953
FPCN11 CWNT 201030
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 5:00 A.M. MDT
WEDNESDAY 20 MAY 2026 FOR TODAY AND THURSDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. RISK
OF A THUNDERSTORM LATE THIS AFTERNOON. HIGH 18. UV INDEX 5 OR
MODERATE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM EARLY THIS EVENING. LOW 6.
THURSDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE AFTERNOON
WITH 30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. RISK OF A
THUNDERSTORM LATE IN THE AFTERNOON. HIGH 19. UV INDEX 5 OR MODERATE.
LUTSEL K'E REGION.
TODAY..SUNNY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT
CHANCE OF SHOWERS LATE THIS AFTERNOON. HIGH 13. UV INDEX 5 OR
MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING. CLEARING BEFORE MORNING. LOW PLUS 2.
THURSDAY..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. WIND BECOMING NORTHEAST 20 KM/H NEAR NOON. HIGH 14. UV
INDEX 5 OR MODERATE.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 16. UV INDEX 4 OR
MODERATE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS
EVENING. CLEARING OVERNIGHT. RISK OF A THUNDERSTORM EARLY THIS
EVENING. LOW 6.
THURSDAY..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS LATE IN
THE AFTERNOON. HIGH 17. UV INDEX 4 OR MODERATE.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 17. UV INDEX 4 OR
MODERATE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING AND RISK OF A THUNDERSTORM. CLEARING THIS EVENING. LOW
PLUS 5.
THURSDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. WIND
BECOMING SOUTH 20 KM/H NEAR NOON. HIGH 20. UV INDEX 5 OR MODERATE.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS MORNING
AND EARLY THIS AFTERNOON. CLEARING THIS AFTERNOON. HIGH 19. UV
INDEX 4 OR MODERATE.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY OVERNIGHT. LOW PLUS 5.
THURSDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE MORNING.
HIGH 18. UV INDEX 3 OR MODERATE.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. RISK
OF A THUNDERSTORM LATE THIS AFTERNOON. HIGH 22. UV INDEX 4 OR
MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. LOW 11.
THURSDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. HIGH 22.
UV INDEX 4 OR MODERATE.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. RISK
OF A THUNDERSTORM LATE THIS AFTERNOON. HIGH 23. UV INDEX 4 OR
MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. LOW 11.
THURSDAY..A MIX OF SUN AND CLOUD. CLEARING NEAR NOON. WIND BECOMING
SOUTHWEST 20 KM/H NEAR NOON. HIGH 22. UV INDEX 4 OR MODERATE.
YELLOWKNIFE REGION.
TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING NORTHWEST 20 KM/H THIS
AFTERNOON. HIGH 18. UV INDEX 4 OR MODERATE.
TONIGHT..CLEARING LATE THIS EVENING. WIND NORTHWEST 20 KM/H BECOMING
LIGHT THIS EVENING. LOW 6.
THURSDAY..INCREASING CLOUDINESS NEAR NOON. WIND BECOMING SOUTHEAST
20 KM/H NEAR NOON. HIGH 15. UV INDEX 4 OR MODERATE.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON.
HIGH 14. UV INDEX 4 OR MODERATE.
TONIGHT..CLEARING THIS EVENING. LOW PLUS 4.
THURSDAY..INCREASING CLOUDINESS EARLY IN THE MORNING. HIGH 16. UV
INDEX 4 OR MODERATE.
WRIGLEY REGION.
TODAY..SUNNY. A MIX OF SUN AND CLOUD LATE THIS AFTERNOON WITH
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM LATE THIS
AFTERNOON. HIGH 22. UV INDEX 4 OR MODERATE.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. LOW 10.
THURSDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING.
HIGH 19. UV INDEX 4 OR MODERATE.
NORMAN WELLS - TULITA REGION.
TODAY..SUNNY. A MIX OF SUN AND CLOUD LATE THIS AFTERNOON WITH
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM LATE THIS
AFTERNOON. WIND BECOMING SOUTHEAST 20 KM/H NEAR NOON. HIGH 21. UV
INDEX 4 OR MODERATE.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING WITH RISK OF A THUNDERSTORM. WIND SOUTHEAST 20 KM/H BECOMING
LIGHT THIS EVENING. LOW 10.
THURSDAY..BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. 30 PERCENT
CHANCE OF SHOWERS LATE IN THE AFTERNOON. HIGH 18. UV INDEX 4 OR
MODERATE.
FORT GOOD HOPE REGION.
TODAY..SUNNY. A MIX OF SUN AND CLOUD LATE THIS AFTERNOON WITH
30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM LATE THIS
AFTERNOON. HIGH 19. UV INDEX 3 OR MODERATE.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM EARLY THIS EVENING. LOW 6.
THURSDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE MORNING.
PERIODS OF RAIN BEGINNING IN THE MORNING. HIGH 13. UV INDEX 1 OR
LOW.
DELINE.
TODAY..MAINLY SUNNY. WIND BECOMING EAST 20 KM/H NEAR NOON. HIGH 11.
WIND CHILL MINUS 6 THIS MORNING. UV INDEX 4 OR MODERATE.
TONIGHT..INCREASING CLOUDINESS NEAR MIDNIGHT. WIND EAST 20 KM/H
BECOMING LIGHT OVERNIGHT. LOW 7.
THURSDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. HIGH 16.
UV INDEX 4 OR MODERATE.
COLVILLE LAKE.
TODAY..MAINLY SUNNY. WIND BECOMING SOUTHEAST 20 KM/H NEAR NOON.
HIGH 10. WIND CHILL MINUS 6 THIS MORNING. UV INDEX 4 OR MODERATE.
TONIGHT..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS
OVERNIGHT. WIND SOUTHEAST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW
PLUS 4.
THURSDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE MORNING.
RAIN BEGINNING IN THE MORNING. HIGH 8. UV INDEX 1 OR LOW.
END
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