Heavy snow over the weekend disrupted skifield operations at Treble Cone Ski Area and hampered motorists attempting to travel through the Lindis Pass or to Milford Sound.
Avalanche risks in the Wanaka and Queenstown back country ski areas remain high.
Chains were essential yesterday on State Highway 8, between Tarras and Omarama, and the road was closed to towing vehicles.
State Highway 94, between Te Anau and Milford Sound, was closed by avalanche debris yesterday and the situation would be reviewed about 7.30am today.
General warnings to watch for ice and grit, and to carry chains on the Crown Range road, were also in place yesterday.
Fifteen to 20cm of snow fell in the mountains over Saturday and yesterday, on top of about 12cm on Friday.
Conditions began to ease yesterday afternoon.
The snowfalls were generally welcomed by skifield operators and skiers relishing the thought of fresh conditions this week.
But it was not thrilling for Southern Hemisphere Proving Ground staff trying to keep vehicle tracks clear of snow so motoring company clients could test their products in the minus 4degC conditions.
Treble Cone did not open the Saddle Basin yesterday following heavy snowfalls in the morning and the six-seater chairlift in the Home Basin had a delayed start "due to electrical activity associated with the front".
Cardrona experienced snow flurries yesterday and all facilities were open, except some features of the freestyle park.
The Snow Farm was open but the Snow Park closed, according to their websites.
The Mountain Safety Council avalanche warning remains on high for the Wanaka and Queenstown area and the council is advising skiers to avoid the back country if possible.
Heliskiers had reported several large remotely-triggered avalanches on Saturday, the council said on its website.
The avalanches were about 150m from the skiers.
The new snow would increase the danger already posed by the weak snow pack, the council said.
