FPCN11 CWNT 172141 FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT TUESDAY 17 MARCH 2026 FOR TONIGHT WEDNESDAY AND WEDNESDAY NIGHT. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT WEDNESDAY. THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE. TONIGHT..PERIODS OF LIGHT SNOW ENDING THIS EVENING THEN CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. CLEARING OVERNIGHT. WIND NORTHWEST 20 KM/H GUSTING TO 40 BECOMING LIGHT THIS EVENING. LOW MINUS 20. WIND CHILL MINUS 16 THIS EVENING AND MINUS 27 OVERNIGHT. WEDNESDAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 10. WIND CHILL MINUS 27 IN THE MORNING AND MINUS 15 IN THE AFTERNOON. UV INDEX 2 OR LOW. WEDNESDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 22. WIND CHILL MINUS 15 IN THE EVENING AND MINUS 27 OVERNIGHT. LUTSEL K'E REGION. TONIGHT..CLEAR THIS EVENING THEN PARTLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES LATE THIS EVENING AND OVERNIGHT. WIND NORTHEAST 20 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 20. WIND CHILL NEAR MINUS 27. WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF FLURRIES IN THE MORNING AND EARLY IN THE AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 16. WIND CHILL NEAR MINUS 24. UV INDEX 1 OR LOW. WEDNESDAY NIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 26. WIND CHILL MINUS 22 IN THE EVENING AND MINUS 34 OVERNIGHT. RISK OF FROSTBITE. FT. RESOLUTION REGION INCLUDING HWY. 6. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES THIS EVENING AND AFTER MIDNIGHT. BECOMING CLEAR OVERNIGHT. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 22. WIND CHILL NEAR MINUS 30. RISK OF FROSTBITE. WEDNESDAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 15. WIND CHILL MINUS 30 IN THE MORNING AND MINUS 21 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. WEDNESDAY NIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 25. WIND CHILL MINUS 23 IN THE EVENING AND MINUS 33 OVERNIGHT. RISK OF FROSTBITE. HAY RIVER REGION INCLUDING ENTERPRISE. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES THIS EVENING. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 25. WIND CHILL MINUS 24 THIS EVENING AND MINUS 33 OVERNIGHT. RISK OF FROSTBITE. WEDNESDAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 15. WIND CHILL MINUS 33 IN THE MORNING AND MINUS 21 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 2 OR LOW. WEDNESDAY NIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 24. WIND CHILL MINUS 25 IN THE EVENING AND MINUS 32 OVERNIGHT. RISK OF FROSTBITE. FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE. TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF FLURRIES THIS EVENING. WIND UP TO 15 KM/H. LOW MINUS 23. WIND CHILL MINUS 20 THIS EVENING AND MINUS 28 OVERNIGHT. RISK OF FROSTBITE. WEDNESDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 14. WIND CHILL MINUS 28 IN THE MORNING AND MINUS 17 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. WEDNESDAY NIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 24. WIND CHILL MINUS 17 IN THE EVENING AND MINUS 29 OVERNIGHT. RISK OF FROSTBITE. FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER. TONIGHT..PERIODS OF LIGHT SNOW ENDING EARLY THIS EVENING THEN CLEARING. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 25. WIND CHILL MINUS 27 THIS EVENING AND MINUS 33 OVERNIGHT. RISK OF FROSTBITE. WEDNESDAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 16. WIND CHILL MINUS 33 IN THE MORNING AND MINUS 22 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. WEDNESDAY NIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 25. WIND CHILL MINUS 22 IN THE EVENING AND MINUS 33 OVERNIGHT. RISK OF FROSTBITE. FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E. TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 19. WIND CHILL MINUS 18 THIS EVENING AND MINUS 25 OVERNIGHT. WEDNESDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 9. WIND CHILL MINUS 26 IN THE MORNING AND MINUS 14 IN THE AFTERNOON. UV INDEX 1 OR LOW. WEDNESDAY NIGHT..A FEW