042
FPCN11 CWNT 190238 AAA
UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS
OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT
8:37 P.M. MDT TUESDAY 18 AUGUST 2026 FOR TONIGHT WEDNESDAY AND
WEDNESDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT
WEDNESDAY.
THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE.
TONIGHT..MAINLY CLOUDY. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING
LIGHT THIS EVENING. LOW 13.
WEDNESDAY..MAINLY CLOUDY. CLEARING NEAR NOON. LOCAL SMOKE. WIND
BECOMING NORTHWEST 20 KM/H IN THE MORNING. HIGH 22. UV INDEX 5 OR
MODERATE.
WEDNESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE IN
THE EVENING AND AFTER MIDNIGHT WITH RISK OF A THUNDERSTORM. LOCAL
SMOKE. WIND NORTHWEST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 11.
HAY RIVER REGION INCLUDING ENTERPRISE.
TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOCAL
SMOKE OVERNIGHT. WIND WEST 20 KM/H. LOW 16.
WEDNESDAY..CLEARING EARLY IN THE MORNING. INCREASING CLOUDINESS IN
THE AFTERNOON. LOCAL SMOKE. WIND NORTHWEST 20 KM/H. HIGH 22. UV
INDEX 4 OR MODERATE.
WEDNESDAY NIGHT..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS IN THE
EVENING AND RISK OF A THUNDERSTORM. CLEARING OVERNIGHT. LOCAL SMOKE.
WIND BECOMING NORTHWEST 20 KM/H OVERNIGHT. LOW 12.
NORMAN WELLS - TULITA REGION.
TONIGHT..BECOMING CLOUDY LATE THIS EVENING WITH SHOWERS. RISK OF A
THUNDERSTORM LATE THIS EVENING AND AFTER MIDNIGHT. WIND NORTHWEST
30 KM/H GUSTING TO 50 BECOMING LIGHT THIS EVENING. LOW 11.
WEDNESDAY..SHOWERS ENDING NEAR NOON THEN A MIX OF SUN AND CLOUD WITH
30 PERCENT CHANCE OF SHOWERS. WIND BECOMING WEST 30 KM/H IN THE
MORNING. HIGH 18. UV INDEX 4 OR MODERATE.
WEDNESDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS IN
THE EVENING THEN CLEAR. WIND WEST 20 KM/H BECOMING LIGHT NEAR
MIDNIGHT. LOW 10.
REMAINDER UNCHANGED.
END
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