Up to 25cm of snow is forecast near the summit of Porters Pass by tomorrow.
Home / New ZealandNZ Herald24 Jun, 2026 03:56 AM2 mins to readMetService severe weather update: Wednesday, June 24, 2026.Motorists travelling across South Island alpine passes are being warned to expect possible disruption from tonight, with heavy snow forecast to affect several key routes.
On State Highway 73 between Christchurch and the West Coast, MetService is forecasting rain to turn to snow overnight and says 15-25cm of snow could
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Snow may fall to low levels across parts of the South Island overnight.
Up to 290mm of rain is forecast for parts of the South Island.
Authorities are urging holiday drivers to take extra care due to possible slips, floods and road closures.
Travellers are urged to leave early to avoid heavy rain across key routes.
While the north has humidity and rain, the south of NZ will see snowfall.
Methven has already recorded wind gusts reaching 130km/h this afternoon.
