FPCN11 CWNT 230507 AAC UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 11:06 P.M. MDT SATURDAY 22 AUGUST 2026 FOR TONIGHT SUNDAY AND SUNDAY NIGHT. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT SUNDAY. FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER. TONIGHT..PARTLY CLOUDY. CLEARING BEFORE MORNING. LOCAL SMOKE. WIND SOUTHWEST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 12. SUNDAY..SUNNY. LOCAL SMOKE. HIGH 27. UV INDEX 4 OR MODERATE. SUNDAY NIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT. LOCAL SMOKE. LOW 13. REMAINDER UNCHANGED. END