Brief Mountain Forecast for all New Zealand

North Island

Valid for Monday, 12-May

Raukumara to Whirinaki Forest Parks: Partly cloudy, becoming fine this morning. Remaining North Island mountain areas: Mainly fine early morning, then becoming partly cloudy. WINDS:Light winds. Westerlies developing this morning.

Freezing Level: Above 3000 metres.

Valid for Tuesday, 13-May

Mostly cloudy, then fine breaks increasing from tomorrow morning. Isolated showers south and west of Tongariro National Park. WINDS: Light winds. Strong southwesterlies developing tomorrow morning, rising to gale from Kaweka Forest Park to Tararua Range in the afternoon.

Freezing Level: Above 3000 metres.

Valid for Wednesday, 14-May

Cloudy periods with a few showers in the west. Fine elsewhere. WINDS:Westerlies, becoming strong or gale in the south.

Freezing Level: Around 3000 metres.

Valid for Thursday, 15-May

Cloudy periods with showers. WINDS:Westerlies, strong or gale at times in the south.

Freezing Level: 3000 metres, lowering to 2600 metres in the south in the afternoon.

Valid for Friday, 16-May

Cloudy periods. Showers in the west and south. WINDS:Westerlies, strong or gale at times in the south.

Freezing Level: 3000 metres, sloping to 2600 metres in the south, rising to 2800 metres in the afternoon.

Issued: 4:19pm Monday 12 May 2025

South Island

Valid for Monday, 12-May

Kahurangi and Nelson Lakes National Parks, Paparoa National Park, and the Southern Alps: Partly cloudy. Cloud increasing and scattered showers spreading north this morning. Kaikoura ranges : Areas of morning cloud, then fine. Mount Aspiring and Fiordland: Mostly cloudy with showers, becoming more frequent this evening. WINDS:Westerlies, gale at times in exposed places south of Mount Cook.

Freezing Level: About 3000 metres.

Valid for Tuesday, 13-May

East of Nelson Lakes National Park : Fine. Rain developing about the Kaikoura Ranges tomorrow night. Kahurangi National Park to Arthur's Pass, including Nelson Lakes National Park: A few showers, becoming more frequent tomorrow. Arthur's Pass to Fiordland National Park : Showers, turning to rain for a time tomorrow, briefly heavy. Snow to 1800 metres about Fiordland National Park in the morning. WINDS: Westerlies, rising to severe gale south of Arthur's Pass today, and to gale in the north overnight tonight. Changing lighter southwesterly tomorrow afternoon and evening.

Freezing Level: About 3000 metres.

Valid for Wednesday, 14-May

Few showers in the west, turning to rain from Mt Aspiring southwards later. Partly cloudy elsewhere. WINDS:Westerlies, rising to strong or gale in exposed places.

Freezing Level: 3000 metres, sloping to 1200 metres in the south. rising to 2200 metres in the south.

Valid for Thursday, 15-May

West of the Main Divide: Rain south of the glaciers, gradually spreading north. Isolated showers in the east. WINDS:Westerlies, rising to strong or gale in exposed places. Rising to severe gale in the south in the evening.

Freezing Level: 2600 metres sloping to 2200 metres in the south. becoming 2300 metres everywhere in the evening.

Valid for Friday, 16-May

In the west and south: Periods of rain. In the east and north: Cloudy periods with isolated showers. WINDS:Gale westerlies, but severe gale westerlies south of Mount Aspiring, spreading to south of Arthur's Pass in the evening.

Freezing Level: About 2300 metres.

Issued: 4:19pm Monday 12 May 2025