414
FPCN11 CWNT 131630
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 13 AUGUST 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..SUNNY. HIGH 22. UV INDEX 4 OR MODERATE.
TONIGHT..CLEAR. LOW 9.
FRIDAY..SUNNY. HIGH 24. UV INDEX 4 OR MODERATE.
LUTSEL K'E REGION.
TODAY..SUNNY. LOCAL SMOKE. HIGH 21. UV INDEX 4 OR MODERATE.
TONIGHT..CLEAR. LOW 12.
FRIDAY..SUNNY. HIGH 22. UV INDEX 4 OR MODERATE.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TODAY..SUNNY. HIGH 21. UV INDEX 5 OR MODERATE.
TONIGHT..CLEAR. LOW 10.
FRIDAY..SUNNY. HIGH 21. UV INDEX 4 OR MODERATE.
HAY RIVER REGION INCLUDING ENTERPRISE.
TODAY..CLEARING EARLY THIS AFTERNOON. HIGH 22. UV INDEX 4 OR
MODERATE.
TONIGHT..CLEAR. LOW 9.
FRIDAY..SUNNY. HIGH 23. HUMIDEX 25. UV INDEX 4 OR MODERATE.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TODAY..SUNNY. HIGH 23. UV INDEX 4 OR MODERATE.
TONIGHT..CLEAR. LOW 9.
FRIDAY..SUNNY IN THE MORNING 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 24. HUMIDEX 26. UV INDEX 4
OR MODERATE.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TODAY..WIDESPREAD SMOKE. HIGH 22. HUMIDEX 25. UV INDEX 4 OR MODERATE.
TONIGHT..WIDESPREAD SMOKE. LOW 11.
FRIDAY..SUNNY IN THE MORNING 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. WIDESPREAD SMOKE. HIGH 24.
HUMIDEX 27. UV INDEX 4 OR MODERATE.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TODAY..CLEARING EARLY THIS AFTERNOON. LOCAL SMOKE. HIGH 23. HUMIDEX
26. UV INDEX 4 OR MODERATE.
TONIGHT..CLEAR. LOW 11.
FRIDAY..SUNNY IN THE MORNING 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 23. HUMIDEX 26. UV INDEX 4
OR MODERATE.
YELLOWKNIFE REGION.
TODAY..SUNNY. LOCAL SMOKE NEAR NOON. HIGH 21. UV INDEX 4 OR MODERATE.
TONIGHT..CLEAR. LOW 13.
FRIDAY..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 22. UV INDEX 4 OR MODERATE.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS NEAR NOON
WITH RISK OF A THUNDERSTORM. HIGH 21. UV INDEX 4 OR MODERATE.
TONIGHT..CLEARING LATE THIS EVENING. LOW 9.
FRIDAY..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS IN THE
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 18. UV INDEX 3 OR
MODERATE.
WRIGLEY REGION.
TODAY..SUNNY. FOG PATCHES DISSIPATING NEAR NOON. WIND SOUTHEAST
20 KM/H. HIGH 24. HUMIDEX 26. UV INDEX 4 OR MODERATE.
TONIGHT..CLEAR EARLY THIS EVENING THEN PARTLY CLOUDY WITH 30 PERCENT
CHANCE OF SHOWERS OVERNIGHT. RISK OF A THUNDERSTORM OVERNIGHT. WIND
SOUTHEAST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 14.
FRIDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE IN
THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 24. HUMIDEX 26. UV
INDEX 4 OR MODERATE.
NORMAN WELLS - TULITA REGION.
TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS
AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 22. UV INDEX 4 OR
MODERATE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING AND RISK OF A THUNDERSTORM. CLEARING THIS EVENING. LOW 10.
FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.
HIGH 23. HUMIDEX 25. UV INDEX 4 OR MODERATE.
FORT GOOD HOPE REGION.
TODAY..MAINLY SUNNY. HIGH 25. HUMIDEX 27. UV INDEX 4 OR MODERATE.
TONIGHT..A FEW CLOUDS. LOW 11.
FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.
HIGH 23. HUMIDEX 25. UV INDEX 4 OR MODERATE.
DELINE.
TODAY..SUNNY EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD WITH
30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A
THUNDERSTORM LATE THIS AFTERNOON. HIGH 18. UV INDEX 4 OR MODERATE.
TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING
WITH RISK OF A THUNDERSTORM. CLEARING BEFORE MORNING. LOW 8.
FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND
BECOMING NORTHWEST 20 KM/H IN THE AFTERNOON. HIGH 21. UV INDEX 3 OR
MODERATE.
COLVILLE LAKE.
TODAY..SUNNY NEAR NOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT
CHANCE OF SHOWERS LATE THIS AFTERNOON. RISK OF A THUNDERSTORM LATE
THIS AFTERNOON. HIGH 18. UV INDEX 3 OR MODERATE.
TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS
EVENING AND RISK OF A THUNDERSTORM. CLEARING THIS EVENING. LOW 10.
FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND
BECOMING NORTH 20 KM/H IN THE MORNING. HIGH 16. UV INDEX 3 OR
MODERATE.
END
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