Heavy rain is prompting evacuations in Marlborough this morning

MetService has orange warnings in effect for parts of Taranaki, Marlborough, Nelson and Tasman.

A local state of emergency's been issued in part of Marlborough, with Spring Creek residents being warned to leave their homes.

MetService's Heather Keats says the conditions are being caused by a northerly flow.

Nelson's Glider Road is also closed due to the weather.