032
FPCN11 CWNT 212130
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT
THURSDAY 21 MAY 2026 FOR TONIGHT FRIDAY AND FRIDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT FRIDAY.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. WIND SOUTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW 9.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 21. UV INDEX 4 OR MODERATE.
FRIDAY NIGHT..PARTLY CLOUDY. LOW 9.
LUTSEL K'E REGION.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. LOW 6.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 14. UV INDEX 4 OR MODERATE.
FRIDAY NIGHT..CLEAR. LOW PLUS 4.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. LOW 10.
FRIDAY..CLEARING IN THE MORNING. HIGH 16. UV INDEX 4 OR MODERATE.
FRIDAY NIGHT..PARTLY CLOUDY. CLEARING BEFORE MORNING. LOW 8.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. WIND SOUTH 20 KM/H
BECOMING LIGHT THIS EVENING. LOW 10.
FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.
HIGH 20. UV INDEX 4 OR MODERATE.
FRIDAY NIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. LOW 7.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..CLEARING THIS EVENING. LOW 7.
FRIDAY..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 21. UV INDEX 4 OR
MODERATE.
FRIDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE EVENING WITH RISK OF A THUNDERSTORM. LOW 7.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..PARTLY CLOUDY. CLEARING NEAR MIDNIGHT. WIND SOUTHWEST
20 KM/H BECOMING LIGHT THIS EVENING. LOW 11.
FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.
HIGH 22. UV INDEX 4 OR MODERATE.
FRIDAY NIGHT..A FEW CLOUDS. LOW 9.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..CLEAR. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT
THIS EVENING. LOW 8.
FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND
BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON. HIGH 21. UV INDEX 5 OR
MODERATE.
FRIDAY NIGHT..PARTLY CLOUDY. WIND SOUTHWEST 20 KM/H BECOMING LIGHT IN
THE EVENING. LOW 6.
YELLOWKNIFE REGION.
TONIGHT..MAINLY CLOUDY. WIND SOUTHEAST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 7.
FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 17. UV INDEX 4 OR
MODERATE.
FRIDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN
THE EVENING WITH RISK OF A THUNDERSTORM. LOW 6.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..PARTLY CLOUDY. CLEARING BEFORE MORNING. WIND SOUTHEAST
20 KM/H BECOMING LIGHT THIS EVENING. LOW 6.
FRIDAY..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 15. UV INDEX 4 OR
MODERATE.
FRIDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY
IN THE EVENING AND RISK OF A THUNDERSTORM. CLEARING IN THE EVENING.
LOW 6.
WRIGLEY REGION.
TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. LOW PLUS 4.
FRIDAY..INCREASING CLOUDINESS. 40 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 18. UV INDEX 4 OR
MODERATE.
FRIDAY NIGHT..PERIODS OF RAIN. RISK OF A THUNDERSTORM EARLY IN THE
EVENING. AMOUNT 10 TO 20 MM. LOW 7.
NORMAN WELLS - TULITA REGION.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
RISK OF A THUNDERSTORM EARLY THIS EVENING. WIND WEST 20 KM/H
BECOMING LIGHT NEAR MIDNIGHT. LOW 7.
FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON. HIGH 14. UV INDEX 4 OR MODERATE.
FRIDAY NIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE
EVENING. PERIODS OF RAIN BEGINNING IN THE EVENING. LOCAL AMOUNT 5 TO
10 MM. LOW 7.
FORT GOOD HOPE REGION.
TONIGHT..RAIN ENDING NEAR MIDNIGHT THEN MAINLY CLOUDY WITH 30 PERCENT
CHANCE OF SHOWERS. WIND WEST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT.
LOW PLUS 4.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 13. UV INDEX 4 OR MODERATE.
FRIDAY NIGHT..PARTLY CLOUDY. LOW PLUS 4.
DELINE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING.
RISK OF A THUNDERSTORM EARLY THIS EVENING. LOW PLUS 4.
FRIDAY..A MIX OF SUN AND CLOUD. HIGH 12. UV INDEX 4 OR MODERATE.
FRIDAY NIGHT..A FEW CLOUDS. LOW PLUS 3.
COLVILLE LAKE.
TONIGHT..RAIN ENDING AFTER MIDNIGHT THEN CLOUDY WITH 30 PERCENT
CHANCE OF SHOWERS. LOW PLUS 3.
FRIDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE MORNING.
HIGH 7. UV INDEX 2 OR LOW.
FRIDAY NIGHT..CLEARING IN THE EVENING. LOW PLUS 1.
END
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