FPCN11 CWNT 051718 AAA UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 11:18 A.M. MDT WEDNESDAY 5 AUGUST 2026 FOR TODAY AND THURSDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT. FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS NEAR NOON WITH RISK OF A THUNDERSTORM. LOCAL SMOKE. WIND BECOMING NORTHWEST 20 KM/H GUSTING TO 40 EARLY THIS AFTERNOON. HIGH 19. UV INDEX 4 OR MODERATE. TONIGHT..PARTLY CLOUDY. LOCAL SMOKE. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW 9. THURSDAY..A MIX OF SUN AND CLOUD. LOCAL SMOKE. HIGH 22. UV INDEX 4 OR MODERATE. REMAINDER UNCHANGED. END