598
FPCN11 CWNT 202130
FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE
NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT
MONDAY 20 JULY 2026 FOR TONIGHT TUESDAY AND TUESDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT TUESDAY.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TONIGHT..WIDESPREAD SMOKE. LOW 14.
TUESDAY..WIDESPREAD SMOKE. HIGH 27. HUMIDEX 29. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..WIDESPREAD SMOKE. LOW 15.
LUTSEL K'E REGION.
TONIGHT..PARTLY CLOUDY. LOCAL SMOKE. LOW 15.
TUESDAY..MAINLY SUNNY. LOCAL SMOKE. HIGH 24. HUMIDEX 26. UV INDEX 5
OR MODERATE.
TUESDAY NIGHT..A FEW CLOUDS. LOCAL SMOKE. WIND SOUTHWEST 20 KM/H
BECOMING LIGHT NEAR MIDNIGHT. LOW 15.
FT. RESOLUTION REGION INCLUDING HWY. 6.
TONIGHT..WIDESPREAD SMOKE. LOW 14.
TUESDAY..WIDESPREAD SMOKE. HIGH 25. HUMIDEX 29. UV INDEX 5 OR
MODERATE.
TUESDAY NIGHT..WIDESPREAD SMOKE. LOW 14.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..WIDESPREAD SMOKE. LOW 14.
TUESDAY..WIDESPREAD SMOKE. HIGH 24. HUMIDEX 27. UV INDEX 5 OR
MODERATE.
TUESDAY NIGHT..WIDESPREAD SMOKE. LOW 15.
FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE.
TONIGHT..WIDESPREAD SMOKE. LOW 13.
TUESDAY..WIDESPREAD SMOKE. HIGH 28. HUMIDEX 30. UV INDEX 5 OR
MODERATE.
TUESDAY NIGHT..WIDESPREAD SMOKE. LOW 16.
FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.
TONIGHT..WIDESPREAD SMOKE. LOW 13.
TUESDAY..WIDESPREAD SMOKE. HIGH 28. HUMIDEX 31. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..WIDESPREAD SMOKE. LOW 18.
FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E.
TONIGHT..WIDESPREAD SMOKE. LOW 13.
TUESDAY..WIDESPREAD SMOKE. HIGH 31. HUMIDEX 36. UV INDEX 6 OR HIGH.
TUESDAY NIGHT..WIDESPREAD SMOKE. LOW 17.
YELLOWKNIFE REGION.
TONIGHT..WIDESPREAD SMOKE. LOW 16.
TUESDAY..WIDESPREAD SMOKE. HIGH 25. HUMIDEX 28. UV INDEX 5 OR
MODERATE.
TUESDAY NIGHT..WIDESPREAD SMOKE. LOW 15.
NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO.
TONIGHT..WIDESPREAD SMOKE. LOW 11.
TUESDAY..WIDESPREAD SMOKE. HIGH 25. HUMIDEX 26. UV INDEX 5 OR
MODERATE.
TUESDAY NIGHT..WIDESPREAD SMOKE. LOW 13.
WRIGLEY REGION.
TONIGHT..WIDESPREAD SMOKE. LOW 15.
TUESDAY..WIDESPREAD SMOKE. HIGH 29. HUMIDEX 34. UV INDEX 5 OR
MODERATE.
TUESDAY NIGHT..CLEAR EARLY IN THE EVENING THEN PARTLY CLOUDY WITH
30 PERCENT CHANCE OF SHOWERS OVERNIGHT. RISK OF A THUNDERSTORM
OVERNIGHT. WIDESPREAD SMOKE. LOW 16.
NORMAN WELLS - TULITA REGION.
TONIGHT..CLEAR. WIDESPREAD SMOKE OVERNIGHT. LOW 16.
TUESDAY..WIDESPREAD SMOKE. WIND BECOMING SOUTHEAST 20 KM/H IN THE
AFTERNOON. HIGH 29. HUMIDEX 32. UV INDEX 5 OR MODERATE.
TUESDAY NIGHT..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS
OVERNIGHT WITH RISK OF A THUNDERSTORM. WIDESPREAD SMOKE. WIND
SOUTHEAST 20 KM/H. LOW 16.
FORT GOOD HOPE REGION.
TONIGHT..CLEAR. LOW 16.
TUESDAY..SUNNY. LOCAL SMOKE LATE IN THE MORNING AND IN THE AFTERNOON.
WIND BECOMING EAST 20 KM/H IN THE AFTERNOON. HIGH 31. HUMIDEX 34. UV
INDEX 5 OR MODERATE.
TUESDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY OVERNIGHT. LOCAL SMOKE.
WIND EAST 20 KM/H. LOW 16.
DELINE.
TONIGHT..CLEAR. LOCAL SMOKE OVERNIGHT. WIND SOUTHEAST 20 KM/H
BECOMING LIGHT THIS EVENING. LOW 12.
TUESDAY..SUNNY. LOCAL SMOKE. WIND BECOMING EAST 20 KM/H IN THE
AFTERNOON. HIGH 22. UV INDEX 5 OR MODERATE.
TUESDAY NIGHT..CLEAR. LOCAL SMOKE. WIND EAST 30 KM/H. LOW 12.
COLVILLE LAKE.
TONIGHT..CLEAR. LOW 14.
TUESDAY..SUNNY. HIGH 25. UV INDEX 4 OR MODERATE.
TUESDAY NIGHT..CLEAR. WIND BECOMING SOUTHEAST 30 KM/H OVERNIGHT.
LOW 15.
END
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