It will be a wet start to the day for parts of Bay of Plenty tomorrow.
A moist northwesterly airstream with embedded fronts remains over the North Island today and Thursday morning bringing periods of heavy rain.
MetService says a heavy rain warning is in place for the eastern ranges of the Bay of Plenty from 3am to 12pm Thursday.
Rainfall amounts may approach warning criteria, 60 to 70mm in 9 hours.
Meanwhile, the forecast for Rotorua today is for morning cloud then fine. Cloud will return in the late afternoon with drizzle developing at night and northerlies.