Weather: South Island in store for heavy rain through the weekend

More wild weather is on the way, with the South Island told to expect heavy rain on Thursday through the weekend.

A front over the Tasman Sea will move east across the South Island between late Thursday and Friday, MetService says.

The national forecaster says a period of heavy rain is expected for the ranges of Westland, Nelson, and northern Marlborough.

Rainfall accumulations may approach warning criteria, with possible thunderstorms, a severe weather watch says.

MetService's thunderstorm outlook says there's a moderate risk of thunderstorms between northwest Nelson and Westland.

A road snowfall warning remains in place for the Milford Rd (State Highway 94), with 1 centimetre expected to settle.

"On Saturday, the trough moves away to the east, bringing about a change to southwesterlies across New Zealand, with strong winds and periods of rain for many places through to Sunday."

Dunedin has been told to expect rain and 11C high temperatures for Friday, Saturday and Sunday, with Christchurch much the same.


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