Brief Mountain Forecast for all New Zealand

North Island

Valid for Friday, 16-Jan

Raukumara Forest Park: Rain with heavy falls and possible thunderstorms, easing to showers this afternoon. Whirinaki Forest Park to Te-Papa-Kura-o-Taranaki, also the Ruahine Ranges: Periods of rain, with heavy falls, possible thunderstorms and downpours, easing to showers from the west early this morning. Fine spells increasing this afternoon. The Tararua Ranges: Often cloudy with showers, some possibly heavy. WINDS: North to northwesterlies, strong in exposed places.

Freezing Level: Above 3000 metres.

Valid for Saturday, 17-Jan

Showers. WINDS:Southeasterlies developing from evening.

Freezing Level: Above 3000 metres. lowering to 2400 metres in the south in the evening.

Valid for Sunday, 18-Jan

Rain in the east, with scattered showers elsewhere. WINDS:Southeasterlies becoming strong, possibly gale in exposed places.

Freezing Level: Lowering to 2500 metres in the north and 2000 metres in the south.

Valid for Monday, 19-Jan

Mostly cloudy with showers but only isolated falls for Te-Papa-Kura-o-Taranaki. WINDS:Strong southeasterlies, gale in exposed places.

Freezing Level: Rising to above 3000 metres.

Issued: 2:19am Friday 16 Jan 2026

South Island

Valid for Friday, 16-Jan

Kahurangi and Paparoa National Parks: Occasional rain or showers. Arthur's Pass to Aoraki/Mt Cook National Park : Periods of rain, with some heavy falls. Mt Aspiring and Fiordland National Parks: Mainly fine. Isolated showers in the afternoon and evening, mainly about eastern slopes. WINDS: Easterlies.

Freezing Level: About 3300 metres, sloping to 2400 metres in the south.

Valid for Saturday, 17-Jan

Showers. WINDS:Southerlies developing from evening.

Freezing Level: 3200 metres sloping to 2200 metres in the south. changing to 2800 metres in the west sloping to 2000 metres in the east in the morning.

Valid for Sunday, 18-Jan

Showers in the east, with isolated falls in the west, gradually easing from the south. Mainly fine about Fiordland. WINDS:Southeasterlies, possibly strong in the north.

Freezing Level: Rising to about 3300 metres, but remaining about 2200 metres north of arthur's pass national park.

Valid for Monday, 19-Jan

Partly cloudy with a few showers about eastern slopes, however mainly fine for Mt Aspiring and Fiordland National Park. WINDS:Southeasterlies, strong north of Mt Aspiring.

Freezing Level: 2200 metres sloping 3400 metres in the south.

Issued: 2:19am Friday 16 Jan 2026