FPCN11 CWNT 271630 FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. MDT SUNDAY 27 APRIL 2025 FOR TODAY AND MONDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 4:00 P.M. MDT. THEBACHA REGION INCLUDING FT. SMITH - SALT RIVER RESERVE. TODAY..CLEARING EARLY THIS AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 2. WIND CHILL MINUS 15 THIS MORNING AND MINUS 4 THIS AFTERNOON. UV INDEX 3 OR MODERATE. TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 10. WIND CHILL MINUS 4 THIS EVENING AND MINUS 15 OVERNIGHT. MONDAY..MAINLY SUNNY. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 EARLY IN THE AFTERNOON. HIGH 10. WIND CHILL MINUS 12 IN THE MORNING. UV INDEX 4 OR MODERATE. LUTSEL K'E REGION. TODAY..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES EARLY THIS AFTERNOON. CLEARING THIS AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 10. WIND CHILL MINUS 20 THIS MORNING AND MINUS 15 THIS AFTERNOON. UV INDEX 2 OR LOW. TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 18. WIND CHILL MINUS 15 THIS EVENING AND MINUS 25 OVERNIGHT. MONDAY..INCREASING CLOUDINESS. 60 PERCENT CHANCE OF FLURRIES IN THE AFTERNOON. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 EARLY IN THE AFTERNOON. HIGH ZERO. WIND CHILL MINUS 18 IN THE MORNING. UV INDEX 3 OR MODERATE. FT. RESOLUTION REGION INCLUDING HWY. 6. TODAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 6. WIND CHILL MINUS 15 THIS MORNING AND MINUS 10 THIS AFTERNOON. UV INDEX 3 OR MODERATE. TONIGHT..CLEAR. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. WIND UP TO 15 KM/H. LOW MINUS 11. WIND CHILL MINUS 16 THIS EVENING. MONDAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 10. WIND CHILL MINUS 10 IN THE MORNING. UV INDEX 3 OR MODERATE. HAY RIVER REGION INCLUDING ENTERPRISE. TODAY..SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 6. WIND CHILL NEAR MINUS 15. UV INDEX 3 OR MODERATE. TONIGHT..CLEAR. BECOMING PARTLY CLOUDY THIS EVENING. WIND UP TO 15 KM/H. LOW MINUS 9. WIND CHILL MINUS 14 THIS EVENING. MONDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH 12. WIND CHILL MINUS 7 IN THE MORNING. UV INDEX 4 OR MODERATE. FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE. TODAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 2. WIND CHILL MINUS 10 THIS MORNING AND MINUS 5 THIS AFTERNOON. UV INDEX 3 OR MODERATE. TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 10. WIND CHILL MINUS 13 THIS EVENING. MONDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES IN THE MORNING. CLEARING IN THE AFTERNOON. WIND UP TO 15 KM/H. HIGH 10. WIND CHILL MINUS 8 IN THE MORNING. UV INDEX 3 OR MODERATE. FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER. TODAY..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES EARLY THIS AFTERNOON THEN A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH PLUS 5. WIND CHILL MINUS 7 THIS MORNING. UV INDEX 2 OR LOW. TONIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 5. WIND CHILL MINUS 9 OVERNIGHT. MONDAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH 8. WIND CHILL MINUS 9 IN THE MORNING. UV INDEX 3 OR MODERATE. FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E. TODAY..A MIX OF SUN AND CLOUD. WIND SOUTHWEST 20 KM/H. HIGH 14. UV INDEX 3 OR MODERATE. TONIGHT..PARTLY CLOUDY. