FPCN11 CWNT 221654
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT
SATURDAY 22 AUGUST 2026 FOR TODAY AND SUNDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT.

THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 27. HUMIDEX 30. UV INDEX 5 OR
 MODERATE.
TONIGHT..CLEAR. LOW 16.
SUNDAY..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. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. HIGH 27.
 HUMIDEX 30. UV INDEX 4 OR MODERATE.

LUTSEL K'E REGION.
TODAY..SUNNY. HIGH 20. HUMIDEX 25. UV INDEX 4 OR MODERATE.
TONIGHT..A FEW CLOUDS. WIND BECOMING SOUTHEAST 20 KM/H NEAR MIDNIGHT.
 LOW 16.
SUNDAY..SUNNY EARLY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH
 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A
 THUNDERSTORM IN THE AFTERNOON. HIGH 24. HUMIDEX 29. UV INDEX 4 OR
 MODERATE.

FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING EAST 20 KM/H THIS
 AFTERNOON. HIGH 26. HUMIDEX 31. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. WIND EAST
 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 17.
SUNDAY..SUNNY IN THE MORNING THEN A MIX OF SUN AND CLOUD WITH
 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A
 THUNDERSTORM IN THE AFTERNOON. HIGH 23. HUMIDEX 25. UV INDEX 4 OR
 MODERATE.

HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..A MIX OF SUN AND CLOUD. WIND EAST 20 KM/H. HIGH 29. HUMIDEX
 32. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
 EVENING WITH RISK OF A THUNDERSTORM. WIND EAST 20 KM/H BECOMING
 SOUTH 20 THIS EVENING THEN BECOMING WEST 20 OVERNIGHT. LOW 17.
SUNDAY..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. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. WIND WEST
 20 KM/H. HIGH 26. UV INDEX 4 OR MODERATE.

FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 28. HUMIDEX 31. UV INDEX 4 OR
 MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
 EVENING AND AFTER MIDNIGHT WITH RISK OF A THUNDERSTORM. LOW 13.
SUNDAY..SUNNY. HIGH 26. UV INDEX 4 OR MODERATE.

FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS
 AFTERNOON WITH RISK OF A THUNDERSTORM. LOCAL SMOKE. HIGH 25. HUMIDEX
 26. UV INDEX 4 OR MODERATE.
TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
 EVENING AND RISK OF A THUNDERSTORM. CLEARING LATE THIS EVENING.
 LOCAL SMOKE. LOW 12.
SUNDAY..SUNNY. LOCAL SMOKE. HIGH 27. UV INDEX 4 OR MODERATE.

FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H THIS
 AFTERNOON. HIGH 26. HUMIDEX 28. UV INDEX 4 OR MODERATE.
TONIGHT..A FEW CLOUDS. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS
 EVENING. LOW 11.
SUNDAY..SUNNY. WIND SOUTHWEST 20 KM/H. HIGH 24. UV INDEX 4 OR
 MODERATE.

YELLOWKNIFE REGION.
TODAY..A MIX OF SUN AND CLOUD. LOCAL SMOKE. WIND EAST 20 KM/H.
 HIGH 23. HUMIDEX 26. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. RISK
 OF A THUNDERSTORM AFTER MIDNIGHT. LOCAL SMOKE. WIND EAST 20 KM/H
 BECOMING SOUTH 20 OVERNIGHT. LOW 15.
SUNDAY..SUNNY. LOCAL SMOKE. WIND SOUTH 20 KM/H BECOMING LIGHT IN THE
 MORNING. HIGH 22. UV INDEX 4 OR MODERATE.

NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY THIS AFTERNOON. LOCAL
 SMOKE. WIND BECOMING SOUTHEAST 20 KM/H THIS AFTERNOON. HIGH 23.
 HUMIDEX 26. UV INDEX 4 OR MODERATE.
TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A
 THUNDERSTORM. LOCAL SMOKE. WIND SOUTHEAST 20 KM/H BECOMING LIGHT
 OVERNIGHT. LOW 12.
SUNDAY..CLEARING IN THE MORNING. LOCAL SMOKE. HIGH 23. UV INDEX 4 OR
 MODERATE.

WRIGLEY REGION.
TODAY..BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON WITH 60 PERCENT
 CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A THUNDERSTORM LATE
 THIS AFTERNOON. LOCAL SMOKE. HIGH 23. HUMIDEX 25. UV INDEX 3 OR
 MODERATE.
TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS THIS
 EVENING. BECOMING CLEAR OVERNIGHT. RISK OF A THUNDERSTORM THIS
 EVENING. LOCAL SMOKE THIS EVENING. WIND NORTHWEST 20 KM/H BECOMING
 LIGHT NEAR MIDNIGHT. LOW 11.
SUNDAY..A MIX OF SUN AND CLOUD. HIGH 20. UV INDEX 3 OR MODERATE.

NORMAN WELLS - TULITA REGION.
TODAY..CLOUDY. RAIN BEGINNING THIS AFTERNOON. RISK OF A THUNDERSTORM
 LATE THIS AFTERNOON. WIND SOUTHEAST 30 KM/H. HIGH 18. UV INDEX 2 OR
 LOW.
TONIGHT..RAIN. RISK OF A THUNDERSTORM EARLY THIS EVENING. AMOUNT 10
 TO 15 MM. WIND SOUTHEAST 30 KM/H BECOMING LIGHT THIS EVENING.
 LOW 13.
SUNDAY..RAIN. AMOUNT 10 TO 15 MM. WIND WEST 40 KM/H GUSTING TO 60.
 HIGH 15. UV INDEX 1 OR LOW.

FORT GOOD HOPE REGION.
TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY THIS AFTERNOON. WIND
 EAST 20 KM/H. HIGH 18. UV INDEX 3 OR MODERATE.
TONIGHT..RAIN. AMOUNT 10 TO 15 MM. WIND NORTHEAST 20 KM/H BECOMING
 NORTHWEST 20 OVERNIGHT. LOW 14.
SUNDAY..RAIN. AMOUNT 10 TO 15 MM. WIND NORTHWEST 20 KM/H. HIGH 16. UV
 INDEX 1 OR LOW.

DELINE.
TODAY..BECOMING CLOUDY NEAR NOON THEN RAIN. LOCAL SMOKE. WIND EAST
 20 KM/H. HIGH 17. UV INDEX 3 OR MODERATE.
TONIGHT..RAIN ENDING NEAR MIDNIGHT THEN PARTLY CLOUDY WITH 30 PERCENT
 CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS EVENING AND AFTER
 MIDNIGHT. AMOUNT 10 TO 15 MM. WIND EAST 20 KM/H BECOMING LIGHT
 OVERNIGHT. LOW 9.
SUNDAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND BECOMING
 NORTHWEST 20 KM/H IN THE AFTERNOON. HIGH 16. UV INDEX 1 OR LOW.

COLVILLE LAKE.
TODAY..A MIX OF SUN AND CLOUD. HIGH 18. UV INDEX 3 OR MODERATE.
TONIGHT..CLOUDY. RAIN BEGINNING THIS EVENING. AMOUNT 10 TO 15 MM.
 LOW 13.
SUNDAY..RAIN. AMOUNT 10 TO 15 MM. WIND NORTH 30 KM/H. HIGH 15. UV
 INDEX 1 OR LOW.

END