The Milford Road (State Highway 94) will close overnight between Te Anau and Milford owing to forecast heavy weather.
The NZ Transport Agency issued the closure as a precaution due to forecast heavy rain and a rising avalanche hazard.
The road will close at 4pm today at the East Gate - Hollyford Rd and at 4.30pm at the West Gate - Chasm.
A statement from the agency said the road would remain closed ‘‘until further notice’’.