Extended forecasts for the Great Slave lake and Mackenzie river areas of the Northwest Territories
* NOTE: Corrected and/or amended bulletins are listed first *
FPCN51 CWNT 101630 Extended forecasts from Monday night 11 May to Saturday 16 May for the Great Slave Lake and Mackenzie River areas of the Northwest Territories issued by Environment Canada at 10:30 a.m. MDT Sunday 10 May 2026. The next scheduled forecast will be issued at 3:30 p.m. MDT. Thebacha Region including Ft. Smith - Salt River Reserve. Monday night..Cloudy periods with 60 percent chance of showers. Low plus 3. Tuesday..Sunny. High 16. Tuesday night..Cloudy periods. Low plus 4. Wednesday..Sunny. High 15. Wednesday night..Clear. Low plus 4. Thursday..A mix of sun and cloud. High 12. Thursday night..Cloudy periods. Low plus 5. Friday..A mix of sun and cloud. High 16. Friday night..Cloudy periods with 30 percent chance of showers. Low plus 4. Saturday..A mix of sun and cloud. High 12. Normals for the period..Low plus 1. High 14. Lutsel K'e Region. Monday night..Clear. Low minus 4. Tuesday..Cloudy. High 6. Tuesday night..Cloudy periods. Low minus 2. Wednesday..Cloudy with 40 percent chance of showers. High 7. Wednesday night..Cloudy with 40 percent chance of showers. Low minus 1. Thursday..A mix of sun and cloud. High plus 3. Thursday night..Cloudy periods. Low minus 1. Friday..A mix of sun and cloud. High 8. Friday night..Cloudy periods. Low minus 1. Saturday..A mix of sun and cloud. High 7. Normals for the period..Low minus 2. High 8. Ft. Resolution Region including Hwy. 6. Monday night..Cloudy periods. Low plus 2. Tuesday..Sunny. High 11. Tuesday night..Clear. Low plus 3. Wednesday..A mix of sun and cloud. High 14. Wednesday night..Cloudy periods. Low plus 3. Thursday..Cloudy with 30 percent chance of showers. High 10. Thursday night..Cloudy periods. Low plus 2. Friday..A mix of sun and cloud. High 12. Friday night..Cloudy periods. Low plus 2. Saturday..A mix of sun and cloud. High 10. Normals for the period..Low zero. High 11. Hay River Region including Enterprise. Monday night..Cloudy periods with 30 percent chance of showers. Low plus 4. Tuesday..A mix of sun and cloud. High 11. Tuesday night..Cloudy periods. Low plus 2. Wednesday..A mix of sun and cloud. High 13. Wednesday night..Cloudy periods. Low plus 2. Thursday..Cloudy with 70 percent chance of showers. High 7. Thursday night..Cloudy periods. Low plus 3. Friday..A mix of sun and cloud. High 8. Friday night..Cloudy periods. Low plus 2. Saturday..A mix of sun and cloud. High 7. Normals for the period..Low zero. High 11. Ft. Providence Region including Kakisa - Chan Lake. Monday night..Clear. Low plus 2. Tuesday..Sunny. High 15. Tuesday night..Clear. Low plus 3. Wednesday..Sunny. High 17. Wednesday night..Increasing cloudiness. Low plus 3. Thursday..Showers. High 11. Thursday night..Cloudy periods. Low plus 2. Friday..A mix of sun and cloud. High 12. Friday night..Cloudy periods. Low plus 2. Saturday..A mix of sun and cloud. High 11. Normals for the period..Low plus 1. High 12. Ft. Simpson Region including Jean Marie River. Monday night..Clearing. Low 6. Tuesday..Sunny. High 17. Tuesday night..Clear. Low plus 5. Wednesday..Sunny. High 16. Wednesday night..Cloudy with 60 percent chance of showers. Low 6. Thursday..Cloudy. High 14. Thursday night..Cloudy periods. Low plus 3. Friday..A mix of sun and cloud. High 12. Friday night..Cloudy periods. Low plus 2. Saturday..A mix of sun and cloud. High 12. Normals for the period..Low plus 2. High 15. Ft. Liard Region including Nahanni Butte - Sambaa K'e. Monday night..Clear. Low plus 4. Tuesday..A mix of sun and cloud. High 19. Tuesday night..Clear. Low plus 3. Wednesday..Increasing cloudiness. High 18. Wednesday night..Clearing. Low 7. Thursday..Sunny. High 19. Thursday night..Cloudy periods. Low plus 3. Friday..A mix of sun and cloud with 30 percent chance of showers. High 12. Friday night..Cloudy periods. Low