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Forecasts for the Great Slave lake and Mackenzie river areas of the Northwest Territories


* NOTE: Corrected and/or amended bulletins are listed first *

 
FPCN11 CWNT 131100
Forecasts for the Great Slave Lake and Mackenzie River areas of the
Northwest Territories issued by Environment Canada at 5:00 a.m. MDT
Monday 13 July 2026 for today and Tuesday.
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. High 23. Humidex 25. UV
 index 5 or moderate.
Tonight..Partly cloudy with 30 percent chance of showers this evening
 then clear. Risk of a thunderstorm this evening. Low 14.
Tuesday..Sunny in the morning 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 30. UV index 5 or
 moderate.

Lutsel K'e Region.
Today..Mainly sunny. Wind becoming west 20 km/h this afternoon.
 High 24. Humidex 26. UV index 5 or moderate.
Tonight..A few clouds. Wind west 20 km/h becoming light this evening.
 Low 14.
Tuesday..Sunny. High 25. UV index 5 or moderate.

Ft. Resolution Region including Hwy. 6.
Today..Mainly sunny. High 24. Humidex 27. UV index 5 or moderate.
Tonight..A few clouds. Low 15.
Tuesday..Sunny in the morning then a mix of sun and cloud with
 30 percent chance of showers in the afternoon. Risk of a
 thunderstorm in the afternoon. High 27. Humidex 31. UV index 5 or
 moderate.

Hay River Region including Enterprise.
Today..Sunny this morning and early this afternoon then a mix of sun
 and cloud with 30 percent chance of showers this afternoon. Risk of
 a thunderstorm this afternoon. Local smoke late this afternoon.
 High 27. Humidex 29. UV index 5 or moderate.
Tonight..Partly cloudy with 30 percent chance of showers early this
 evening then clear. Risk of a thunderstorm early this evening. Local
 smoke. Low 16.
Tuesday..Sunny in the morning 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 30. UV index 5 or
 moderate.

Ft. Providence Region including Kakisa - Chan Lake.
Today..Sunny this morning and early this afternoon then a mix of sun
 and cloud with 30 percent chance of showers this afternoon. Risk of
 a thunderstorm this afternoon. Local smoke late this morning and
 this afternoon. High 29. Humidex 30. UV index 5 or moderate.
Tonight..Partly cloudy with 30 percent chance of showers this evening
 then clear. Risk of a thunderstorm this evening. Local smoke.
 Low 13.
Tuesday..Sunny in the morning 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. High 29. Humidex 31. UV
 index 5 or moderate.

Ft. Simpson Region including Jean Marie River.
Today..A mix of sun and cloud. 30 percent chance of showers this
 afternoon with risk of a thunderstorm. Widespread smoke. High 29.
 Humidex 30. UV index 5 or moderate.
Tonight..Partly cloudy with 30 percent chance of showers this
 evening. Becoming clear overnight. Risk of a thunderstorm this
 evening. Widespread smoke. Low 16.
Tuesday..Sunny. Local smoke. High 28. Humidex 30. UV index 5 or
 moderate.

Ft. Liard Region including Nahanni Butte - Sambaa K'e.
Today..A mix of sun and cloud. 30 percent chance of showers this
 afternoon with risk of a thunderstorm. Hazy. High 25. Humidex 29. UV
 index 5 or moderate.
Tonight..Partly cloudy with 30 percent chance of showers this
 evening. Becoming clear overnight. Risk of a thunderstorm this
 evening. Hazy. Low 13.
Tuesday..Sunny. High 28. Humidex 31. UV index 5 or moderate.

Yellowknife Region.
Today..Sunny this morning and early this afternoon then a mix of sun
 and cloud with 30 percent chance of showers this afternoon. Risk of
 a thunderstorm this afternoon. Local smoke late this afternoon. Wind
 becoming southwest 20 km/h near noon. High 27. Humidex 28. UV
 index 5 or moderate.
Tonight..Partly cloudy with 30 percent chance of showers early this
 evening. Otherwise clear. Risk of a thunderstorm early this evening.
 Widespread smoke. Wind west 20 km/h becoming light near midnight.
 Low 17.
Tuesday..Widespread smoke. Wind becoming south 20 km/h in the
 afternoon. High 27. Humidex 29. UV index 5 or moderate.

North Slave Region including Wekweeti - Whati - Behchoko.
Today..Mainly sunny. Local smoke. Wind becoming northwest 20 km/h
 this afternoon. High 27. UV index 5 or moderate.
Tonight..Widespread smoke. Wind northwest 20 km/h becoming light near
 midnight. Low 14.
Tuesday..Widespread smoke. High 28. Humidex 29. UV index 5 or
 moderate.

Wrigley Region.
Today..Widespread smoke. High 28. Humidex 29. UV index 5 or moderate.
Tonight..Widespread smoke. Low 15.
Tuesday..Sunny in the morning then a mix of sun and cloud with
 60 percent chance of showers in the afternoon. Risk of a
 thunderstorm in the afternoon. Local smoke. High 28. Humidex 31. UV
 index 5 or moderate.

Norman Wells - Tulita Region.
Today..A mix of sun and cloud. 30 percent chance of showers early
 this morning and late this afternoon. Risk of a thunderstorm. Local
 smoke this morning. Wind becoming west 20 km/h this morning.
 High 28. Humidex 32. UV index 4 or moderate.
Tonight..Partly cloudy with 60 percent chance of showers and risk of
 a thunderstorm. Low 15.
Tuesday..A mix of sun and cloud. 30 percent chance of showers in the
 afternoon with risk of a thunderstorm. Wind becoming west 20 km/h
 near noon. High 23. Humidex 28. UV index 4 or moderate.

Fort Good Hope Region.
Today..A mix of sun and cloud. 30 percent chance of showers late this
 afternoon with risk of a thunderstorm. Local smoke early this
 morning. Wind becoming west 20 km/h near noon. High 27. Humidex 32.
 UV index 4 or moderate.
Tonight..Mainly cloudy with 60 percent chance of showers this evening
 and after midnight and risk of a thunderstorm. Clearing before
 morning. Low 17.
Tuesday..Mainly sunny. Wind becoming west 20 km/h in the morning.
 High 27. Humidex 29. UV index 4 or moderate.

Deline.
Today..A mix of sun and cloud. 30 percent chance of showers this
 afternoon with risk of a thunderstorm. Widespread smoke. High 24.
 Humidex 26. UV index 4 or moderate.
Tonight..Partly cloudy with 30 percent chance of showers and risk of
 a thunderstorm. Low 13.
Tuesday..A mix of sun and cloud. 30 percent chance of showers in the
 afternoon with risk of a thunderstorm. High 23. Humidex 25. UV
 index 4 or moderate.

Colville Lake.
Today..Mainly sunny. Hazy. High 25. Humidex 27. UV index 4 or
 moderate.
Tonight..Increasing cloudiness early this evening. 40 percent chance
 of showers late this evening and overnight with risk of a
 thunderstorm. Low 16.
Tuesday..A mix of sun and cloud. Clearing near noon. Wind becoming
 west 20 km/h near noon. High 23. Humidex 25. UV index 4 or moderate.

End
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