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Authorities are calling the situation "extremely fragile" and are bringing in extra support from the Pilbara and Kimberley regions to help control the blaze.
There are already more than 200 WA Department of Fire and Emergency Services crew members and volunteers on the scene working in shifts to protect the community.
"I'm confident we will get on top of it, but the weather we've been having and the weather coming have been testing us," Incident Controller Sven Andersen said.
"We've had a day or so where it hasn't busted out, but people shouldn't become complacent."
The weather over the next two days is expected to be very hot, dry and windy and tomorrow temperatures in the fire affected area are expected to peak at around 42C.