEST 20 KM/H BECOMING LIGHT IN THE AFTERNOON.
HIGH 18. UV INDEX 3 OR MODERATE.
SUNDAY NIGHT..PERIODS OF RAIN. AMOUNT 5 TO 10 MM. LOW 9.
DELINE.
TONIGHT..PARTLY CLOUDY. LOW 10.
SUNDAY..A MIX OF SUN AND CLOUD. LOCAL SMOKE IN THE AFTERNOON. WIND
BECOMING NORTHWEST 20 KM/H IN THE MORNING. HIGH 22. UV INDEX 4 OR
MODERATE.
SUNDAY NIGHT..MAINLY CLOUDY. LOCAL SMOKE. LOW 8.
COLVILLE LAKE.
TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. LOW 14.
SUNDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING
AND EARLY IN THE AFTERNOON. WIND WEST 20 KM/H BECOMING LIGHT IN THE
AFTERNOON. TEMPERATURE FALLING TO 10 IN THE AFTERNOON. UV INDEX 3 OR
MODERATE.
SUNDAY NIGHT..CLOUDY. PERIODS OF RAIN BEGINNING IN THE EVENING.
AMOUNT 5 TO 10 MM. LOW 6.
END
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