Update 6.50pm:

A Severe Thunderstorm Watch for Wairarapa has been lifted, but a Heavy Rain Warning remains in place.

The heavy rain warning for Wairarapa north of Featherston continues until 05:00 Wednesday morning, and it is anticipated that the heaviest falls will occur between 22:00 tonight and 01:00 tomorrow.

Wellington Water’s teams are checking known hotspots and will be on standby overnight to respond to any urgent problems.

There is surface flooding in Greytown; drivers please take care when driving in the dark.

If you are experiencing flooding issues in Featherston, sandbags can be obtained via the Featherston Community Board at Anzac Hall.

For road and stormwater issues in the district generally, call the Council to have these logged.

If water is coming into your home, please call emergency services at 111.

WREMO has warned that 100mm to 150 mm of rain is expected, with up to 200mm possible in localised areas. The intensity of the rain is such that it may result in flooding in places and slips, and driving conditions may be hazardous. Areas most likely to feel the impact are Featherston and Greytown, with watches in place for Martinborough and southern coastal areas.

Heavy rain is not expected in the Tararuas but this may change as the weather pattern progresses.

Further information will be shared as it is received.