KEY POINTS:
Snow has closed Rimutaka Hill between Upper Hutt and Wairarapa.
Police said snow began to fall quite heavily about 7.40am today, and the road was closed 20 minutes later.
The MetService said snow showers were expected on the road until early tomorrow morning.
Another 2-4cm was likely to fall before 6am, and the MetService warned that 8cm could fall in some places.
Snow was also likely to fall on the Desert road until early tomorrow, with 1-3cm expected.
In the South Island, snow was likely to fall on the Lewis and Porters Pass roads until this evening.
- NZPA