FPCN11 CWNT 221322 AAA UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 7:21 A.M. MDT SATURDAY 22 AUGUST 2026 FOR TODAY AND SUNDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT. YELLOWKNIFE REGION. TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. LOCAL SMOKE. WIND EAST 20 KM/H. HIGH 23. HUMIDEX 26. UV INDEX 4 OR MODERATE. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. RISK OF A THUNDERSTORM AFTER MIDNIGHT. LOCAL SMOKE. WIND EAST 20 KM/H BECOMING SOUTH 20 OVERNIGHT. LOW 15. SUNDAY..SUNNY. LOCAL SMOKE. WIND SOUTH 20 KM/H BECOMING LIGHT IN THE MORNING. HIGH 22. UV INDEX 4 OR MODERATE. REMAINDER UNCHANGED. END