Emergency WA updated its weather warning on Monday August 1 to urge people to take care in Perth, South West, Lower South West and Great Southern.<br /><br />Areas which may be affected include Albany, Bunbury, Busselton, Geraldton, Katanning, Mandurah, Manjimup, Margaret River, Merredin, Moora, Mount Barker, Narrogin, Northam and Perth.
