541
FPCN11 CWNT 231654
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT
THURSDAY 23 JULY 2026 FOR TODAY AND FRIDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIDESPREAD
SMOKE. HIGH 20. UV INDEX 4 OR MODERATE.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIDESPREAD
SMOKE. LOW 14.
FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE
MORNING. LOCAL SMOKE IN THE MORNING. WIND SOUTHEAST 20 KM/H GUSTING
TO 40. HIGH 24. HUMIDEX 27. UV INDEX 5 OR MODERATE.
LUTSEL K'E REGION.
TODAY..A MIX OF SUN AND CLOUD. LOCAL SMOKE. WIND EAST 20 KM/H.
HIGH 20. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. LOCAL SMOKE THIS EVENING. WIND EAST 20 KM/H.
LOW 13.
FRIDAY..A MIX OF SUN AND CLOUD. WIND SOUTHEAST 20 KM/H. HIGH 23.
HUMIDEX 25. UV INDEX 5 OR MODERATE.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIDESPREAD
SMOKE. HIGH 21. HUMIDEX 25. UV INDEX 5 OR MODERATE.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIDESPREAD
SMOKE. LOW 14.
FRIDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE MORNING.
WIDESPREAD SMOKE EARLY IN THE MORNING. WIND BECOMING SOUTHEAST
20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 23. HUMIDEX 26. UV
INDEX 5 OR MODERATE.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIDESPREAD
SMOKE. WIND NORTHEAST 20 KM/H GUSTING TO 40. HIGH 20. UV INDEX 5 OR
MODERATE.
TONIGHT..WIDESPREAD SMOKE. LOW 13.
FRIDAY..WIDESPREAD SMOKE DISPERSING IN THE MORNING THEN SUNNY.
INCREASING CLOUDINESS IN THE AFTERNOON THEN 30 PERCENT CHANCE OF
SHOWERS LATE IN THE AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE
AFTERNOON. HIGH 28. HUMIDEX 32. UV INDEX 5 OR MODERATE.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..WIDESPREAD SMOKE. HIGH 24. HUMIDEX 27. UV INDEX 5 OR MODERATE.
TONIGHT..WIDESPREAD SMOKE. LOW 13.
FRIDAY..WIDESPREAD SMOKE DISPERSING IN THE MORNING THEN INCREASING
CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. WIND
BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 24.
HUMIDEX 28. UV INDEX 6 OR HIGH.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..WIDESPREAD SMOKE. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO
40 THIS AFTERNOON. HIGH 26. HUMIDEX 28. UV INDEX 5 OR MODERATE.
TONIGHT..WIDESPREAD SMOKE. WIND SOUTHEAST 20 KM/H GUSTING TO 40.
LOW 17.
FRIDAY..WIDESPREAD SMOKE DISPERSING IN THE MORNING THEN A MIX OF SUN
AND CLOUD. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING SOUTHWEST
20 GUSTING TO 40 NEAR NOON. HIGH 25. UV INDEX 5 OR MODERATE.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS NEAR NOON.
CLEARING THIS AFTERNOON. WIDESPREAD SMOKE. HIGH 27. HUMIDEX 31. UV
INDEX 5 OR MODERATE.
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS BEFORE MORNING.
WIDESPREAD SMOKE BECOMING LOCAL SMOKE THIS EVENING. WIND BECOMING
SOUTH 20 KM/H GUSTING TO 40 THIS EVENING. LOW 17.
FRIDAY..MAINLY CLOUDY. WIND SOUTHWEST 20 KM/H GUSTING TO 40. HIGH 24.
UV INDEX 5 OR MODERATE.
YELLOWKNIFE REGION.
TODAY..SUNNY. LOCAL SMOKE LATE THIS AFTERNOON. WIND EAST 20 KM/H
GUSTING TO 40. HIGH 22. UV INDEX 5 OR MODERATE.
TONIGHT..INCREASING CLOUDINESS NEAR MIDNIGHT. LOCAL SMOKE. WIND
SOUTHEAST 20 KM/H GUSTING TO 40. LOW 14.
FRIDAY..CLOUDY. LOCAL SMOKE IN THE MORNING AND EARLY IN THE
AFTERNOON. WIND SOUTHEAST 20 KM/H GUSTING TO 40. HIGH 21. UV INDEX 4
OR MODERATE.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..MAINLY SUNNY. LOCAL SMOKE. HIGH 23. UV INDEX 5 OR MODERATE.
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY OVERNIGHT. LOCAL SMOKE. WIND
BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 OVERNIGHT. LOW 12.
FRIDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY NEAR NOON. 30 PERCENT
CHANCE OF SHOWERS LATE IN THE AFTERNOON. LOCAL SMOKE. WIND SOUTHEAST
20 KM/H GUSTING TO 40. HIGH 21. UV INDEX 4 OR MODERATE.
WRIGLEY REGION.
TODAY..WIDESPREAD SMOKE. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO
40 THIS AFTERNOON. HIGH 26. HUMIDEX 29. UV INDEX 5 OR MODERATE.
TONIGHT..WIDESPREAD SMOKE. WIND SOUTHEAST 20 KM/H GUSTING TO 40.
LOW 19.
FRIDAY..CLOUDY. PERIODS OF RAIN BEGINNING NEAR NOON. LOCAL SMOKE.
WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE MORNING.
WIND BECOMING NORTHWEST 30 GUSTING TO 50 NEAR NOON. HIGH 20 WITH
TEMPERATURE FALLING TO 9 IN THE AFTERNOON. UV INDEX 2 OR LOW.
NORMAN WELLS - TULITA REGION.
TODAY..WIDESPREAD SMOKE. WIND BECOMING SOUTHEAST 20 KM/H THIS
AFTERNOON. HIGH 26. HUMIDEX 30. UV INDEX 4 OR MODERATE.
TONIGHT..CLOUDY. RAIN BEGINNING THIS EVENING. RISK OF A THUNDERSTORM
THIS EVENING. AMOUNT 10 TO 15 MM. WIDESPREAD SMOKE THIS EVENING AND
AFTER MIDNIGHT. WIND SOUTHEAST 20 KM/H BECOMING LIGHT THIS EVENING.
LOW 13.
FRIDAY..RAIN. AMOUNT 10 TO 15 MM. WIND BECOMING WEST 20 KM/H GUSTING
TO 40 THEN INCREASING TO 50 GUSTING TO 80 NEAR NOON. TEMPERATURE
FALLING TO 6 IN THE AFTERNOON. UV INDEX 1 OR LOW.
FORT GOOD HOPE REGION.
TODAY..CLOUDY. HIGH 22. HUMIDEX 26. UV INDEX 3 OR MODERATE.
TONIGHT..CLOUDY. RAIN BEGINNING THIS EVENING. AMOUNT 15 MM. LOW 13.
FRIDAY..RAIN. AMOUNT 20 MM. WIND NORTHWEST 20 KM/H GUSTING TO 40
INCREASING TO 40 GUSTING TO 70 IN THE MORNING. TEMPERATURE FALLING
TO 6 IN THE AFTERNOON. UV INDEX 1 OR LOW.
DELINE.
TODAY..WIDESPREAD SMOKE. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO
40 THIS AFTERNOON. HIGH 24. HUMIDEX 26. UV INDEX 5 OR MODERATE.
TONIGHT..INCREASING CLOUDINESS EARLY THIS EVENING. 40 PERCENT CHANCE
OF SHOWERS OVERNIGHT. WIDESPREAD SMOKE. WIND SOUTH 30 KM/H GUSTING
TO 50. LOW 14.
FRIDAY..PERIODS OF RAIN. WIDESPREAD SMOKE IN THE MORNING AND EARLY IN
THE AFTERNOON. WIND SOUTH 30 KM/H GUSTING TO 50 BECOMING LIGHT IN
THE MORNING. WIND BECOMING NORTHWEST 50 GUSTING TO 80 IN THE
AFTERNOON. TEMPERATURE FALLING TO 9 IN THE AFTERNOON. UV INDEX 1 OR
LOW.
COLVILLE LAKE.
TODAY..CLOUDY. 30 PERCENT CHANCE OF SHOWERS NEAR NOON. WIDESPREAD
SMOKE. WIND BECOMING SOUTH 20 KM/H THIS AFTERNOON. HIGH 22. UV
INDEX 3 OR MODERATE.
TONIGHT..CLOUDY. RAIN BEGINNING THIS EVENING. AMOUNT 15 MM.
WIDESPREAD SMOKE. WIND SOUTH 20 KM/H BECOMING LIGHT THIS EVENING.
WIND BECOMING NORTHWEST 20 GUSTING TO 40 BEFORE MORNING. LOW 14.
FRIDAY..RAIN. AMOUNT 15 MM. WIND NORTHWEST 20 KM/H GUSTING TO 40
INCREASING TO 50 GUSTING TO 80 LATE IN THE MORNING. TEMPERATURE
FALLING TO 6 IN THE AFTERNOON. UV INDEX 1 OR LOW.
END
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