FPCN11 CWNT 232130 FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT MONDAY 23 MARCH 2026 FOR TONIGHT TUESDAY AND TUESDAY NIGHT. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT TUESDAY. THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE. TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 33. WIND CHILL MINUS 25 THIS EVENING AND MINUS 39 OVERNIGHT. RISK OF FROSTBITE. TUESDAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 19. WIND CHILL MINUS 39 IN THE MORNING AND MINUS 26 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. TUESDAY NIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 33. WIND CHILL MINUS 26 IN THE EVENING AND MINUS 39 OVERNIGHT. RISK OF FROSTBITE. LUTSEL K'E REGION. TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 36. WIND CHILL MINUS 38 THIS EVENING AND MINUS 46 OVERNIGHT. FROSTBITE IN MINUTES. TUESDAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 24. WIND CHILL MINUS 46 IN THE MORNING AND MINUS 34 IN THE AFTERNOON. FROSTBITE IN MINUTES. UV INDEX 1 OR LOW. TUESDAY NIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 31. WIND CHILL MINUS 34 IN THE EVENING AND MINUS 40 OVERNIGHT. FROSTBITE IN MINUTES. FT. RESOLUTION REGION INCLUDING HWY. 6. TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 37. WIND CHILL MINUS 39 THIS EVENING AND MINUS 45 OVERNIGHT. FROSTBITE IN MINUTES. TUESDAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 23. WIND CHILL MINUS 44 IN THE MORNING AND MINUS 31 IN THE AFTERNOON. FROSTBITE IN MINUTES. UV INDEX 1 OR LOW. TUESDAY NIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 36. WIND CHILL NEAR MINUS 42. FROSTBITE IN MINUTES. HAY RIVER REGION INCLUDING ENTERPRISE. TONIGHT..CLEAR. WIND NORTHEAST 20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW MINUS 36. WIND CHILL MINUS 37 THIS EVENING AND MINUS 44 OVERNIGHT. FROSTBITE IN MINUTES. TUESDAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 22. WIND CHILL MINUS 43 IN THE MORNING AND MINUS 30 IN THE AFTERNOON. FROSTBITE IN MINUTES. UV INDEX 1 OR LOW. TUESDAY NIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 36. WIND CHILL MINUS 30 IN THE EVENING AND MINUS 46 OVERNIGHT. FROSTBITE IN MINUTES. FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE. TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 35. WIND CHILL MINUS 25 THIS EVENING AND MINUS 41 OVERNIGHT. FROSTBITE IN MINUTES. TUESDAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 16. WIND CHILL MINUS 41 IN THE MORNING AND MINUS 20 IN THE AFTERNOON. FROSTBITE IN MINUTES. UV INDEX 1 OR LOW. TUESDAY NIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 32. WIND CHILL MINUS 20 IN THE EVENING AND MINUS 38 OVERNIGHT. RISK OF FROSTBITE. FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER. TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 28. WIND CHILL MINUS 25 THIS EVENING AND MINUS 33 OVERNIGHT. RISK OF FROSTBITE. TUESDAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 14. WIND CHILL MINUS 33 IN THE MORNING AND MINUS 20 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. TUESDAY NIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 29. WIND CHILL MINUS 20 IN THE EVENING AND MINUS 40 OVERNIGHT. FROSTBITE IN MINUTES. FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. LOW MINUS 22. WIND CHILL MINUS 20 THIS EVENING AND MINUS 30 OVERNIGHT. RISK OF FROSTBITE. TUESDAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. HIGH MINUS 12. WIND CHILL MINUS 30 IN THE MORNING AND MINUS 19 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. TUESDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. LOW MINUS 20. WIND CHILL MINUS 19 IN THE EVENING AND MINUS 29 OVERNIGHT. RISK OF FROSTBITE. YELLOWKNIFE REGION. TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 37. WIND CHILL MINUS 34 THIS EVENING AND MINUS 48 OVERNIGHT. FROSTBITE IN MINUTES. TUESDAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 21. WIND CHILL MINUS 48 IN THE MORNING AND MINUS 30 IN THE AFTERNOON. FROSTBITE IN MINUTES. UV INDEX 1 OR LOW. TUESDAY NIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 32. WIND CHILL MINUS 30 IN THE EVENING AND MINUS 44 OVERNIGHT. FROSTBITE IN MINUTES. NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO. TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 39. WIND CHILL MINUS 32 THIS EVENING AND MINUS 50 OVERNIGHT. FROSTBITE IN MINUTES. TUESDAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 23. WIND CHILL MINUS 50 IN THE MORNING AND MINUS 31 IN THE AFTERNOON. FROSTBITE IN MINUTES. UV INDEX 1 OR LOW. TUESDAY NIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 34. WIND CHILL MINUS 31 IN THE EVENING AND MINUS 44 OVERNIGHT. FROSTBITE IN MINUTES. WRIGLEY REGION. TONIGHT..A FEW CLOUDS. WIND SOUTHEAST 20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW MINUS 28. WIND CHILL MINUS 25 THIS EVENING AND MINUS 32 OVERNIGHT. RISK OF FROSTBITE. TUESDAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 14. WIND CHILL MINUS 33 IN THE MORNING AND MINUS 20 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. TUESDAY NIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 27. WIND CHILL MINUS 20 IN THE EVENING AND MINUS 36 OVERNIGHT. RISK OF FROSTBITE. NORMAN WELLS - TULITA REGION. TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 33. WIND CHILL MINUS 28 THIS EVENING AND MINUS 40 OVERNIGHT. FROSTBITE IN MINUTES. TUESDAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 19. WIND CHILL MINUS 39 IN THE MORNING AND MINUS 28 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. TUESDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY IN THE EVENING. WIND UP TO 15 KM/H. LOW MINUS 28. WIND CHILL MINUS 28 IN THE EVENING AND MINUS 37 OVERNIGHT. RISK OF FROSTBITE. FORT GOOD HOPE REGION. TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 33. WIND CHILL MINUS 25 THIS EVENING AND MINUS 39 OVERNIGHT. RISK OF FROSTBITE. TUESDAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 23. WIND CHILL MINUS 39 IN THE MORNING AND MINUS 28 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. TUESDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY IN THE EVENING. WIND UP TO 15 KM/H. LOW MINUS 27. WIND CHILL MINUS 28 IN THE EVENING AND MINUS 36 OVERNIGHT. RISK OF FROSTBITE. DELINE. TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 34. WIND CHILL MINUS 33 THIS EVENING AND MINUS 40 OVERNIGHT. FROSTBITE IN MINUTES. TUESDAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 21. WIND CHILL MINUS 40 IN THE MORNING AND MINUS 30 IN THE AFTERNOON. FROSTBITE IN MINUTES. UV INDEX 1 OR LOW. TUESDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY IN THE EVENING. WIND UP TO 15 KM/H. LOW MINUS 25. WIND CHILL MINUS 30 IN THE EVENING AND MINUS 35 OVERNIGHT. RISK OF FROSTBITE. COLVILLE LAKE. TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 38. WIND CHILL MINUS 30 THIS EVENING AND MINUS 45 OVERNIGHT. FROSTBITE IN MINUTES. TUESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 20. WIND CHILL MINUS 45 IN THE MORNING AND MINUS 27 IN THE AFTERNOON. FROSTBITE IN MINUTES. UV INDEX 1 OR LOW. TUESDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 24. WIND CHILL MINUS 27 IN THE EVENING AND MINUS 32 OVERNIGHT. RISK OF FROSTBITE. END