Forecasts show Bendigo has a high chance of receiving 10 to 25 millimetres of rain on Sunday, 3 to 15 millimetres on Monday, and a 50 per cent chance of up to 15 millimetres on Tuesday.

The Bureau of Meteorology has warned Victorians rainfall is likely in the coming days, as a trough drags tropical moisture down from NSW.

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But senior forecaster Keris Arndt said tropical rainfall could be quite dynamic, meaning it was difficult to predict exactly where and when it would fall.

Hundreds of NSW residents have been rescued from homes and cars after a "life-threatening" downpour triggered floods.

People in low-lying properties around Taree, Dumaresq Island, Cundletown, Central Wingham and the Wingham Peninsula were ordered to evacuate on Saturday morning.

Kempsey, Port Macquarie, North Haven, Dunbogan, Camden Head and Laurieton also received evacuation orders.

The NSW State Emergency Service has responded to more than 3200 calls for help since the wet weather began, including 335 flood rescues overnight.

SES spokesperson Andrew McCullough said a lot of jobs were for people stuck in houses, caravans or cars, or animals isolated by floodwater.

Mr McCullough said the flood-waters were life-threatening.

With AAP.

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