FPCN11 CWNT 211030 FORECASTS FOR THE GREAT SLAVE LAKE AND MACKENZIE RIVER AREAS OF THE NORTHWEST TERRITORIES ISSUED BY ENVIRONMENT CANADA AT 5:00 A.M. MDT SUNDAY 21 JUNE 2026 FOR TODAY AND MONDAY. 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. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING THIS MORNING. HIGH 22. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 10. MONDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 25. UV INDEX 6 OR HIGH. LUTSEL K'E REGION. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS AFTERNOON. HIGH 16. UV INDEX 5 OR MODERATE. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 6. MONDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 19. UV INDEX 5 OR MODERATE. FT. RESOLUTION REGION INCLUDING HWY. 6. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING THIS MORNING. HIGH 20. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 8. MONDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 22. UV INDEX 5 OR MODERATE. HAY RIVER REGION INCLUDING ENTERPRISE. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. FOG PATCHES DISSIPATING THIS MORNING. HIGH 18. UV INDEX 5 OR MODERATE. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING. LOW 8. MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 23. UV INDEX 6 OR HIGH. FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. HIGH 22. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING. LOW 9. MONDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. HIGH 26. UV INDEX 6 OR HIGH. FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. HIGH 23. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. LOW 13. MONDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS LATE IN THE AFTERNOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. HIGH 27. HUMIDEX 28. UV INDEX 5 OR MODERATE. FT. LIARD REGION INCLUDING NAHANNI BUTTE - SAMBAA K'E. TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON. HIGH 24. HUMIDEX 25. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. LOW 12. MONDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 29. HUMIDEX 31. UV INDEX 6 OR HIGH. YELLOWKNIFE REGION. TODAY..SUNNY EARLY THIS MORNING THEN A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS AFTERNOON. HIGH 16. UV INDEX 5 OR MODERATE. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 8. MONDAY..MAINLY SUNNY. HIGH 22. UV INDEX 5 OR MODERATE. NORTH SLAVE REGION INCLUDING WEKWEETI - WHATI - BEHCHOKO. TODAY..A MIX OF SUN AND CLOUD. 60 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM THIS AFTERNOON. HIGH 21. UV INDEX 5 OR MODERATE. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 10. MONDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. HIGH 23. UV INDEX 5 OR MODERATE. WRIGLEY REGION. TODAY..A MIX OF SUN AND CLOUD. HIGH 25. UV INDEX 5 OR MODERATE. TONIGHT..CLEARING LATE THIS EVENING. LOW 12. MONDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. HIGH 28. HUMIDEX 29. UV INDEX 5 OR MODERATE. NORMAN WELLS - TULITA REGION. TODAY..SUNNY. HIGH 25. UV INDEX 5 OR MODERATE. TONIGHT..CLEAR. LOW 11. MONDAY..SUNNY IN THE MORNING AND EARLY IN THE AFTERNOON THEN A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON. RISK OF A THUNDERSTORM IN THE AFTERNOON. LOCAL SMOKE IN THE AFTERNOON. HIGH 27. UV INDEX 5 OR MODERATE. FORT GOOD HOPE REGION. TODAY..SUNNY. LOCAL SMOKE. HIGH 27. UV INDEX 5 OR MODERATE. TONIGHT..SUNNY. LOCAL SMOKE. LOW 13. MONDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. HIGH 27. UV INDEX 5 OR MODERATE. DELINE. TODAY..MAINLY SUNNY. HIGH 18. UV INDEX 5 OR MODERATE. TONIGHT..CLEAR. LOW 9. MONDAY..SUNNY. HIGH 21. UV INDEX 5 OR MODERATE. COLVILLE LAKE. TODAY..SUNNY. LOCAL SMOKE. HIGH 22. UV INDEX 5 OR MODERATE. TONIGHT..MAINLY SUNNY. LOCAL SMOKE. LOW 12. MONDAY..SUNNY. LOCAL SMOKE. HIGH 22. UV INDEX 5 OR MODERATE. END