FPCN11 CWNT 221349 AAB UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 7:48 A.M. MDT SUNDAY 22 MARCH 2026 FOR TODAY AND MONDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT. FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER. TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES THIS MORNING. WIND UP TO 15 KM/H. HIGH MINUS 17. WIND CHILL MINUS 30 THIS MORNING AND MINUS 25 THIS AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. TONIGHT..MAINLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 25. WIND CHILL MINUS 25 THIS EVENING AND MINUS 32 OVERNIGHT. RISK OF FROSTBITE. MONDAY..MAINLY CLOUDY. WIND UP TO 15 KM/H. HIGH MINUS 16. WIND CHILL MINUS 30 IN THE MORNING AND MINUS 20 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. REMAINDER UNCHANGED. END