497
FPCN11 CWNT 141633
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT
SUNDAY 14 SEPTEMBER 2025 FOR TODAY AND MONDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TODAY..MAINLY CLOUDY. LOCAL SMOKE. HIGH 25. HUMIDEX 27. UV INDEX 3 OR
MODERATE.
TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOCAL SMOKE.
LOW 14.
MONDAY..CLOUDY. SHOWERS BEGINNING NEAR NOON. LOCAL SMOKE. WIND
BECOMING NORTHWEST 20 KM/H IN THE AFTERNOON. HIGH 19. UV INDEX 1 OR
LOW.
LUTSEL K'E REGION.
TODAY..MAINLY CLOUDY. LOCAL SMOKE. HIGH 20. UV INDEX 2 OR LOW.
TONIGHT..CLOUDY. LOCAL SMOKE. LOW 15.
MONDAY..SHOWERS. LOCAL SMOKE. HIGH 17. UV INDEX 1 OR LOW.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..CLOUDY. LOCAL SMOKE. HIGH 22. HUMIDEX 25. UV INDEX 2 OR LOW.
TONIGHT..CLOUDY. LOCAL SMOKE. LOW 14.
MONDAY..CLOUDY. RAIN BEGINNING EARLY IN THE MORNING. LOCAL SMOKE.
WIND BECOMING NORTHWEST 20 KM/H IN THE AFTERNOON. TEMPERATURE STEADY
NEAR 15. UV INDEX 1 OR LOW.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..CLOUDY. LOCAL SMOKE. HIGH 17. UV INDEX 3 OR MODERATE.
TONIGHT..BECOMING CLOUDY THIS EVENING. 30 PERCENT CHANCE OF SHOWERS
OVERNIGHT. LOCAL SMOKE. LOW 14.
MONDAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY IN THE MORNING.
RAIN BEGINNING EARLY IN THE MORNING AND ENDING IN THE AFTERNOON.
LOCAL SMOKE IN THE MORNING. WIND BECOMING WEST 20 KM/H IN THE
AFTERNOON. TEMPERATURE STEADY NEAR 14. UV INDEX 1 OR LOW.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. LOCAL SMOKE.
HIGH 20. UV INDEX 1 OR LOW.
TONIGHT..CLOUDY. RAIN BEGINNING AFTER MIDNIGHT. LOCAL SMOKE. LOW 12.
MONDAY..RAIN ENDING IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD.
LOCAL SMOKE. HIGH 16. UV INDEX 2 OR LOW.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..RAIN. AMOUNT 15 TO 25 MM. LOCAL SMOKE LATE THIS AFTERNOON.
TEMPERATURE FALLING TO 10 THIS AFTERNOON. UV INDEX 1 OR LOW.
TONIGHT..RAIN. AMOUNT 10 MM. LOCAL SMOKE EARLY THIS EVENING. LOW 8.
MONDAY..CLEARING NEAR NOON. HIGH 18. UV INDEX 3 OR MODERATE.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..PERIODS OF RAIN. AMOUNT 15 TO 25 MM. LOCAL SMOKE. TEMPERATURE
STEADY NEAR 12. UV INDEX 1 OR LOW.
TONIGHT..PERIODS OF RAIN ENDING OVERNIGHT THEN CLOUDY WITH 30 PERCENT
CHANCE OF SHOWERS. AMOUNT 5 MM. LOW 7.
MONDAY..CLEARING IN THE MORNING. HIGH 19. UV INDEX 3 OR MODERATE.
YELLOWKNIFE REGION.
TODAY..CLOUDY. LOCAL SMOKE EARLY THIS AFTERNOON. WIND BECOMING EAST
20 KM/H THIS AFTERNOON. HIGH 20. UV INDEX 2 OR LOW.
TONIGHT..OVERCAST. LOW 14.
MONDAY..CLOUDY. RAIN BEGINNING EARLY IN THE MORNING. AMOUNT 10 TO
15 MM. WIND BECOMING NORTHWEST 20 KM/H IN THE AFTERNOON. TEMPERATURE
STEADY NEAR 14. UV INDEX 1 OR LOW.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..CLOUDY. LOCAL SMOKE. WIND NORTHEAST 20 KM/H. HIGH 15. UV
INDEX 2 OR LOW.
TONIGHT..CLOUDY. RAIN BEGINNING THIS EVENING. AMOUNT 10 MM OVER
WESTERN SECTIONS. LOCAL SMOKE. WIND EAST 20 KM/H BECOMING LIGHT THIS
EVENING. LOW 10.
MONDAY..RAIN ENDING LATE IN THE AFTERNOON THEN CLOUDY. AMOUNT 5 TO
10 MM. LOCAL SMOKE. WIND BECOMING NORTHWEST 20 KM/H IN THE
AFTERNOON. HIGH 13. UV INDEX 1 OR LOW.
WRIGLEY REGION.
TODAY..CLOUDY. PERIODS OF RAIN BEGINNING THIS AFTERNOON. HIGH 12. UV
INDEX 1 OR LOW.
TONIGHT..PERIODS OF RAIN ENDING OVERNIGHT THEN CLOUDY. LOCAL AMOUNT 5
TO 10 MM. LOW 7.
MONDAY..CLEARING IN THE MORNING. HIGH 17. UV INDEX 2 OR LOW.
NORMAN WELLS - TULITA REGION.
TODAY..MAINLY CLOUDY. WIND BECOMING SOUTHEAST 20 KM/H THIS AFTERNOON.
HIGH 14. UV INDEX 2 OR LOW.
TONIGHT..MAINLY CLOUDY. LOW PLUS 5.
MONDAY..CLEARING IN THE MORNING. HIGH 17. UV INDEX 2 OR LOW.
FORT GOOD HOPE REGION.
TODAY..MAINLY CLOUDY. WIND BECOMING EAST 20 KM/H THIS AFTERNOON.
HIGH 14. UV INDEX 2 OR LOW.
TONIGHT..MAINLY CLOUDY. LOW PLUS 5.
MONDAY..CLEARING IN THE MORNING. HIGH 13. UV INDEX 2 OR LOW.
DELINE.
TODAY..MAINLY CLOUDY. WIND BECOMING EAST 20 KM/H THIS AFTERNOON.
HIGH 9. UV INDEX 2 OR LOW.
TONIGHT..MAINLY CLOUDY. LOW PLUS 5.
MONDAY..A MIX OF SUN AND CLOUD. HIGH 12. UV INDEX 2 OR LOW.
COLVILLE LAKE.
TODAY..MAINLY CLOUDY. HIGH 10. UV INDEX 1 OR LOW.
TONIGHT..CLOUDY. LOW 6.
MONDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.
HIGH 9. UV INDEX 1 OR LOW.
END
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