FPCN11 CWNT 201152 AAA UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 5:50 A.M. MDT FRIDAY 20 MARCH 2026 FOR TODAY AND SATURDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT. FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. HIGH MINUS 13. WIND CHILL MINUS 35 THIS MORNING AND MINUS 18 THIS AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. CLEARING BEFORE MORNING. WIND UP TO 15 KM/H. LOW MINUS 25. WIND CHILL MINUS 20 THIS EVENING AND MINUS 35 OVERNIGHT. RISK OF FROSTBITE. SATURDAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 15. WIND CHILL MINUS 35 IN THE MORNING AND MINUS 19 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. REMAINDER UNCHANGED. END