More heavy rain is expected in the Western Bay of Plenty with MetService issuing a severe weather warning.

The heavy rain around the Coromandel Peninsula and the western Bay of Plenty was expected to spread southwards to the Gisborne region tonight.

In the western Bay of Plenty another 100mm of rain was predicted on top of what had already fallen.

The heavy rain could cause streams and rivers to rise rapidly and may cause slips and surface flooding.

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Earlier: A severe weather watch has been put in place for the Western Bay of Plenty.

The MetService has said rainfall could reach up to 100mm in the next 24 hours.

People were advised to keep up to date with forecasts in case the weather watch was upgraded to warning.