774
FPCN11 CWNT 212132
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT
SUNDAY 21 JUNE 2026 FOR TONIGHT MONDAY AND MONDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT MONDAY.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. LOW 10.
MONDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF
SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.
RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 25. UV INDEX 6 OR
HIGH.
MONDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING AND AFTER MIDNIGHT WITH RISK OF A THUNDERSTORM. LOW 12.
LUTSEL K'E REGION.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS
EVENING. LOW 6.
MONDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF
SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.
RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 20. UV INDEX 5 OR
MODERATE.
MONDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING AND AFTER MIDNIGHT WITH RISK OF A THUNDERSTORM. LOW 8.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. LOW 9.
MONDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF
SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.
RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 23. UV INDEX 5 OR
MODERATE.
MONDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING AND AFTER MIDNIGHT WITH RISK OF A THUNDERSTORM. LOW 11.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
LOW 9.
MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 24. UV INDEX 6 OR HIGH.
MONDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE EVENING WITH RISK OF A THUNDERSTORM. LOW 14.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
LOW 11.
MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 27. UV INDEX 6 OR HIGH.
MONDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE EVENING WITH RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. LOW 11.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. CLEARING BEFORE MORNING.
LOW 13.
MONDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF
SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE IN THE
AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. HIGH 29.
HUMIDEX 30. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND
RISK OF A THUNDERSTORM. LOW 15.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. CLEARING BEFORE MORNING. LOW 6.
MONDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF
SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.
RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 30. HUMIDEX 32. UV
INDEX 6 OR HIGH.
MONDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING WITH RISK OF A THUNDERSTORM. LOW 11.
YELLOWKNIFE REGION.
TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. LOW 8.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 22. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY. BECOMING CLEAR NEAR MIDNIGHT. LOW 11.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS EVENING THEN
PARTLY CLOUDY. RISK OF A THUNDERSTORM THIS EVENING. LOW 11.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 24. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY. BECOMING CLEAR NEAR MIDNIGHT. LOW 12.
WRIGLEY REGION.
TONIGHT..A FEW CLOUDS. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 13.
MONDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF
SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.
RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 29. HUMIDEX 31. UV
INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND
RISK OF A THUNDERSTORM. LOW 14.
NORMAN WELLS - TULITA REGION.
TONIGHT..CLEAR. LOW 11.
MONDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF
SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON.
RISK OF A THUNDERSTORM IN THE AFTERNOON. LOCAL SMOKE IN THE
AFTERNOON. HIGH 27. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE
EVENING WITH RISK OF A THUNDERSTORM. LOCAL SMOKE IN THE EVENING.
LOW 12.
FORT GOOD HOPE REGION.
TONIGHT..SUNNY. LOCAL SMOKE. LOW 12.
MONDAY..MAINLY SUNNY. LOCAL SMOKE IN THE MORNING. HIGH 27. UV INDEX 5
OR MODERATE.
MONDAY NIGHT..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR MIDNIGHT.
LOW 17.
DELINE.
TONIGHT..A FEW CLOUDS. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 10.
MONDAY..SUNNY. HIGH 20. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..A FEW CLOUDS. LOW 10.
COLVILLE LAKE.
TONIGHT..MAINLY SUNNY. LOW 12.
MONDAY..SUNNY. LOCAL SMOKE. HIGH 23. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..MAINLY SUNNY. LOW 13.
END
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