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 3. WIND CHILL MINUS 7 OVERNIGHT. MONDAY..A MIX OF SUN AND CLOUD. BECOMING CLOUDY NEAR NOON. WIND UP TO 15 KM/H. HIGH 10. WIND CHILL MINUS 7 IN THE MORNING. UV INDEX 3 OR MODERATE. YELLOWKNIFE REGION. TODAY..MAINLY SUNNY. WIND UP TO 15 KM/H. HIGH MINUS 5. WIND CHILL MINUS 18 THIS MORNING AND MINUS 11 THIS AFTERNOON. UV INDEX 3 OR MODERATE. TONIGHT..CLEAR. WIND BECOMING EAST 20 KM/H GUSTING TO 40 OVERNIGHT. LOW MINUS 15. WIND CHILL MINUS 11 THIS EVENING AND MINUS 24 OVERNIGHT. MONDAY..INCREASING CLOUDINESS THEN 60 PERCENT CHANCE OF FLURRIES LATE IN THE MORNING AND EARLY AFTERNOON. CLEARING LATE IN THE AFTERNOON. WIND EAST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE MORNING. HIGH 6. WIND CHILL MINUS 18 IN THE MORNING. UV INDEX 2 OR LOW. NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO. TODAY..MAINLY SUNNY EXCEPT CLOUDY OVER EASTERN SECTIONS. WIND UP TO 15 KM/H. HIGH MINUS 1 EXCEPT MINUS 10 OVER EASTERN SECTIONS. WIND CHILL MINUS 12 THIS MORNING AND MINUS 5 THIS AFTERNOON. UV INDEX 3 OR MODERATE. TONIGHT..A FEW CLOUDS. WIND UP TO 15 KM/H. LOW MINUS 13 EXCEPT MINUS 18 OVER EASTERN SECTIONS. WIND CHILL MINUS 14 THIS EVENING. MONDAY..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 PLUS 4 EXCEPT MINUS 5 OVER EASTERN SECTIONS. WIND CHILL MINUS 19 IN THE MORNING. UV INDEX 3 OR MODERATE. WRIGLEY REGION. TODAY..A MIX OF SUN AND CLOUD. WIND SOUTHEAST 20 KM/H. HIGH PLUS 2. WIND CHILL MINUS 8 THIS MORNING. UV INDEX 3 OR MODERATE. TONIGHT..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF FLURRIES. WIND SOUTHEAST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW MINUS 8. WIND CHILL MINUS 11 OVERNIGHT. MONDAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. HIGH PLUS 4. WIND CHILL MINUS 11 IN THE MORNING. UV INDEX 3 OR MODERATE. NORMAN WELLS - TULITA REGION. TODAY..SUNNY. INCREASING CLOUDINESS LATE THIS AFTERNOON. WIND UP TO 15 KM/H. HIGH ZERO. WIND CHILL MINUS 11 THIS MORNING. UV INDEX 3 OR MODERATE. TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. LOW MINUS 7. WIND CHILL MINUS 10 OVERNIGHT. MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. HIGH ZERO. WIND CHILL MINUS 10 IN THE MORNING. UV INDEX 2 OR LOW. FORT GOOD HOPE REGION. TODAY..SUNNY. INCREASING CLOUDINESS LATE THIS AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 2. WIND CHILL MINUS 15 THIS MORNING AND MINUS 6 THIS AFTERNOON. UV INDEX 3 OR MODERATE. TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. LOW MINUS 9. WIND CHILL MINUS 6 THIS EVENING AND MINUS 14 OVERNIGHT. MONDAY..CLOUDY WITH 30 PERCENT CHANCE OF FLURRIES. WIND UP TO 15 KM/H. HIGH MINUS 1. WIND CHILL MINUS 14 IN THE MORNING AND MINUS 5 IN THE AFTERNOON. UV INDEX 2 OR LOW. DELINE. TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING EAST 20 KM/H THIS AFTERNOON. HIGH MINUS 3. WIND CHILL MINUS 16 THIS MORNING AND MINUS 9 THIS AFTERNOON. UV INDEX 3 OR MODERATE. TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES LATE THIS EVENING AND OVERNIGHT. WIND EAST 20 KM/H BECOMING LIGHT THIS EVENING. LOW MINUS 9. WIND CHILL MINUS 9 THIS EVENING AND MINUS 14 OVERNIGHT. MONDAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF FLURRIES IN THE MORNING. WIND UP TO 15 KM/H. HIGH MINUS 1. WIND CHILL MINUS 14 IN THE MORNING AND MINUS 5 IN THE AFTERNOON. UV INDEX 3 OR MODERATE. COLVILLE LAKE. TODAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON. WIND UP TO 15 KM/H. HIGH MINUS 6. WIND CHILL MINUS 20 THIS MORNING AND MINUS 8 THIS AFTERNOON. UV INDEX 3 OR MODERATE. TONIGHT..PARTLY CLOUDY. WIND UP TO 15 KM/H. LOW MINUS 14. WIND CHILL MINUS 8 THIS EVENING AND MINUS 17 OVERNIGHT. MONDAY..A MIX OF SUN AND CLOUD. WIND UP TO 15 KM/H. HIGH MINUS 8. WIND CHILL MINUS 17 IN THE MORNING AND MINUS 11 IN THE AFTERNOON. UV INDEX 3 OR MODERATE. END