More wild weather forecast for WA (cloned for SW 1339381290)
More wild weather forecast for WA (cloned for SW 1339381290)

More wild weather is forecast for the southern half of Western Australia as efforts continue to restore power to hospitals and more than 110,000 homes.

Heavy rain and winds of up to 140km/h whipped the state's southwest coast on Sunday, causing unprecedented damage to the electricity network, uprooting trees and ripping a circus tent in Busselton from the ground.

The most severely affected area spanned from the south metropolitan area to Margaret River, with the strongest wind gusts - consistent with a category two cyclone - recorded at Cape Naturaliste.

A Bureau of Meteorology spokeswoman said another strong cold front was expected to hit the region south-west of Bunbury to Corrigin to Israelite Bay later on Monday.

The spokeswoman said a further significant cold front was expected to affect a large part of the south-west land division on Tuesday night.

More than 110,000 homes remain without power, Western Power said around 8am WST on Monday.

Power was restored to about 50,000 houses overnight as the electricity utility focused on safety hazards including fallen power lines.

Western Power said its top priority was to restore power to Rockingham Hospital, which had been running on generators overnight.

It restored power to St John of God Hospital in Bunbury early on Monday.

Fire and Emergency Services Authority of WA (FESA) spokesman Allen Gale said some homes could be without power for up to a week.

"It has affected the majority of the south-west corner of WA," Mr Gale told ABC Radio.

"We're talking record damage to the electrical infrastructure right throughout about half of the state, so it's quite significant."

Western Power asked people without power at their homes to consider temporarily relocating to homes of family and friends that have power.

The State Emergency Service has so far received more than 600 requests for assistance.

AAP

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