The "strongest front of the year to date" is expected to hit Perth, Mandurah and the South West today.
According to the Bureau of Meteorology, this cold front will be stronger than Sunday's, bringing with it damaging wind gusts of around 100km/h.
The severe weather is forecast to hit by the late morning and continue throughout the day into this evening.
Conditions are expected to ease overnight.
“The front that crossed on Sunday produced weather that is about typical for this time of year,” the Bureau of Meteorology warning stated.
“The front crossing on Monday is stronger, people in the southwest of WA experience fronts as windy as this about 5 times per year.
“This second front will be the strongest front of the year to date.”
On Sunday, Mandurah recorded a wind gust of 67km/h just after 2pm and Garden Island had a gust of 85km/h at 3pm.
Residents are being advised to pack away, secure or tie down outdoor furniture, trampolines and other loose items around their home that could be picked up and thrown by strong winds.

PIC: Bureau of Meteorology.
Arson Squad continue investigation into Waikiki house fire
WATCH: Iconic Mandurah dolphin and calf rescued after becoming stranded in low tides
Five students suspended from Baldivis Secondary College for taunting relief teacher
Concerns for missing man last seen in Medina
Man charged after slashing victim's neck with glass in Madora Bay
Rockingham disability accommodation and social housing refurbished thanks to State Government grant
Local fishers asked to have their say on extending crabbing season closure, simplifying bag and boat limit rules
Detectives hunt driver who reversed into Mandurah tobacco store
Mandurah Crab Fest boasts huge range of free, family friendly entertainment