FPCN11 CWNT 200910 AAB UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 3:09 A.M. MDT WEDNESDAY 20 AUGUST 2025 FOR TONIGHT WEDNESDAY AND WEDNESDAY NIGHT. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT. THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE. TONIGHT..PARTLY CLOUDY. RISK OF A THUNDERSTORM. LOW 10. WEDNESDAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 22. UV INDEX 4 OR MODERATE. WEDNESDAY NIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE EVENING. LOW 10. REMAINDER UNCHANGED. END