People in the La Loche region could experience some smoky conditions today.
Officials with the village and Clearwater River Dene Nation say a fire estimated to be 80-100 hectares in size is about three kilometers from the communities.
Heavy equipment, ground crews and air support have been working on the blaze.
Fireguards are are also being built.
The two communities are not considered to be threatened at this time.
People in the region who have breathing difficulties or other health issues are being advised to stay indoors.
More updates are expected later today.