MetService has added to its warnings and watches for the central and lower South Island as a major weather system bears down on the country and impacts on road users.

There are now orange heavy rain warnings in place for North Otago and Canterbury south of Timaru and east of Otematata (from 5pm today), and for the Ranges of the Westland District (from 3pm today). This level of warning means that streams and rivers may rise rapidly, there is increased risk of surface flooding and slips, and difficult driving conditions are possible.

Further strong wind watches have also been added, for the Buller District (from 1pm today), for coastal Dunedin (from 8pm tonight), and for the Westland coast south of Wanganui River (from 2am tomorrow), and. Northeast winds may approach sever gale force in exposed places, potentially making driving difficult and increasing the risk of damage to trees, powerlines, and unsecured structures.

A further reminder to road users to take extra care when travelling in strong winds, especially those in high-sided or towing vehicles and on motorcycles. Heavy rain means slippery roads and drivers should think about adjusting their speed and travelling distances, avoiding sudden braking, and staying visible.

Stay up to date on weather warnings at MetService, and on state highway conditions and restrictions at our Journey Planner site.

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