FPCN11 CWNT 190132 AAA UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 7:31 P.M. MDT MONDAY 18 AUGUST 2025 FOR TONIGHT TUESDAY AND TUESDAY NIGHT. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT TUESDAY. NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO. TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING. LOCAL SMOKE. LOW 10. TUESDAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON WITH 30 PERCENT CHANCE OF SHOWERS LATER IN THE AFTERNOON. HIGH 21. UV INDEX 3 OR MODERATE. TUESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS IN THE EVENING. LOW 9. REMAINDER UNCHANGED. END