CLOUDS. INCREASING CLOUDINESS NEAR MIDNIGHT THEN 30 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND UP TO 15 KM/H. LOW MINUS 18. WIND CHILL MINUS 14 IN THE EVENING AND MINUS 25 OVERNIGHT. YELLOWKNIFE REGION. TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT THEN 30 PERCENT CHANCE OF FLURRIES OVERNIGHT. WIND UP TO 15 KM/H. LOW MINUS 23. WIND CHILL MINUS 23 THIS EVENING AND MINUS 31 OVERNIGHT. RISK OF FROSTBITE. WEDNESDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES EARLY IN THE MORNING. CLEARING IN THE MORNING. WIND BECOMING NORTHWEST 20 KM/H IN THE MORNING. HIGH MINUS 16. WIND CHILL MINUS 31 IN THE MORNING AND MINUS 24 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. WEDNESDAY NIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 27. WIND CHILL MINUS 24 IN THE EVENING AND MINUS 33 OVERNIGHT. RISK OF FROSTBITE. NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. LOW MINUS 23. WIND CHILL MINUS 24 THIS EVENING AND MINUS 33 OVERNIGHT. RISK OF FROSTBITE. WEDNESDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY NEAR NOON. WIND UP TO 15 KM/H. HIGH MINUS 18. WIND CHILL MINUS 34 IN THE MORNING AND MINUS 25 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. WEDNESDAY NIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 31. WIND CHILL MINUS 25 IN THE EVENING AND MINUS 37 OVERNIGHT. RISK OF FROSTBITE. WRIGLEY REGION. TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES THIS EVENING. CLEARING OVERNIGHT. WIND UP TO 15 KM/H. LOW MINUS 26. WIND CHILL MINUS 27 THIS EVENING AND MINUS 34 OVERNIGHT. RISK OF FROSTBITE. WEDNESDAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 19. WIND CHILL MINUS 34 IN THE MORNING AND MINUS 26 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. WEDNESDAY NIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 30. WIND CHILL MINUS 26 IN THE EVENING AND MINUS 36 OVERNIGHT. RISK OF FROSTBITE. NORMAN WELLS - TULITA REGION. TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF FLURRIES THIS EVENING. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 28. WIND CHILL NEAR MINUS 39. RISK OF FROSTBITE. WEDNESDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 21. WIND CHILL MINUS 37 IN THE MORNING AND MINUS 29 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. WEDNESDAY NIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 32. WIND CHILL MINUS 30 IN THE EVENING AND MINUS 42 OVERNIGHT. FROSTBITE IN MINUTES. FORT GOOD HOPE REGION. TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 29. WIND CHILL NEAR MINUS 39. RISK OF FROSTBITE. WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF FLURRIES EARLY IN THE MORNING. CLEARING LATE IN THE AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 20. WIND CHILL MINUS 38 IN THE MORNING AND MINUS 24 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. WEDNESDAY NIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 38. WIND CHILL MINUS 24 IN THE EVENING AND MINUS 49 OVERNIGHT. FROSTBITE IN MINUTES. DELINE. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES THIS EVENING. WIND UP TO 15 KM/H. LOW MINUS 25. WIND CHILL NEAR MINUS 33. RISK OF FROSTBITE. WEDNESDAY..MAINLY SUNNY. WIND BECOMING NORTHWEST 20 KM/H NEAR NOON. HIGH MINUS 22. WIND CHILL NEAR MINUS 36. RISK OF FROSTBITE. UV INDEX 1 OR LOW. WEDNESDAY NIGHT..CLEAR. WIND NORTHWEST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW MINUS 32. WIND CHILL MINUS 32 IN THE EVENING AND MINUS 42 OVERNIGHT. FROSTBITE IN MINUTES. COLVILLE LAKE. TONIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. TEMPERATURE STEADY NEAR MINUS 28. WIND CHILL NEAR MINUS 37. RISK OF FROSTBITE. WEDNESDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF FLURRIES EARLY IN THE MORNING. CLEARING LATE IN THE AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 24. WIND CHILL MINUS 38 IN THE MORNING AND MINUS 32 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. WEDNESDAY NIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 35. WIND CHILL MINUS 32 IN THE EVENING AND MINUS 42 OVERNIGHT. FROSTBITE IN MINUTES. END