DFES have released an alert for Cookernup and Waroona as fires continue to burn out of control.
Reports of fire started appearing on social media about 3.30pm on Wednesday.
DFES released a "Watch and Act" alert to residents after 4pm, warning that the fire was contained but not under control.
DFES report the fire alert was upgraded as weather conditions had made it difficult to contain, and that it had broken the containment lines set up over the previous 24 hours.
There are reports of possible threats to lives and homes as the fire continues to travel in a westerly direction.
Residents of Cookernup and Waroona are being warned to prepare to leave or actively defend their properties.
More information as it comes to hand.
For alerts head to the DFES website: dfes.wa.gov.au
