Brief Mountain Forecast for all New Zealand
North Island
Valid for Monday, 18-May
Te Papa-Kura-o-Taranaki and Tongariro National Park: Mainly fine. Remaining North Island Mountain areas: Cloudy with the odd shower, more frequent northeast of Te Urewera. Showers clearing in the south this evening. WINDS: Southeasterlies.
Freezing Level: About 2400 metres.
Valid for Tuesday, 19-May
Cloudy with a few showers north of Kaweka Forest Park. Partly cloudy elsewhere. WINDS:Light winds.
Freezing Level: 2500 metres.
Valid for Wednesday, 20-May
Areas of morning and evening cloud, otherwise fine. WINDS:Northerlies developing late.
Freezing Level: 3000 metres.
Valid for Thursday, 21-May
Fine, except for areas of morning and evening cloud north of Kaweka Forest Park. WINDS:Northerlies, dying out.
Freezing Level: Above 3000 metres.
Issued: 2:08am Monday 18 May 2026
South Island
Valid for Monday, 18-May
Southern Alps, also Kahurangi and Nelson Lakes National Parks: Areas of cloud or fog in a valleys, otherwise mainly fine. Kaikoura ranges: Mostly cloudy. Increasing fine spells this afternoon. Fiordland : Mostly cloudy and isolated showers. WINDS: Light winds.
Freezing Level: 2600 metres.
Valid for Tuesday, 19-May
Mainly fine, but a few showers about Fiordland. WINDS:Northwesterlies rising to gale about Fiordland, light winds further north.
Freezing Level: About 2500 metres, rising to 3000 metres.
Valid for Wednesday, 20-May
Mainly fine, but a few showers about Fiordland and Mt Aspiring National Park. WINDS:Northwesterlies, rising to gale but severe gale about Fiordland.
Freezing Level: 3000 metres, lowering to 2500 metres about fiordland later.
Valid for Thursday, 21-May
Cloudy with showers south of Paparoa National Park. Mainly fine elsewhere. WINDS:Northwesterlies easing, and dying out in the north.
Freezing Level: About 2600 metres.
Issued: 2:08am Monday 18 May 2026