Brief Mountain Forecast for all New Zealand
NZ
North Island
Valid up to midnight Monday, 21-Sep
Raukumara to Kaimanawa Forest Park: Showers clearing to fine this evening. Cloud developing tomorrow evening.
Remainder of the North Island mountain areas: Cloudy periods. Isolated showers developing tomorrow morning.
Wind: Gale westerlies easing this evening, but gale developing again about Tararua ranges tomorrow morning.
Freezing Level: 1400 metres, rising to 3000 metres in the west tonight, then to 3000 everywhere tomorrow morning.
Valid for Tuesday, 22-Sep
Showers turning to rain for a time in the morning or afternoon, then clearing for most in the evening.
Wind: Westerlies, gale in exposed places, turning southwesterly in the afternoon.
Freezing Level: Lowering to 1600 metres.
Valid for Wednesday, 23-Sep
Showers spreading north, turning to snow in the afternoon, then clearing later.
Wind: Southerlies, gale at times.
Freezing Level: 1500 metres, lowering to 1000 metres.
Valid for Thursday, 24-Sep
Isolated showers in the east spreading elsewhere for a time in the afternoon, then clearing.
Wind: Gale southerlies easing.
Freezing Level: Rising to 1500 metres.
South Island
Valid up to midnight Monday, 21-Sep
Kaikoura Ranges: Fine.
Kahurangi, Paparoa and Nelson Lakes National Parks: Isolated showers, becoming widespread tomorrow evening.
Arthur's Pass to Mt Aspiring National Parks: Showers developing tomorrow morning, turning to rain from afternoon. Snow lowering to 1200 metres in the south tomorrow morning.
Fiordland National Park: A few showers, turning to rain tomorrow morning and falling as snow above 1200 metres.
Wind: Gale westerlies, severe in exposed places, easing for a time this afternoon and evening.
Freezing Level: 1100 metres, lifting to 3100 metres this evening, lowering to 1300 metres in the south tomorrow morning, and to 2200 metres in the north tomorrow evening.
Valid for Tuesday, 22-Sep
Periods of rain or showers, falling as snow to 1000 metres. Snow showers in Fiordland, some heavy.
Wind: Strong to gale southwesterly.
Freezing Level: 2000 metres in the north at first, otherwise about 1000 metres. Lowering to 600 metres in the south later.
Valid for Wednesday, 23-Sep
Isolated showers, possibly falling as snow, contracting to Fiordland later and becoming fine elsewhere.
Wind: Southwesterlies, gale at times about the Kaikouras.
Freezing Level: 1000 metres, but 600 metres in the south. Rising to 1200 metres everywhere.
Valid for Thursday, 24-Sep
A few showers for Fiordland spreading elsewhere in the west from afternoon. Fine in the east.
Wind: Southerlies, but westerlies for Fiordland.
Freezing Level: About 1400 metres.
Issued: 2:26pm Sunday 20 Sep 2026