Mandurah has copped an absolute drenching with 50mm of rain falling over the past two days.
Flash flooding was reported across the Peel region on Tuesday with car parks and roads underwater.
The wet weather is forecast to stick around on Wednesday before conditions start to ease by Thursday.
A tornado was also captured on video near Frankland River, about 300km south-east of Mandurah, with reports it flipped a ute and uprooted trees.
Golf ball size hail also hit the Wheatbelt town of Wagin, with residents reporting damaged roofs and vehicles.
Teen boy killed after being struck by two cars while crossing road in Warnbro
Free supplies, health checks, advice for Mandurah pet owners
Rockingham Detectives ask for public's help to find wanted man
LISTEN: WA Police release triple-0 call from shooting murder of bikie boss Nick Martin at Kwinana Motorplex
Police pursuit comes to crashing end in East Rockingham
Tensions boil over in Rockingham council chambers as motion to reinstate weekly red bin collections is defeated
WA's first public National War & Service Animal Day commemoration to be held at Dawesville War Memorial
New road safety laws to be named in memory of Furnissdale hit-and-run victim
UK nuclear submarine docks at Rockingham's HMAS Stirling
