508
FPCN11 CWNT 042130
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT
MONDAY 4 AUGUST 2025 FOR TONIGHT TUESDAY AND TUESDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT TUESDAY.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. LOCAL SMOKE. LOW 13.
TUESDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY IN THE MORNING. WIND
BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 27.
HUMIDEX 28. UV INDEX 5 OR MODERATE.
TUESDAY NIGHT..CLEAR. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT IN THE EVENING. LOW 11.
LUTSEL K'E REGION.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. WIDESPREAD SMOKE. LOW 16.
TUESDAY..CLEARING IN THE MORNING. WIND BECOMING WEST 20 KM/H GUSTING
TO 40 IN THE AFTERNOON. HIGH 22. HUMIDEX 25. UV INDEX 5 OR MODERATE.
TUESDAY NIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT.
WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING.
LOW 12.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. CLEARING BEFORE MORNING. LOCAL SMOKE
THIS EVENING. LOW 14.
TUESDAY..MAINLY SUNNY. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40
IN THE AFTERNOON. HIGH 22. HUMIDEX 25. UV INDEX 5 OR MODERATE.
TUESDAY NIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT.
WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING.
LOW 11.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. CLEARING BEFORE MORNING. LOCAL SMOKE
THIS EVENING. LOW 12.
TUESDAY..SUNNY. WIND BECOMING WEST 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 22. HUMIDEX 25. UV INDEX 5 OR MODERATE.
TUESDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY IN THE EVENING. WIND
WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW 12.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..INCREASING CLOUDINESS THEN 60 PERCENT CHANCE OF SHOWERS OR
THUNDERSTORMS THIS EVENING. BECOMING PARTLY CLOUDY OVERNIGHT. RISK
OF A SEVERE THUNDERSTORM THIS EVENING. LOCAL SMOKE. LOW 11.
TUESDAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS LATE IN
THE MORNING AND IN THE AFTERNOON. WIND BECOMING NORTHWEST 20 KM/H
GUSTING TO 40 IN THE AFTERNOON. HIGH 22. UV INDEX 5 OR MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. BECOMING CLEAR IN THE EVENING. WIND
NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING.
LOW 6.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS OR THUNDERSTORMS THIS
EVENING. BECOMING PARTLY CLOUDY OVERNIGHT. RISK OF A SEVERE
THUNDERSTORM THIS EVENING. WIDESPREAD SMOKE. LOW 11.
TUESDAY..BECOMING CLOUDY IN THE MORNING WITH SHOWERS. LOCAL AMOUNT
5 MM. LOCAL SMOKE. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 IN
THE MORNING. HIGH 17. UV INDEX 2 OR LOW.
TUESDAY NIGHT..CLOUDY. BECOMING PARTLY CLOUDY IN THE EVENING. LOCAL
SMOKE. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE
EVENING. LOW 8.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A SEVERE THUNDERSTORM. LOW 15.
TUESDAY..MAINLY CLOUDY. HIGH 23. HUMIDEX 26. UV INDEX 5 OR MODERATE.
TUESDAY NIGHT..PARTLY CLOUDY. LOW 10.
YELLOWKNIFE REGION.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. CLEARING BEFORE MORNING. LOCAL SMOKE.
LOW 15.
TUESDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. 60 PERCENT
CHANCE OF SHOWERS LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL
SMOKE. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE MORNING.
HIGH 20. UV INDEX 3 OR MODERATE.
TUESDAY NIGHT..CLEARING LATE IN THE EVENING. LOCAL SMOKE. WIND
SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING.
LOW 11.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS EVENING
AND AFTER MIDNIGHT AND RISK OF A THUNDERSTORM. CLEARING BEFORE
MORNING. WIDESPREAD SMOKE. LOW 11.
TUESDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. 60 PERCENT
CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM.
WIDESPREAD SMOKE. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 IN
THE AFTERNOON. HIGH 15. UV INDEX 3 OR MODERATE.
TUESDAY NIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING AND RISK OF A THUNDERSTORM. CLEARING NEAR MIDNIGHT.
LOCAL SMOKE. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN
THE EVENING. LOW 6.
WRIGLEY REGION.
TONIGHT..PERIODS OF RAIN WITH THUNDERSTORMS. RISK OF A SEVERE
THUNDERSTORM THIS EVENING. AMOUNT 20 TO 30 MM. LOW 13.
TUESDAY..PERIODS OF RAIN ENDING IN THE AFTERNOON THEN CLOUDY. AMOUNT
20 TO 30 MM. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 IN THE
AFTERNOON. HIGH 17. UV INDEX 2 OR LOW.
TUESDAY NIGHT..CLOUDY. BECOMING PARTLY CLOUDY IN THE EVENING. WIND
NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING.
LOW 9.
NORMAN WELLS - TULITA REGION.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS OR DRIZZLE.
RISK OF A THUNDERSTORM EARLY THIS EVENING. LOW 10.
TUESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS OR
DRIZZLE IN THE MORNING. CLEARING LATE IN THE AFTERNOON. WIND
BECOMING WEST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 17. UV
INDEX 4 OR MODERATE.
TUESDAY NIGHT..CLEAR. INCREASING CLOUDINESS AFTER MIDNIGHT. WIND WEST
20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW 10.
FORT GOOD HOPE REGION.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. LOW 7.
TUESDAY..CLEARING IN THE MORNING. WIND BECOMING WEST 20 KM/H GUSTING
TO 40 IN THE AFTERNOON. HIGH 15. UV INDEX 4 OR MODERATE.
TUESDAY NIGHT..INCREASING CLOUDINESS LATE IN THE EVENING. WIND WEST
20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW 9.
DELINE.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS OR DRIZZLE.
LOW 10.
TUESDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS OR DRIZZLE
IN THE MORNING. CLEARING IN THE AFTERNOON. WIND BECOMING NORTHWEST
30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 13. UV INDEX 4 OR
MODERATE.
TUESDAY NIGHT..CLEAR. INCREASING CLOUDINESS AFTER MIDNIGHT. WIND
NORTHWEST 30 KM/H GUSTING TO 50 BECOMING LIGHT IN THE EVENING. LOW
PLUS 3.
COLVILLE LAKE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. LOW 7.
TUESDAY..CLEARING IN THE MORNING. WIND BECOMING NORTHWEST 20 KM/H
GUSTING TO 40 IN THE AFTERNOON. HIGH 11. UV INDEX 4 OR MODERATE.
TUESDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY OVERNIGHT. WIND
NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. LOW
PLUS 4.
END
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