Snow is forecast for the higher parts of the Desert Road from this evening until around 7am on Tuesday, according to MetService.
In a road snowfall warning today it said up to 1cm of snow may settle near the summit of the road during this time.
"Significant" snow is then expected from late on Tuesday morning until Tuesday evening. MetService says to expect 5cm-10cm of snow to settle on the road, mainly about southern parts of the road.
Waka Kotahi NZTA has asked motorists to please drive carefully by slowing down and allowing greater following distances as severe weather may impact these state highways, especially this evening and overnight:
• SH1 Waiouru to Rangipo (Desert Road)