FPCN11 CWNT 151117 AAA UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 5:16 A.M. MDT TUESDAY 15 APRIL 2025 FOR TODAY AND WEDNESDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT. FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER. TODAY..PERIODS OF RAIN OR LIGHT SNOW ENDING THIS MORNING THEN A MIX OF SUN AND CLOUD. WIND NORTHWEST 30 KM/H GUSTING TO 50. HIGH 10. UV INDEX 2 OR LOW. TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT EARLY THIS EVENING. LOW MINUS 5. WIND CHILL MINUS 7 OVERNIGHT. WEDNESDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH 10. WIND CHILL MINUS 7 IN THE MORNING. UV INDEX 2 OR LOW. REMAINDER UNCHANGED. END