FPCN11 CWNT 191030 FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 5:00 A.M. MDT THURSDAY 19 MARCH 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. BECOMING CLOUDY NEAR NOON THEN SNOW. AMOUNT 2 CM. WIND UP TO 15 KM/H. HIGH MINUS 9. WIND CHILL MINUS 24 THIS MORNING AND MINUS 14 THIS AFTERNOON. UV INDEX 1 OR LOW. TONIGHT..SNOW ENDING OVERNIGHT THEN CLEARING. AMOUNT 2 TO 4 CM. WIND UP TO 15 KM/H. LOW MINUS 20. WIND CHILL MINUS 14 THIS EVENING AND MINUS 28 OVERNIGHT. RISK OF FROSTBITE. FRIDAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 11. WIND CHILL MINUS 29 IN THE MORNING AND MINUS 16 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. LUTSEL K'E REGION. TODAY..INCREASING CLOUDINESS. LIGHT SNOW BEGINNING THIS MORNING. WIND UP TO 15 KM/H. HIGH MINUS 16. WIND CHILL MINUS 34 THIS MORNING AND MINUS 22 THIS AFTERNOON. RISK OF FROSTBITE. TONIGHT..LIGHT SNOW ENDING OVERNIGHT THEN CLEARING. WIND UP TO 15 KM/H. LOW MINUS 25. WIND CHILL MINUS 22 THIS EVENING AND MINUS 32 OVERNIGHT. RISK OF FROSTBITE. FRIDAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 18. WIND CHILL MINUS 30 IN THE MORNING AND MINUS 24 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. FT. RESOLUTION REGION INCLUDING HWY. 6. TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY NEAR NOON THEN SNOW. AMOUNT 2 CM. WIND BECOMING NORTH 20 KM/H THIS AFTERNOON. HIGH MINUS 15. WIND CHILL MINUS 31 THIS MORNING AND MINUS 22 THIS AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. TONIGHT..SNOW ENDING NEAR MIDNIGHT THEN CLEARING. AMOUNT 2 CM. WIND NORTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 26. WIND CHILL MINUS 25 THIS EVENING AND MINUS 35 OVERNIGHT. RISK OF FROSTBITE. FRIDAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 16. WIND CHILL MINUS 34 IN THE MORNING AND MINUS 22 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. HAY RIVER REGION INCLUDING ENTERPRISE. TODAY..INCREASING CLOUDINESS. SNOW BEGINNING THIS MORNING. AMOUNT 2 TO 4 CM. WIND BECOMING NORTH 20 KM/H THIS AFTERNOON. HIGH MINUS 17. WIND CHILL MINUS 32 THIS MORNING AND MINUS 27 THIS AFTERNOON. RISK OF FROSTBITE. TONIGHT..LIGHT SNOW ENDING THIS EVENING THEN CLEARING. WIND NORTH 20 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 28. WIND CHILL MINUS 26 THIS EVENING AND MINUS 36 OVERNIGHT. RISK OF FROSTBITE. FRIDAY..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. FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE. TODAY..CLOUDY. SNOW BEGINNING THIS MORNING. AMOUNT 2 TO 4 CM. WIND UP TO 15 KM/H. HIGH MINUS 13. WIND CHILL MINUS 22 THIS MORNING AND MINUS 16 THIS AFTERNOON. TONIGHT..LIGHT SNOW ENDING THIS EVENING THEN CLEARING. WIND UP TO 15 KM/H. LOW MINUS 25. WIND CHILL MINUS 16 THIS EVENING AND MINUS 30 OVERNIGHT. RISK OF FROSTBITE. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 13. WIND CHILL MINUS 30 IN THE MORNING AND MINUS 16 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER. TODAY..CLOUDY. SNOW BEGINNING THIS MORNING. AMOUNT 2 TO 4 CM. WIND UP TO 15 KM/H. HIGH MINUS 18. WIND CHILL NEAR MINUS 28. RISK OF FROSTBITE. TONIGHT..LIGHT SNOW ENDING THIS EVENING THEN PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 28. WIND CHILL MINUS 28 THIS EVENING AND MINUS 36 OVERNIGHT. RISK OF FROSTBITE. FRIDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY NEAR NOON WITH 30 PERCENT CHANCE OF FLURRIES IN THE AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 15. WIND CHILL MINUS 33 IN THE MORNING AND MINUS 20 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E. TODAY..PERIODS OF SNOW ENDING NEAR NOON THEN CLEARING. AMOUNT 2 TO 4 CM. WIND NORTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT NEAR NOON. HIGH MINUS 9. WIND CHILL MINUS 27 THIS MORNING AND MINUS 16 THIS AFTERNOON. UV INDEX 1 OR LOW. TONIGHT..CLEAR. BECOMING PARTLY CLOUDY OVERNIGHT. WIND UP TO 15 KM/H. LOW MINUS 21. WIND CHILL MINUS 16 THIS EVENING AND MINUS 30 OVERNIGHT. RISK OF FROSTBITE. FRIDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY NEAR NOON. WIND UP TO 15 KM/H. HIGH MINUS 12. WIND CHILL MINUS 30 IN THE MORNING AND MINUS 18 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. YELLOWKNIFE REGION. TODAY..