866
FPCN11 CWNT 091630
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT
WEDNESDAY 9 SEPTEMBER 2026 FOR TODAY AND THURSDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TODAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST
20 KM/H. HIGH 18. UV INDEX 2 OR LOW.
TONIGHT..CLOUDY. SHOWERS BEGINNING THIS EVENING. RISK OF A
THUNDERSTORM THIS EVENING. AMOUNT 10 TO 15 MM. WIND SOUTH 20 KM/H
BECOMING LIGHT THIS EVENING. WIND BECOMING NORTHWEST 20 GUSTING TO
40 OVERNIGHT. LOW 11.
THURSDAY..SHOWERS. AMOUNT 5 TO 10 MM. WIND NORTHWEST 20 KM/H GUSTING
TO 40. TEMPERATURE STEADY NEAR 12. UV INDEX 1 OR LOW.
LUTSEL K'E REGION.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON. HIGH 19. UV INDEX 3 OR MODERATE.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM THIS EVENING. LOW 10.
THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND NORTH
20 KM/H GUSTING TO 40. TEMPERATURE STEADY NEAR 13. UV INDEX 2 OR
LOW.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..MAINLY CLOUDY. HIGH 18. UV INDEX 2 OR LOW.
TONIGHT..CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE THIS EVENING AND
OVERNIGHT. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 OVERNIGHT.
LOW 11.
THURSDAY..SHOWERS. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING
NORTH 40 GUSTING TO 60 NEAR NOON. HIGH 14. UV INDEX 1 OR LOW.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H
BECOMING LIGHT THIS AFTERNOON. HIGH 21. UV INDEX 2 OR LOW.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING. A FEW
SHOWERS BEGINNING AFTER MIDNIGHT. RISK OF A THUNDERSTORM THIS
EVENING. AMOUNT 5 MM. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40
OVERNIGHT. LOW 11.
THURSDAY..SHOWERS. AMOUNT 5 TO 10 MM. WIND NORTH 30 KM/H GUSTING TO
50. HIGH 13. UV INDEX 1 OR LOW.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 20. UV INDEX 2 OR LOW.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. A
FEW SHOWERS BEGINNING THIS EVENING. RISK OF A THUNDERSTORM EARLY
THIS EVENING. LOCAL AMOUNT 5 MM. WIND BECOMING NORTHWEST 20 KM/H
GUSTING TO 40 NEAR MIDNIGHT. LOW 10.
THURSDAY..SHOWERS. LOCAL AMOUNT 5 MM. WIND NORTHWEST 20 KM/H GUSTING
TO 40. HIGH 13. UV INDEX 1 OR LOW.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A
THUNDERSTORM. LOCAL SMOKE. WIND BECOMING NORTHWEST 20 KM/H GUSTING
TO 40 LATE THIS AFTERNOON. HIGH 16. UV INDEX 2 OR LOW.
TONIGHT..SHOWERS. RISK OF A THUNDERSTORM EARLY THIS EVENING. AMOUNT 5
TO 10 MM. LOCAL SMOKE. WIND NORTHWEST 20 KM/H GUSTING TO 40. LOW 8.
THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS OR DRIZZLE. LOCAL
SMOKE. WIND NORTHWEST 30 KM/H GUSTING TO 50. HIGH 11. UV INDEX 1 OR
LOW.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..BECOMING CLOUDY THIS AFTERNOON WITH 30 PERCENT CHANCE OF
SHOWERS LATER THIS AFTERNOON. RISK OF A THUNDERSTORM THIS AFTERNOON.
WIND WEST 20 KM/H GUSTING TO 40. HIGH 21. UV INDEX 3 OR MODERATE.
TONIGHT..SHOWERS. RISK OF A THUNDERSTORM EARLY THIS EVENING. AMOUNT 5
TO 10 MM. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING LIGHT NEAR
MIDNIGHT. LOW 11.
THURSDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS OR DRIZZLE.
WIND BECOMING NORTHEAST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 16. UV
INDEX 2 OR LOW.
YELLOWKNIFE REGION.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON.
WIND SOUTHWEST 20 KM/H GUSTING TO 40. HIGH 16. UV INDEX 2 OR LOW.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF
A THUNDERSTORM. WIND BECOMING NORTH 20 KM/H GUSTING TO 40 BEFORE
MORNING. LOW 10.
THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND NORTH
20 KM/H GUSTING TO 50 INCREASING TO 40 GUSTING TO 60 IN THE
AFTERNOON. HIGH 12. UV INDEX 1 OR LOW.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON WITH
RISK OF A THUNDERSTORM. HIGH 14. UV INDEX 2 OR LOW.
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A
THUNDERSTORM THIS EVENING AND AFTER MIDNIGHT. WIND BECOMING NORTH
20 KM/H GUSTING TO 40 THIS EVENING. LOW 10.
THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND NORTH
30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR 10. UV INDEX 1 OR
LOW.
WRIGLEY REGION.
TODAY..SHOWERS. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 THIS
AFTERNOON. HIGH 14. UV INDEX 2 OR LOW.
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS OR DRIZZLE. WIND
NORTHWEST 20 KM/H GUSTING TO 40. LOW 8.
THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS OR DRIZZLE. WIND
NORTHWEST 20 KM/H GUSTING TO 40. HIGH 12. UV INDEX 2 OR LOW.
NORMAN WELLS - TULITA REGION.
TODAY..CLOUDY. A FEW SHOWERS BEGINNING EARLY THIS AFTERNOON. LOCAL
AMOUNT 5 MM. WIND BECOMING WEST 20 KM/H GUSTING TO 40 THIS
AFTERNOON. HIGH 13. UV INDEX 1 OR LOW.
TONIGHT..SHOWERS AND DRIZZLE. LOCAL AMOUNT 5 MM. WIND WEST 20 KM/H
GUSTING TO 40. LOW 7.
THURSDAY..SHOWERS. WIND NORTHWEST 30 KM/H GUSTING TO 50. TEMPERATURE
STEADY NEAR 7. UV INDEX 1 OR LOW.
FORT GOOD HOPE REGION.
TODAY..A FEW SHOWERS ENDING LATE THIS AFTERNOON THEN MAINLY CLOUDY
WITH 30 PERCENT CHANCE OF SHOWERS OR DRIZZLE. WIND NORTHWEST 20 KM/H
GUSTING TO 40. HIGH 15. UV INDEX 1 OR LOW.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS OR DRIZZLE EARLY THIS
EVENING. 60 PERCENT CHANCE OF SHOWERS OVERNIGHT. WIND NORTHWEST
20 KM/H GUSTING TO 40. LOW 7.
THURSDAY..SHOWERS ENDING IN THE AFTERNOON THEN CLOUDY WITH 30 PERCENT
CHANCE OF SHOWERS OR DRIZZLE. WIND NORTHWEST 20 KM/H GUSTING TO 40.
HIGH 10. UV INDEX 1 OR LOW.
DELINE.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND BECOMING
NORTHWEST 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 13. UV INDEX 2
OR LOW.
TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND
NORTHWEST 20 KM/H GUSTING TO 40. LOW 8.
THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND NORTHWEST
30 KM/H GUSTING TO 50. HIGH 9. UV INDEX 1 OR LOW.
COLVILLE LAKE.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND BECOMING
NORTH 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 14. UV INDEX 2 OR
LOW.
TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND NORTH 20 KM/H
GUSTING TO 40. LOW 6.
THURSDAY..SHOWERS. WIND NORTHWEST 20 KM/H GUSTING TO 40. TEMPERATURE
STEADY NEAR PLUS 5. UV INDEX 1 OR LOW.
END
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