FPCN11 CWNT 151030 FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 5:00 A.M. MDT WEDNESDAY 15 APRIL 2026 FOR TODAY AND THURSDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. MDT. THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE. TODAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 6. WIND CHILL MINUS 25 THIS MORNING AND MINUS 10 THIS AFTERNOON. UV INDEX 3 OR MODERATE. TONIGHT..INCREASING CLOUDINESS EARLY THIS EVENING. WIND UP TO 15 KM/H. LOW MINUS 16. WIND CHILL MINUS 10 THIS EVENING AND MINUS 22 OVERNIGHT. THURSDAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTH 20 KM/H NEAR NOON. HIGH PLUS 2. WIND CHILL MINUS 22 IN THE MORNING. UV INDEX 3 OR MODERATE. LUTSEL K'E REGION. TODAY..MAINLY SUNNY. INCREASING CLOUDINESS THIS AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 12. WIND CHILL MINUS 39 THIS MORNING AND MINUS 18 THIS AFTERNOON. RISK OF FROSTBITE. UV INDEX 2 OR LOW. TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. LOW MINUS 16. WIND CHILL NEAR MINUS 22. THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. HIGH MINUS 6. WIND CHILL MINUS 21 IN THE MORNING AND MINUS 10 IN THE AFTERNOON. UV INDEX 2 OR LOW. FT. RESOLUTION REGION INCLUDING HWY. 6. TODAY..INCREASING CLOUDINESS THIS MORNING. WIND UP TO 15 KM/H. HIGH MINUS 7. WIND CHILL MINUS 27 THIS MORNING AND MINUS 12 THIS AFTERNOON. UV INDEX 2 OR LOW. TONIGHT..CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 11. WIND CHILL NEAR MINUS 16. THURSDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH ZERO. WIND CHILL MINUS 16 IN THE MORNING. UV INDEX 2 OR LOW. HAY RIVER REGION INCLUDING ENTERPRISE. TODAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY THIS MORNING. WIND UP TO 15 KM/H. HIGH MINUS 9. WIND CHILL MINUS 29 THIS MORNING AND MINUS 16 THIS AFTERNOON. RISK OF FROSTBITE. UV INDEX 2 OR LOW. TONIGHT..CLOUDY. BECOMING PARTLY CLOUDY THIS EVENING. WIND UP TO 15 KM/H. LOW MINUS 13. WIND CHILL NEAR MINUS 19. THURSDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY IN THE AFTERNOON WITH 60 PERCENT CHANCE OF FLURRIES LATE IN THE AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 1. WIND CHILL MINUS 18 IN THE MORNING AND MINUS 5 IN THE AFTERNOON. UV INDEX 3 OR MODERATE. FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE. TODAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF FLURRIES THIS MORNING. WIND UP TO 15 KM/H. HIGH MINUS 7. WIND CHILL MINUS 24 THIS MORNING AND MINUS 11 THIS AFTERNOON. UV INDEX 2 OR LOW. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. LOW MINUS 13. WIND CHILL NEAR MINUS 16. THURSDAY..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. HIGH MINUS 3. WIND CHILL MINUS 16 IN THE MORNING AND MINUS 7 IN THE AFTERNOON. UV INDEX 2 OR LOW. FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER. TODAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF FLURRIES THIS MORNING. WIND UP TO 15 KM/H. HIGH MINUS 2. WIND CHILL MINUS 18 THIS MORNING AND MINUS 6 THIS AFTERNOON. UV INDEX 2 OR LOW. TONIGHT..MAINLY CLOUDY. PERIODS OF LIGHT SNOW BEGINNING AFTER MIDNIGHT. WIND UP TO 15 KM/H. LOW MINUS 8. WIND CHILL MINUS 6 THIS EVENING AND MINUS 13 OVERNIGHT. THURSDAY..PERIODS OF SNOW ENDING NEAR NOON THEN CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. BECOMING A MIX OF SUN AND CLOUD LATE IN THE AFTERNOON. WIND BECOMING NORTHWEST 20 KM/H NEAR NOON. HIGH MINUS 3. WIND CHILL MINUS 14 IN THE MORNING AND MINUS 7 IN THE AFTERNOON. UV INDEX 2 OR LOW. FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E. TODAY..