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. HIGH MINUS 16. WIND CHILL MINUS 30 THIS MORNING AND MINUS 24 THIS AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES THIS EVENING. CLEARING OVERNIGHT. WIND UP TO 15 KM/H. LOW MINUS 27. WIND CHILL MINUS 24 THIS EVENING AND MINUS 36 OVERNIGHT. RISK OF FROSTBITE. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 18. WIND CHILL MINUS 38 IN THE MORNING AND MINUS 25 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO. TODAY..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. HIGH MINUS 18. WIND CHILL MINUS 34 THIS MORNING AND MINUS 25 THIS AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES EARLY THIS EVENING. CLEARING LATE THIS EVENING. WIND UP TO 15 KM/H. LOW MINUS 31. WIND CHILL MINUS 25 THIS EVENING AND MINUS 37 OVERNIGHT. RISK OF FROSTBITE. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 18. WIND CHILL MINUS 37 IN THE MORNING AND MINUS 23 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. WRIGLEY REGION. TODAY..INCREASING CLOUDINESS EARLY THIS MORNING. 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. HIGH MINUS 19. WIND CHILL MINUS 39 THIS MORNING AND MINUS 26 THIS AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES EARLY THIS EVENING THEN PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 30. WIND CHILL MINUS 26 THIS EVENING AND MINUS 36 OVERNIGHT. RISK OF FROSTBITE. FRIDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 19. WIND CHILL MINUS 36 IN THE MORNING AND MINUS 26 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. NORMAN WELLS - TULITA REGION. TODAY..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF FLURRIES LATE THIS MORNING AND THIS AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 21. WIND CHILL MINUS 43 THIS MORNING AND MINUS 28 THIS AFTERNOON. FROSTBITE IN MINUTES. UV INDEX 1 OR LOW. TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES EARLY THIS EVENING THEN PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 32. WIND CHILL MINUS 28 THIS EVENING AND MINUS 38 OVERNIGHT. RISK OF FROSTBITE. FRIDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 23. WIND CHILL MINUS 38 IN THE MORNING AND MINUS 33 IN THE AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. FORT GOOD HOPE REGION. TODAY..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF FLURRIES LATE THIS MORNING AND THIS AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 23. WIND CHILL MINUS 41 THIS MORNING AND MINUS 28 THIS AFTERNOON. FROSTBITE IN MINUTES. TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES EARLY THIS EVENING THEN PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 32. WIND CHILL MINUS 28 THIS EVENING AND MINUS 38 OVERNIGHT. RISK OF FROSTBITE. FRIDAY..A MIX OF SUN AND CLOUD. 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. DELINE. TODAY..SUNNY. INCREASING CLOUDINESS THIS MORNING THEN 30 PERCENT CHANCE OF FLURRIES THIS AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 21. WIND CHILL MINUS 37 THIS MORNING AND MINUS 28 THIS AFTERNOON. RISK OF FROSTBITE. UV INDEX 1 OR LOW. TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES EARLY THIS EVENING. CLEARING LATE THIS EVENING. WIND UP TO 15 KM/H. LOW MINUS 34. WIND CHILL MINUS 28 THIS EVENING AND MINUS 40 OVERNIGHT. FROSTBITE IN MINUTES. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. WIND UP TO 15 KM/H. HIGH MINUS 20. WIND CHILL MINUS 40 IN THE MORNING AND MINUS 28 IN THE AFTERNOON. FROSTBITE IN MINUTES. UV INDEX 1 OR LOW. COLVILLE LAKE. TODAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 25. WIND CHILL MINUS 42 THIS MORNING AND MINUS 30 THIS AFTERNOON. FROSTBITE IN MINUTES. UV INDEX 1 OR LOW. TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 36. WIND CHILL MINUS 30 THIS EVENING AND MINUS 46 OVERNIGHT. FROSTBITE IN MINUTES. FRIDAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 25. WIND CHILL MINUS 46 IN THE MORNING AND MINUS 34 IN THE AFTERNOON. FROSTBITE IN MINUTES. UV INDEX 1 OR LOW. END