MetService is forecasting more heavy rain to areas north west of Nelson today, with possible flooding.
It has issued a severe weather warning west of Motueka and local authorities are asking people to be vigilant.
Northerly rain is forecast to become heavier from late afternoon, with possible thunderstorms overnight, and should ease tomorrow morning.
The catchments west of Motueka should expect moderate flooding overnight, with thunderstorm activity likely to cause greater flooding in some areas.
