FPCN11 CWNT 191606 AAC UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 10:05 A.M. MDT TUESDAY 19 MAY 2026 FOR TODAY AND WEDNESDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT. COLVILLE LAKE. TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. HIGH 8. UV INDEX 4 OR MODERATE. TONIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 2. WIND CHILL MINUS 5 OVERNIGHT. WEDNESDAY..SUNNY. WIND UP TO 15 KM/H. HIGH 10. WIND CHILL MINUS 4 IN THE MORNING. UV INDEX 4 OR MODERATE. REMAINDER UNCHANGED. END