Severe Weather Warning: Heavy Rain Forecast
A low over the Tasman Sea extends a slow-moving trough over northern New Zealand. Periods of heavy rain continue to affect the north of the North Island and northwest Nelson through to Saturday, with heavy thundery falls. Through into early Saturday, 130mm may accumulate in Northland on top of what has already fallen, especially in the east.
For Northwest Nelson, 70 to 100mm may accumulate from tonight through to late Saturday morning.
Rainfall in these areas, especially where there the ground is sodden from previous heavy rain, is likely to cause rivers and streams to rise rapidly. It can also lead to flash flooding and hazardous driving conditions.