Police and SES volunteers are currently searching bushland in Medina for missing 59-year-old woman Dianne Barrett.
The search area is bound by Thomas Road, Mounsey Road, and Wellard Road.
Concerns were raised by a neighbour on May 24 after he noticed he had not seen Dianne for some time.
She was last seen at Bunnings in Rockingham around 7pm on May 11.
Dianne is described as fair skinned, 165-170cm tall, of slim build, with white/grey hair.
She was last seen wearing a long sleeve cream coloured top, dark long pants, and distinctive pink “croc” footwear.
Dianne’s car is a yellow Hyundai Getz, registration number 1DFZ132.
It is currently at her house on Ridley Way South in Medina, but police cannot confirm its movements around the time that Dianne was last seen.
Police are hoping to speak to anybody who may know Dianne and has had contact with her around that time.
Anyone with information is asked to call police immediately on 131 444.