A strong cold front over the southern half of the state has dumped heavy rain in the past two days.
Perth has recorded 37 millimetres of rain since 9:00 am on Saturday.
The heaviest falls have been in the Perth hills with Bickley recording more than 56 millimetres.
The rain has extended inland with Narrogin recording 15 millimetres.
It is expected to ease off tonight but light showers are expected over the next two days.
© ABC 2012
17:34 EST The weather bureau's long-term forecast is predicting a drier than normal October to December for much of eastern Australia and north-west Western Australia.