Severe Weather Warnings and Watches
Issued by MetService at 7:50pm Thursday 7 Aug 2025
A period of heavy rain in the west of the South IslandA front moves northwards over the South Island during Thursday night and early Friday, bringing a period of rain with heavy falls to the west of the South Island.
Heavy Rain Watches are in force for the headwaters of Canterbury, and also for northwest Tasman.
People are advised to keep up to date with the latest forecasts.
Heavy Rain Watch - Yellow
Area: Headwaters of the Canterbury lakes and rivers about and south of Arthur's Pass
Period: 8hrs from 7:00pm Thursday 7 Aug 2025 to 3:00am Friday 8 Aug 2025
Forecast: A period of heavy rain. Rainfall amounts may approach warning criteria within 15 km east of the main divide. Freezing level about 2000 metres in heavy rain.
Low chance of upgrading to a Warning.
Area: Tasman northwest of Motueka
Period: 6hrs from 11:00pm Thursday 7 Aug 2025 to 5:00am Friday 8 Aug 2025
Forecast: A period of heavy northerly rain, and amounts may approach short duration warning criteria.
Low chance of upgrading to a Warning.
An update for severe weather will be issued by: 10:00am Friday 8 Aug 2025
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Road Snowfall
Arthur's Pass
Issued at 8:51pm Thursday 7 Aug 2025
Valid until 11:00am Friday 8 Aug 2025
A period of snow is expected to affect higher parts of the road late Friday afternoon and evening. 1 cm or less may accumulate above 800 metres.
Porters Pass (SH73)
Issued at 8:51pm Thursday 7 Aug 2025
Valid until 11:00am Friday 8 Aug 2025
A period of snow is expected to affect higher parts of the road late Friday afternoon and evening. 1 to 2 cm may accumulate above 800 metres.
Lindis Pass (SH8)
Issued at 8:51pm Thursday 7 Aug 2025
Valid until 11:00am Friday 8 Aug 2025
Snow showers are expected to affect higher parts of the road Friday morning. 1 to 2 cm may accumulate above 800 metres, and with lesser amounts lower down.
Crown Range Road
Issued at 8:51pm Thursday 7 Aug 2025
Valid until 11:00am Friday 8 Aug 2025
A period of snow is expected about higher parts of the road Friday morning when 1 to 2 cm may accumulate above 700 metres, and with lesser amounts lower down. Snow showers may continue for the remainder of Friday but accumulations on the road are not expected.
Milford Road (SH94)
Issued at 8:51pm Thursday 7 Aug 2025
Valid until 11:00am Friday 8 Aug 2025
A period of snow is expected about higher parts of the road Friday morning. 1 to 2 cm may accumulate above 700 metres, and with lesser amounts lower down.
Thunderstorm Warning
No Severe Thunderstorm Warnings In Effect
Thunderstorm Watch
No Severe Thunderstorm Watches In Effect