FPCN12 CWNT 132139 FORECASTS FOR THE MACKENZIE DELTA AND ARCTIC COAST AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. MDT MONDAY 13 APRIL 2026 FOR TONIGHT TUESDAY AND TUESDAY NIGHT. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT TUESDAY. SOUTH DELTA REGION INCLUDING FT. MCPHERSON - TSIIGEHTCHIC. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND NORTH 20 KM/H GUSTING TO 40 BECOMING LIGHT NEAR MIDNIGHT. LOW MINUS 20. WIND CHILL MINUS 18 THIS EVENING AND MINUS 26 OVERNIGHT. 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 27 IN THE MORNING AND MINUS 18 IN THE AFTERNOON. UV INDEX 2 OR LOW. TUESDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES EARLY IN THE EVENING. WIND UP TO 15 KM/H. LOW MINUS 20. WIND CHILL MINUS 18 IN THE EVENING AND MINUS 27 OVERNIGHT. AKLAVIK REGION. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND NORTH 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW MINUS 21. WIND CHILL MINUS 22 THIS EVENING AND MINUS 30 OVERNIGHT. RISK OF FROSTBITE. TUESDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 13. WIND CHILL MINUS 30 IN THE MORNING AND MINUS 20 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 2 OR LOW. TUESDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 22. WIND CHILL MINUS 20 IN THE EVENING AND MINUS 28 OVERNIGHT. RISK OF FROSTBITE. INUVIK REGION. TONIGHT..CLEAR THIS EVENING THEN PARTLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES LATE THIS EVENING AND OVERNIGHT. WIND NORTHWEST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW MINUS 23. WIND CHILL NEAR MINUS 31. RISK OF FROSTBITE. TUESDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 16. WIND CHILL MINUS 31 IN THE MORNING AND MINUS 22 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 2 OR LOW. TUESDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 23. WIND CHILL MINUS 22 IN THE EVENING AND MINUS 31 OVERNIGHT. RISK OF FROSTBITE. TUKTOYAKTUK - EAST CHANNEL REGION. TONIGHT..PARTLY CLOUDY. WIND NORTH 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW MINUS 25. WIND CHILL MINUS 29 THIS EVENING AND MINUS 35 OVERNIGHT. RISK OF FROSTBITE. TUESDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 20. WIND CHILL MINUS 35 IN THE MORNING AND MINUS 29 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 2 OR LOW. TUESDAY NIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 26. WIND CHILL NEAR MINUS 33. RISK OF FROSTBITE. PAULATUK. TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 23. WIND CHILL MINUS 23 THIS EVENING AND MINUS 33 OVERNIGHT. RISK OF FROSTBITE. TUESDAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 17. WIND CHILL MINUS 33 IN THE MORNING AND MINUS 25 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. TUESDAY NIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 24. WIND CHILL NEAR MINUS 31. RISK OF FROSTBITE. SACHS HARBOUR. TONIGHT..CLEAR. WIND EAST 30 KM/H. LOW MINUS 22. WIND CHILL MINUS 30 THIS EVENING AND MINUS 35 OVERNIGHT. RISK OF FROSTBITE. TUESDAY..SUNNY. WIND EAST 30 KM/H. HIGH MINUS 17. WIND CHILL MINUS 35 IN THE MORNING AND MINUS 27 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. TUESDAY NIGHT..CLEAR. WIND EAST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW MINUS 24. WIND CHILL MINUS 27 IN THE EVENING AND MINUS 34 OVERNIGHT. RISK OF FROSTBITE. ULUKHAKTOK. TONIGHT..A FEW CLOUDS. WIND EAST 30 KM/H GUSTING TO 50 BECOMING LIGHT OVERNIGHT. LOW MINUS 24. WIND CHILL MINUS 29 THIS EVENING AND MINUS 37 OVERNIGHT. RISK OF FROSTBITE. TUESDAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 17. WIND CHILL MINUS 34 IN THE MORNING AND MINUS 25 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. TUESDAY NIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 25. WIND CHILL MINUS 27 IN THE EVENING AND MINUS 33 OVERNIGHT. RISK OF FROSTBITE. END