Perth weather: City soaked by morning rainfall ahead of wet WA Day long weekend

Perth has been soaked with 11mm of rain in less than three hours ahead of a long weekend drenching.

The heavens opened this morning, with the city copping the worst of the downpour.

In the Perth Hills, 6.6mm of rain was dumped on the suburb this morning, while Swanbourne received 6.4mm in the rain gauge.

The wild weather is forecast to continue into the long weekend, which will see West Australians take advantage of the first break since the easing of the regional travel ban.

Those hitting the road from Perth tomorrow could be hit by up to 20mm of rain, with the Bureau forecasting a 100 per cent chance of rainfall.

The mercury is forecast to drop to just 8 degrees Celsius in the city on Saturday morning, while showers are forecast to continue until Monday.

For those heading down south, the forecast will be similarly grim, with possible storms tomorrow and a massive 25mm of rain, before showers through the weekend.

The forecast comes after a week of wild weather, which saw roofs thrown off houses, fences fall like cards and powerlines toppled, leaving thousands across WA without power.

Yesterday, a freak wind gust which hit the northern suburb of Butler toppled fences and flung a trampoline over a house roof.

The damage was limited to just a handful of houses but residents say it was like being in the middle of a “mini tornado”.

Butler resident Ben Boschman said he was sitting at his kitchen table when he heard the wind suddenly crank up like a jet engine.

“We have had a few storms come through and you kind of know they are coming but this was like nothing I have seen before,” he said.

The remnants of ex-tropical cyclone Mangga hit on Monday, lashing the State with gusts of up to 130km/h in some areas.

There was also heavy rain, flooding, very high tides, and significant erosion at a number of beaches.

At its peak, more than 60,000 properties experienced power outages across WA while roofs were torn off buildings and many trees were uprooted.

Emergency services responded to almost 600 calls for help across the state, with most coming from Perth.