172
FPCN11 CWNT 151030
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 5:00 A.M. MDT
MONDAY 15 SEPTEMBER 2025 FOR TODAY AND TUESDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS MORNING.
RAIN BEGINNING EARLY THIS AFTERNOON. LOCAL SMOKE. WIND BECOMING
NORTHWEST 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 18. UV INDEX 3
OR MODERATE.
TONIGHT..RAIN ENDING NEAR MIDNIGHT THEN PARTLY CLOUDY. LOCAL SMOKE
THIS EVENING. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT
THIS EVENING. LOW 10.
TUESDAY..CLEARING LATE IN THE MORNING. HIGH 18. UV INDEX 3 OR
MODERATE.
LUTSEL K'E REGION.
TODAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS THIS MORNING AND
EARLY THIS AFTERNOON. RAIN BEGINNING THIS AFTERNOON. LOCAL SMOKE.
HIGH 17. UV INDEX 2 OR LOW.
TONIGHT..RAIN ENDING NEAR MIDNIGHT THEN CLOUDY. LOCAL SMOKE THIS
EVENING. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT
OVERNIGHT. LOW 10.
TUESDAY..CLEARING. HIGH 16. UV INDEX 1 OR LOW.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..BECOMING CLOUDY THIS MORNING THEN RAIN. LOCAL SMOKE. WIND
BECOMING NORTHWEST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH 15. UV
INDEX 1 OR LOW.
TONIGHT..PARTLY CLOUDY. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 9.
TUESDAY..CLEARING IN THE MORNING. HIGH 18. UV INDEX 3 OR MODERATE.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..CLOUDY. RAIN BEGINNING EARLY THIS MORNING AND ENDING NEAR
NOON. LOCAL SMOKE THIS MORNING. WIND NORTHWEST 20 KM/H GUSTING TO
40. HIGH 14. UV INDEX 1 OR LOW.
TONIGHT..CLEARING LATE THIS EVENING. FOG PATCHES DEVELOPING
OVERNIGHT. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS
EVENING. LOW 7.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. FOG
PATCHES DISSIPATING IN THE MORNING. HIGH 21. UV INDEX 3 OR MODERATE.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..RAIN ENDING THIS MORNING THEN CLOUDY. LOCAL SMOKE. HIGH 14. UV
INDEX 1 OR LOW.
TONIGHT..CLEARING THIS EVENING. LOCAL SMOKE BECOMING FOG PATCHES
OVERNIGHT. LOW 6.
TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. FOG
PATCHES BECOMING LOCAL SMOKE IN THE MORNING. HIGH 21. UV INDEX 3 OR
MODERATE.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS MORNING.
CLEARING THIS AFTERNOON. LOCAL SMOKE. WIND NORTHWEST 20 KM/H
BECOMING LIGHT THIS MORNING. HIGH 17. UV INDEX 2 OR LOW.
TONIGHT..A FEW CLOUDS. LOCAL SMOKE BECOMING FOG PATCHES OVERNIGHT.
LOW PLUS 5.
TUESDAY..A MIX OF SUN AND CLOUD. FOG PATCHES BECOMING LOCAL SMOKE IN
THE MORNING. HIGH 19. UV INDEX 3 OR MODERATE.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS MORNING
THEN A MIX OF SUN AND CLOUD. HIGH 18. UV INDEX 3 OR MODERATE.
TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING OVERNIGHT. LOW 7.
TUESDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE
MORNING. HIGH 20. UV INDEX 3 OR MODERATE.
YELLOWKNIFE REGION.
TODAY..PERIODS OF RAIN ENDING LATE THIS AFTERNOON THEN CLOUDY. LOCAL
SMOKE. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 THIS AFTERNOON.
HIGH 15. UV INDEX 1 OR LOW.
TONIGHT..OVERCAST. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING
LIGHT NEAR MIDNIGHT. LOW 9.
TUESDAY..CLEARING IN THE MORNING. HIGH 16. UV INDEX 2 OR LOW.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..RAIN ENDING LATE THIS AFTERNOON THEN CLOUDY. LOCAL AMOUNT 5 TO
10 MM. LOCAL SMOKE. WIND NORTHEAST 20 KM/H BECOMING LIGHT THIS
MORNING. WIND BECOMING NORTHWEST 20 GUSTING TO 40 NEAR NOON.
HIGH 12. UV INDEX 1 OR LOW.
TONIGHT..CLOUDY. BECOMING PARTLY CLOUDY THIS EVENING. LOCAL SMOKE
BECOMING FOG PATCHES OVERNIGHT. WIND NORTHWEST 20 KM/H GUSTING TO 40
BECOMING LIGHT NEAR MIDNIGHT. LOW PLUS 3.
TUESDAY..A MIX OF SUN AND CLOUD. FOG PATCHES BECOMING LOCAL SMOKE IN
THE MORNING. HIGH 18. UV INDEX 2 OR LOW.
WRIGLEY REGION.
TODAY..CLEARING EARLY THIS MORNING. HIGH 17. UV INDEX 2 OR LOW.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY THIS EVENING. FOG PATCHES
DEVELOPING OVERNIGHT. LOW 7.
TUESDAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING IN THE
MORNING. HIGH 19. UV INDEX 2 OR LOW.
NORMAN WELLS - TULITA REGION.
TODAY..CLEARING EARLY THIS MORNING. WIND BECOMING SOUTHEAST 20 KM/H
THIS AFTERNOON. HIGH 16. UV INDEX 2 OR LOW.
TONIGHT..INCREASING CLOUDINESS EARLY THIS EVENING. WIND SOUTHEAST
20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 8.
TUESDAY..CLEARING IN THE MORNING. HIGH 19. UV INDEX 2 OR LOW.
FORT GOOD HOPE REGION.
TODAY..CLEARING EARLY THIS MORNING. HIGH 15. UV INDEX 2 OR LOW.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT.
LOW 6.
TUESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS
EARLY IN THE MORNING. CLEARING IN THE MORNING. HIGH 17. UV INDEX 2
OR LOW.
DELINE.
TODAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD THIS MORNING. WIND
BECOMING EAST 20 KM/H THIS AFTERNOON. HIGH 11. UV INDEX 2 OR LOW.
TONIGHT..PARTLY CLOUDY. WIND EAST 20 KM/H GUSTING TO 40. LOW 6.
TUESDAY..MAINLY SUNNY. WIND EAST 20 KM/H GUSTING TO 40 BECOMING LIGHT
IN THE MORNING. HIGH 16. UV INDEX 2 OR LOW.
COLVILLE LAKE.
TODAY..CLEARING. WIND BECOMING SOUTHEAST 20 KM/H THIS AFTERNOON.
HIGH 11. UV INDEX 1 OR LOW.
TONIGHT..CLEAR. INCREASING CLOUDINESS OVERNIGHT. WIND SOUTHEAST
20 KM/H GUSTING TO 40. LOW PLUS 5.
TUESDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE IN THE
MORNING AND EARLY AFTERNOON. CLEARING LATE IN THE AFTERNOON. WIND
SOUTHEAST 20 KM/H GUSTING TO 40. HIGH 12. UV INDEX 1 OR LOW.
END
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