FPCN11 CWNT 211425 AAA UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 8:23 A.M. MDT MONDAY 21 APRIL 2025 FOR TODAY AND TUESDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT. FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. FOG PATCHES DISSIPATING NEAR NOON. WIND UP TO 15 KM/H. HIGH 12. WIND CHILL MINUS 4 THIS MORNING. UV INDEX 3 OR MODERATE. TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF RAIN SHOWERS EARLY THIS EVENING. A FEW FLURRIES BEGINNING THIS EVENING. LOCAL SNOWFALL AMOUNT 2 TO 4 CM. WIND UP TO 15 KM/H. LOW MINUS 4. WIND CHILL MINUS 6 OVERNIGHT. TUESDAY..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES IN THE MORNING THEN A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH 11. WIND CHILL MINUS 6 IN THE MORNING. UV INDEX 3 OR MODERATE. REMAINDER UNCHANGED. END