plus 2. Saturday..A mix of sun and cloud. High 13. Normals for the period..Low plus 3. High 16. Yellowknife Region. Monday night..Increasing cloudiness. Low plus 2. Tuesday..Cloudy. High 10. Tuesday night..Clear. Low plus 1. Wednesday..A mix of sun and cloud with 40 percent chance of showers. High 11. Wednesday night..Cloudy periods. Low zero. Thursday..Cloudy. High 9. Thursday night..Cloudy periods. Low zero. Friday..A mix of sun and cloud. High 9. Friday night..Cloudy periods. Low minus 1. Saturday..A mix of sun and cloud. High 8. Normals for the period..Low zero. High 10. North Slave Region including Wekweeti - Whati - Behchoko. Monday night..Cloudy periods with 60 percent chance of showers. Low plus 2. Tuesday..A mix of sun and cloud. High 11. Tuesday night..Increasing cloudiness. Low plus 1. Wednesday..Cloudy with 60 percent chance of showers. High 9. Wednesday night..Clear. Low minus 1. Thursday..A mix of sun and cloud with 30 percent chance of flurries. High 6. Thursday night..Cloudy periods. Low minus 1. Friday..A mix of sun and cloud. High 9. Friday night..Cloudy periods. Low minus 1. Saturday..A mix of sun and cloud. High 9. Normals for the period..Low minus 1. High 10. Wrigley Region. Monday night..Cloudy periods with 40 percent chance of showers. Low plus 3. Tuesday..A mix of sun and cloud. High 15. Tuesday night..Cloudy with 60 percent chance of showers. Low plus 4. Wednesday..Cloudy. High 13. Wednesday night..Rain. Low plus 3. Thursday..Cloudy with 70 percent chance of showers. High 12. Thursday night..Cloudy periods. Low minus 1. Friday..A mix of sun and cloud. High 10. Friday night..Cloudy periods. Low zero. Saturday..A mix of sun and cloud. High 10. Normals for the period..Low plus 1. High 13. Norman Wells - Tulita Region. Monday night..Cloudy periods with 60 percent chance of showers. Low zero. Tuesday..Cloudy. High 11. Tuesday night..Cloudy with 40 percent chance of showers. Low plus 3. Wednesday..Cloudy with 30 percent chance of showers. High 7. Wednesday night..Cloudy with 60 percent chance of rain showers or flurries. Low minus 2. Thursday..Cloudy with 60 percent chance of flurries or rain showers. High 6. Thursday night..Cloudy periods. Low zero. Friday..A mix of sun and cloud. High 8. Friday night..Cloudy periods. Low zero. Saturday..A mix of sun and cloud. High 10. Normals for the period..Low zero. High 11. Fort Good Hope Region. Monday night..Cloudy. Low plus 1. Tuesday..Cloudy. High 8. Tuesday night..Cloudy. Low minus 1. Wednesday..Cloudy. High 6. Wednesday night..Cloudy. Low minus 4. Thursday..Cloudy. High 6. Thursday night..Cloudy periods. Low minus 4. Friday..A mix of sun and cloud. High 6. Friday night..Cloudy periods. Low minus 3. Saturday..A mix of sun and cloud. High 7. Normals for the period..Low minus 2. High 9. Deline. Monday night..Cloudy. Low minus 1. Tuesday..A mix of sun and cloud. High 6. Tuesday night..Cloudy with 60 percent chance of flurries. Low minus 3. Wednesday..Cloudy. High plus 3. Wednesday night..Cloudy with 60 percent chance of flurries. Low minus 5. Thursday..Cloudy with 60 percent chance of flurries. High plus 4. Thursday night..Cloudy periods. Low minus 3. Friday..A mix of sun and cloud. High 7. Friday night..Cloudy periods. Low minus 3. Saturday..A mix of sun and cloud. High 8. Normals for the period..Low minus 2. High 9. Colville Lake. Monday night..Cloudy with 60 percent chance of flurries. Low minus 5. Tuesday..A mix of sun and cloud. High plus 4. Tuesday night..Cloudy periods. Low minus 5. Wednesday..A mix of sun and cloud. High plus 3. Wednesday night..Cloudy periods. Low minus 8. Thursday..A mix of sun and cloud. High plus 2. Thursday night..Cloudy periods. Low minus 6. Friday..A mix of sun and cloud. High plus 3. Friday night..Cloudy periods. Low minus 5. Saturday..A mix of sun and cloud. High plus 5. Normals for the period..Low minus 4. High plus 5. End $$$$^^
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