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES EARLY THIS MORNING THEN A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH PLUS 4. WIND CHILL MINUS 14 THIS MORNING. UV INDEX 3 OR MODERATE. TONIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 12. WIND CHILL MINUS 18 OVERNIGHT. THURSDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND BECOMING NORTHEAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH PLUS 1. WIND CHILL MINUS 18 IN THE MORNING. UV INDEX 2 OR LOW. YELLOWKNIFE REGION. TODAY..MAINLY CLOUDY. WIND UP TO 15 KM/H. HIGH MINUS 8. WIND CHILL MINUS 30 THIS MORNING AND MINUS 14 THIS AFTERNOON. RISK OF FROSTBITE. UV INDEX 2 OR LOW. TONIGHT..CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. LOW MINUS 12. WIND CHILL NEAR MINUS 19. THURSDAY..PERIODS OF SNOW. AMOUNT 2 CM. WIND UP TO 15 KM/H. HIGH MINUS 4. WIND CHILL MINUS 19 IN THE MORNING AND MINUS 9 IN THE AFTERNOON. UV INDEX 1 OR LOW. NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO. TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES LATE THIS AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 9. WIND CHILL MINUS 32 THIS MORNING AND MINUS 14 THIS AFTERNOON. RISK OF FROSTBITE. UV INDEX 2 OR LOW. TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. LOW MINUS 14. WIND CHILL MINUS 14 THIS EVENING AND MINUS 20 OVERNIGHT. THURSDAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. HIGH MINUS 6. WIND CHILL MINUS 20 IN THE MORNING AND MINUS 10 IN THE AFTERNOON. UV INDEX 2 OR LOW. WRIGLEY REGION. TODAY..PERIODS OF SNOW. LOCAL AMOUNT 2 CM. WIND UP TO 15 KM/H. HIGH MINUS 6. WIND CHILL MINUS 18 THIS MORNING AND MINUS 10 THIS AFTERNOON. TONIGHT..PERIODS OF SNOW. AMOUNT 2 TO 4 CM. WIND UP TO 15 KM/H. LOW MINUS 11. WIND CHILL NEAR MINUS 14. THURSDAY..CLOUDY. 60 PERCENT CHANCE OF FLURRIES IN THE MORNING. WIND UP TO 15 KM/H. HIGH MINUS 3. WIND CHILL MINUS 16 IN THE MORNING AND MINUS 7 IN THE AFTERNOON. UV INDEX 2 OR LOW. NORMAN WELLS - TULITA REGION. TODAY..PERIODS OF SNOW. LOCAL AMOUNT 2 CM. WIND UP TO 15 KM/H. HIGH MINUS 7. WIND CHILL MINUS 21 THIS MORNING AND MINUS 12 THIS AFTERNOON. UV INDEX 1 OR LOW. TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. LOW MINUS 14. WIND CHILL MINUS 12 THIS EVENING AND MINUS 17 OVERNIGHT. THURSDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES IN THE MORNING. WIND UP TO 15 KM/H. HIGH MINUS 4. WIND CHILL MINUS 17 IN THE MORNING AND MINUS 9 IN THE AFTERNOON. UV INDEX 2 OR LOW. FORT GOOD HOPE REGION. TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. HIGH MINUS 7. WIND CHILL MINUS 23 THIS MORNING AND MINUS 12 THIS AFTERNOON. UV INDEX 2 OR LOW. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. LOW MINUS 16. WIND CHILL MINUS 12 THIS EVENING AND MINUS 22 OVERNIGHT. THURSDAY..MAINLY CLOUDY. WIND UP TO 15 KM/H. HIGH MINUS 4. WIND CHILL MINUS 20 IN THE MORNING AND MINUS 6 IN THE AFTERNOON. UV INDEX 2 OR LOW. DELINE. TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. HIGH MINUS 9. WIND CHILL MINUS 28 THIS MORNING AND MINUS 16 THIS AFTERNOON. RISK OF FROSTBITE. UV INDEX 2 OR LOW. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. LOW MINUS 17. WIND CHILL MINUS 16 THIS EVENING AND MINUS 24 OVERNIGHT. THURSDAY..MAINLY CLOUDY. WIND UP TO 15 KM/H. HIGH MINUS 9. WIND CHILL MINUS 24 IN THE MORNING AND MINUS 14 IN THE AFTERNOON. UV INDEX 2 OR LOW. COLVILLE LAKE. TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. HIGH MINUS 10. WIND CHILL MINUS 30 THIS MORNING AND MINUS 15 THIS AFTERNOON. RISK OF FROSTBITE. UV INDEX 2 OR LOW. TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES THIS EVENING. WIND UP TO 15 KM/H. LOW MINUS 22. WIND CHILL MINUS 15 THIS EVENING AND MINUS 27 OVERNIGHT. THURSDAY..A MIX OF SUN AND CLOUD. 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. END