FPCN11 CWNT 161356 AAA UPDATED FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 7:55 A.M. MDT THURSDAY 16 APRIL 2026 FOR TODAY AND FRIDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT. THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE. TODAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH ZERO. WIND CHILL MINUS 21 THIS MORNING. UV INDEX 3 OR MODERATE. TONIGHT..CLOUDY. PERIODS OF LIGHT SNOW BEGINNING THIS EVENING AND ENDING BEFORE MORNING. WIND BECOMING NORTHWEST 20 KM/H AFTER MIDNIGHT. LOW MINUS 9. WIND CHILL MINUS 17 OVERNIGHT. FRIDAY..CLEARING NEAR NOON. WIND NORTHWEST 20 KM/H BECOMING LIGHT IN THE MORNING. HIGH MINUS 2. WIND CHILL MINUS 17 IN THE MORNING AND MINUS 4 IN THE AFTERNOON. UV INDEX 3 OR MODERATE. NORMAN WELLS - TULITA REGION. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF FLURRIES THIS MORNING. WIND UP TO 15 KM/H. HIGH MINUS 4. WIND CHILL MINUS 19 THIS MORNING AND MINUS 9 THIS AFTERNOON. UV INDEX 2 OR LOW. TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS BEFORE MORNING. WIND UP TO 15 KM/H. LOW MINUS 15. WIND CHILL MINUS 9 THIS EVENING AND MINUS 21 OVERNIGHT. FRIDAY..MAINLY CLOUDY. WIND UP TO 15 KM/H. HIGH MINUS 2. WIND CHILL MINUS 21 IN THE MORNING AND MINUS 7 IN THE AFTERNOON. UV INDEX 2 OR LOW. FORT GOOD HOPE REGION. TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING NEAR NOON. WIND UP TO 15 KM/H. HIGH MINUS 6. WIND CHILL MINUS 23 THIS MORNING AND MINUS 8 THIS AFTERNOON. UV INDEX 2 OR LOW. TONIGHT..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND UP TO 15 KM/H. LOW MINUS 14. WIND CHILL MINUS 8 THIS EVENING AND MINUS 19 OVERNIGHT. FRIDAY..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. HIGH MINUS 4. WIND CHILL MINUS 17 IN THE MORNING AND MINUS 8 IN THE AFTERNOON. UV INDEX 2 OR LOW. DELINE. TODAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 10. WIND CHILL MINUS 24 THIS MORNING AND MINUS 15 THIS AFTERNOON. UV INDEX 2 OR LOW. TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS BEFORE MORNING. WIND UP TO 15 KM/H. LOW MINUS 18. WIND CHILL NEAR MINUS 25. FRIDAY..MAINLY CLOUDY. WIND UP TO 15 KM/H. HIGH MINUS 5. WIND CHILL MINUS 25 IN THE MORNING AND MINUS 11 IN THE AFTERNOON. UV INDEX 2 OR LOW. COLVILLE LAKE. TODAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 10. WIND CHILL MINUS 25 THIS MORNING AND MINUS 15 THIS AFTERNOON. UV INDEX 2 OR LOW. TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 21. WIND CHILL MINUS 15 THIS EVENING AND MINUS 28 OVERNIGHT. RISK OF FROSTBITE. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. WIND UP TO 15 KM/H. HIGH MINUS 8. WIND CHILL MINUS 25 IN THE MORNING AND MINUS 14 IN THE AFTERNOON. UV INDEX 2 OR LOW. REMAINDER UNCHANGED. END