FPCN11 CWNT 051630 FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT SUNDAY 5 APRIL 2026 FOR TODAY AND MONDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT. THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE. TODAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 3. WIND CHILL MINUS 13 THIS MORNING AND MINUS 5 THIS AFTERNOON. UV INDEX 2 OR LOW. TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 16. WIND CHILL MINUS 5 THIS EVENING AND MINUS 20 OVERNIGHT. MONDAY..SUNNY. WIND BECOMING SOUTHEAST 20 KM/H IN THE AFTERNOON. HIGH PLUS 1. WIND CHILL MINUS 20 IN THE MORNING. UV INDEX 3 OR MODERATE. LUTSEL K'E REGION. TODAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 13. WIND CHILL NEAR MINUS 22. UV INDEX 2 OR LOW. TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 23. WIND CHILL MINUS 19 THIS EVENING AND MINUS 28 OVERNIGHT. RISK OF FROSTBITE. MONDAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 7. WIND CHILL MINUS 28 IN THE MORNING AND MINUS 10 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 2 OR LOW. FT. RESOLUTION REGION INCLUDING HWY. 6. TODAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 5. WIND CHILL MINUS 17 THIS MORNING AND MINUS 9 THIS AFTERNOON. UV INDEX 2 OR LOW. TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 13. WIND CHILL NEAR MINUS 19. MONDAY..SUNNY. WIND BECOMING SOUTHEAST 20 KM/H NEAR NOON. HIGH PLUS 1. WIND CHILL MINUS 19 IN THE MORNING. UV INDEX 2 OR LOW. HAY RIVER REGION INCLUDING ENTERPRISE. TODAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 5. WIND CHILL MINUS 16 THIS MORNING AND MINUS 11 THIS AFTERNOON. UV INDEX 2 OR LOW. TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 15. WIND CHILL MINUS 16 THIS EVENING AND MINUS 21 OVERNIGHT. MONDAY..SUNNY. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH PLUS 3. WIND CHILL MINUS 21 IN THE MORNING. UV INDEX 3 OR MODERATE. FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE. TODAY..SUNNY. WIND UP TO 15 KM/H. HIGH ZERO. WIND CHILL MINUS 9 THIS MORNING. UV INDEX 2 OR LOW. TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 15. WIND CHILL MINUS 8 THIS EVENING AND MINUS 19 OVERNIGHT. MONDAY..SUNNY. WIND BECOMING SOUTHEAST 20 KM/H NEAR NOON. HIGH PLUS 2. WIND CHILL MINUS 19 IN THE MORNING. UV INDEX 2 OR LOW. FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER. TODAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH PLUS 3. WIND CHILL MINUS 9 THIS MORNING. UV INDEX 2 OR LOW. TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 8. WIND CHILL MINUS 13 OVERNIGHT. MONDAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH PLUS 4. WIND CHILL MINUS 13 IN THE MORNING. UV INDEX 2 OR LOW. FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E. TODAY..MAINLY CLOUDY. WIND NORTHEAST 20 KM/H GUSTING TO 40. HIGH PLUS 5. WIND CHILL MINUS 10 THIS MORNING. UV INDEX 2 OR LOW. TONIGHT..CLOUDY. 30 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND NORTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW MINUS 4. WIND CHILL MINUS 8 OVERNIGHT. MONDAY..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND BECOMING NORTHEAST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH PLUS 2. WIND CHILL MINUS 9 IN THE MORNING. UV INDEX 2 OR LOW. YELLOWKNIFE REGION. TODAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 7. WIND CHILL MINUS 22 THIS MORNING AND MINUS 12 THIS AFTERNOON. UV INDEX 2 OR LOW. TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 20. WIND CHILL MINUS 12 THIS EVENING AND MINUS 27 OVERNIGHT. MONDAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 1. WIND CHILL MINUS 27 IN THE MORNING AND MINUS 6 IN THE AFTERNOON. UV INDEX 2 OR LOW. NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO. TODAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 5. WIND CHILL MINUS 19 THIS MORNING AND MINUS 9 THIS AFTERNOON. UV INDEX 2 OR LOW. TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 20. WIND CHILL MINUS 9 THIS EVENING AND MINUS 27 OVERNIGHT. MONDAY..SUNNY. WIND BECOMING SOUTHEAST 20 KM/H NEAR NOON. HIGH MINUS 2. WIND CHILL MINUS 27 IN THE MORNING AND MINUS 8 IN THE AFTERNOON. UV INDEX 3 OR MODERATE. WRIGLEY REGION. TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH PLUS 1. WIND CHILL MINUS 16 THIS MORNING. UV INDEX 1 OR LOW. TONIGHT..PARTLY CLOUDY. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW MINUS 6. WIND CHILL MINUS 12 OVERNIGHT. MONDAY..MAINLY CLOUDY. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 NEAR NOON. HIGH PLUS 3. WIND CHILL MINUS 12 IN THE MORNING. UV INDEX 2 OR LOW. NORMAN WELLS - TULITA REGION. TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON. WIND SOUTHEAST 20 KM/H GUSTING TO 40. HIGH PLUS 1. WIND CHILL MINUS 17 THIS MORNING. UV INDEX 2 OR LOW. TONIGHT..PARTLY CLOUDY. WIND EAST 20 KM/H GUSTING TO 40 BECOMING LIGHT NEAR MIDNIGHT. LOW MINUS 9. WIND CHILL MINUS 15 OVERNIGHT. MONDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES IN THE AFTERNOON. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH PLUS 3. WIND CHILL MINUS 17 IN THE MORNING. UV INDEX 2 OR LOW. FORT GOOD HOPE REGION. TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON. WIND BECOMING EAST 20 KM/H GUSTING TO 40 EARLY THIS AFTERNOON. HIGH MINUS 1. WIND CHILL MINUS 18 THIS MORNING AND MINUS 7 THIS AFTERNOON. UV INDEX 2 OR LOW. TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND EAST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW MINUS 9. WIND CHILL NEAR MINUS 16. MONDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. HIGH MINUS 1. WIND CHILL MINUS 14 IN THE MORNING AND MINUS 5 IN THE AFTERNOON. UV INDEX 2 OR LOW. DELINE. TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON. WIND BECOMING EAST 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH MINUS 8. WIND CHILL MINUS 24 THIS MORNING AND MINUS 15 THIS AFTERNOON. UV INDEX 2 OR LOW. TONIGHT..PARTLY CLOUDY. WIND EAST 20 KM/H GUSTING TO 40 BECOMING LIGHT OVERNIGHT. LOW MINUS 13. WIND CHILL MINUS 15 THIS EVENING AND MINUS 20 OVERNIGHT. MONDAY..SUNNY. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH ZERO. WIND CHILL MINUS 20 IN THE MORNING. UV INDEX 2 OR LOW. COLVILLE LAKE. TODAY..SUNNY. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH MINUS 11. WIND CHILL MINUS 33 THIS MORNING AND MINUS 19 THIS AFTERNOON. RISK OF FROSTBITE. UV INDEX 2 OR LOW. TONIGHT..INCREASING CLOUDINESS LATE THIS EVENING. WIND SOUTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW MINUS 16. WIND CHILL NEAR MINUS 22. MONDAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH MINUS 3. WIND CHILL MINUS 22 IN THE MORNING AND MINUS 7 IN THE AFTERNOON. UV INDEX 2 OR LOW. END