There will be periods of heavy rain and rainfall amounts may approach warning criteria.
The forecast for Rotorua today is for it to be cloudy with periods of rain developing in the morning, northeasterlies, a high of 11C and low of 8C.
Tomorrow in Rotorua, there will be periods of rain, heavy for a while in the morning, and possibly again in the evening. Strong northerlies, turning southerly late, a high of 15C and a low of 8C.
Meanwhile, today's forecast in Tauranga is for a few showers turning to rain in the morning, a high of 14C and a low of 12C.
Tomorrow, Tauranga residents can expect periods of rain, heavy for a while in the morning, and again in the evening. Strong northerlies, turning southerly late, a high of 18C and a low of 11C.