059
FPCN11 CWNT 182130
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 18 JULY 2026 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..CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS EVENING AND
OVERNIGHT WITH RISK OF A THUNDERSTORM. WIDESPREAD SMOKE. LOW 19.
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND
RISK OF A THUNDERSTORM. LOCAL SMOKE. HIGH 27. HUMIDEX 32. UV INDEX 6
OR HIGH.
SUNDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE EVENING WITH RISK OF A THUNDERSTORM. WIDESPREAD SMOKE. WIND
NORTH 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 15.
LUTSEL K'E REGION.
TONIGHT..WIDESPREAD SMOKE. WIND NORTHEAST 20 KM/H BECOMING LIGHT
EARLY THIS EVENING. LOW 17.
SUNDAY..WIDESPREAD SMOKE. WIND NORTHEAST 20 KM/H. HIGH 25. HUMIDEX
27. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..WIDESPREAD SMOKE. WIND NORTHEAST 20 KM/H BECOMING LIGHT
IN THE EVENING. LOW 16.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS EVENING AND
OVERNIGHT WITH RISK OF A THUNDERSTORM. WIDESPREAD SMOKE. WIND
SOUTHEAST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 17.
SUNDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY IN THE
MORNING AND RISK OF A THUNDERSTORM. CLEARING IN THE MORNING.
WIDESPREAD SMOKE IN THE AFTERNOON. WIND BECOMING NORTH 20 KM/H IN
THE AFTERNOON. HIGH 26. HUMIDEX 30. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..WIDESPREAD SMOKE. WIND NORTH 20 KM/H BECOMING LIGHT IN
THE EVENING. LOW 14.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. WIDESPREAD SMOKE. WIND EAST 20 KM/H BECOMING LIGHT
NEAR MIDNIGHT. LOW 18.
SUNDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE
MORNING WITH RISK OF A THUNDERSTORM. WIDESPREAD SMOKE. WIND BECOMING
NORTH 20 KM/H NEAR NOON. HIGH 25. HUMIDEX 30. UV INDEX 5 OR
MODERATE.
SUNDAY NIGHT..WIDESPREAD SMOKE. WIND NORTHWEST 20 KM/H. LOW 17.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. WIDESPREAD SMOKE. LOW 16.
SUNDAY..WIDESPREAD SMOKE. WIND BECOMING NORTHWEST 20 KM/H NEAR NOON.
HIGH 25. HUMIDEX 27. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..WIDESPREAD SMOKE. WIND NORTHWEST 20 KM/H BECOMING LIGHT
IN THE EVENING. LOW 16.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
EVENING AND OVERNIGHT WITH RISK OF A THUNDERSTORM. WIDESPREAD SMOKE.
LOW 17.
SUNDAY..WIDESPREAD SMOKE. WIND NORTHWEST 30 KM/H. HIGH 22. UV INDEX 4
OR MODERATE.
SUNDAY NIGHT..WIDESPREAD SMOKE. WIND NORTHWEST 20 KM/H BECOMING LIGHT
IN THE EVENING. LOW 14.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. WIDESPREAD SMOKE. LOW 17.
SUNDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS.
RISK OF A THUNDERSTORM. WIDESPREAD SMOKE. WIND NORTH 20 KM/H.
HIGH 26. HUMIDEX 30. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING AND RISK OF A THUNDERSTORM. CLEARING IN THE EVENING.
WIDESPREAD SMOKE. LOW 15.
YELLOWKNIFE REGION.
TONIGHT..WIDESPREAD SMOKE. WIND SOUTHEAST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 18.
SUNDAY..WIDESPREAD SMOKE. WIND NORTHEAST 20 KM/H BECOMING NORTHWEST
20 NEAR NOON. HIGH 27. HUMIDEX 29. UV INDEX 5 OR MODERATE.
SUNDAY NIGHT..WIDESPREAD SMOKE. WIND NORTHWEST 20 KM/H BECOMING LIGHT
IN THE EVENING. LOW 18.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..WIDESPREAD SMOKE. WIND BECOMING NORTH 20 KM/H OVERNIGHT.
LOW 15.
SUNDAY..WIDESPREAD SMOKE. WIND NORTH 20 KM/H. HIGH 26. HUMIDEX 27. UV
INDEX 5 OR MODERATE.
SUNDAY NIGHT..WIDESPREAD SMOKE. WIND NORTH 20 KM/H BECOMING LIGHT
NEAR MIDNIGHT. LOW 14.
WRIGLEY REGION.
TONIGHT..CLEAR EARLY THIS EVENING THEN PARTLY CLOUDY WITH 30 PERCENT
CHANCE OF SHOWERS LATE THIS EVENING AND OVERNIGHT. RISK OF A
THUNDERSTORM LATE THIS EVENING AND AFTER MIDNIGHT. WIDESPREAD SMOKE.
WIND BECOMING NORTH 20 KM/H THIS EVENING. LOW 17.
SUNDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING. BECOMING
A MIX OF SUN AND CLOUD IN THE AFTERNOON. LOCAL SMOKE. WIND BECOMING
NORTHWEST 20 KM/H IN THE MORNING. HIGH 25. HUMIDEX 28. UV INDEX 4 OR
MODERATE.
SUNDAY NIGHT..CLEARING LATE IN THE EVENING. LOCAL SMOKE. WIND
NORTHWEST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 13.
NORMAN WELLS - TULITA REGION.
TONIGHT..CLEAR. INCREASING CLOUDINESS THIS EVENING THEN 30 PERCENT
CHANCE OF SHOWERS LATE THIS EVENING AND OVERNIGHT. RISK OF A
THUNDERSTORM LATE THIS EVENING. HAZY THIS EVENING. WIND BECOMING
WEST 20 KM/H EARLY THIS EVENING. LOW 14.
SUNDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY IN THE
MORNING. CLEARING IN THE MORNING. WIND WEST 20 KM/H. HIGH 25.
HUMIDEX 27. UV INDEX 4 OR MODERATE.
SUNDAY NIGHT..CLEAR. WIND WEST 20 KM/H BECOMING LIGHT IN THE EVENING.
LOW 11.
FORT GOOD HOPE REGION.
TONIGHT..PARTLY CLOUDY. LOW 14.
SUNDAY..CLEARING LATE IN THE MORNING. HIGH 26. HUMIDEX 28. UV INDEX 4
OR MODERATE.
SUNDAY NIGHT..CLEAR. LOW 12.
DELINE.
TONIGHT..CLEAR. HAZY THIS EVENING. LOW 10.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 19. UV INDEX 4 OR MODERATE.
SUNDAY NIGHT..CLEAR. LOW 10.
COLVILLE LAKE.
TONIGHT..PARTLY CLOUDY. LOW 12.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 23. HUMIDEX 25. UV INDEX 4 OR
MODERATE.
SUNDAY NIGHT..PARTLY CLOUDY. LOW 13.
END
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