Environment Canada says people in Fort Simpson and Jean Marie River should expect around 10 cm of snow to fall on Friday.
Forecasters are closely watching a low pressure system moving across the Northwest Territories this weekend, with snow and freezing rain likely for many areas.
Next week is looking unusually warm in large parts of the NWT. Temperatures in Yellowknife could reach freezing or beyond, some 15 degrees hotter than the norm.
Environment Canada says 10 to 15 centimetres of snow could fall across much of the South Slave and northwestern Alberta by Wednesday afternoon.
Environment Canada is warning residents in Sachs Harbour to expect blizzard conditions with poor visibility and blowing snow this weekend.
Environment Canada issued a blizzard warning for Ulukhaktok, saying poor visibility and blowing snow are expected in the hamlet.
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