'Too late to leave': locals to shelter as blaze flares

Forecast increasing westerly winds are expected to shift an uncontrolled fire near Narrabri east. (David Crosling/AAP PHOTOS)

A major out-of-control bushfire in northwest NSW has flared, with residents in the remote area told it is too late to leave.

The bushfire in forest at Pilliga, near Narrabri, was relisted at emergency level on Monday afternoon after earlier being downgraded to watch and act.