FPCN11 CWNT 211938 AAB UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 1:38 P.M. MDT MONDAY 21 APRIL 2025 FOR TODAY AND TUESDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT. YELLOWKNIFE REGION. TODAY..PERIODS OF LIGHT SNOW. WIND UP TO 15 KM/H. HIGH ZERO. WIND CHILL MINUS 6 THIS AFTERNOON. UV INDEX 1 OR LOW. TONIGHT..PERIODS OF LIGHT SNOW ENDING THIS EVENING THEN CLEARING. WIND UP TO 15 KM/H. LOW MINUS 13. WIND CHILL MINUS 19 OVERNIGHT. TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. WIND UP TO 15 KM/H. HIGH ZERO. WIND CHILL MINUS 19 IN THE MORNING. UV INDEX 2 OR LOW. REMAINDER UNCHANGED. END