The Weather Service (SAWS) has warned against severe thunderstorms (Level4), over the north-eastern parts of KwaZulu-Natal, on Saturday.
Similar but lesser conditions (at level 2) are also forecast over the north-eastern parts Northern Cape, central parts and eastern parts of Free State as well as in places over KwaZulu-Natal, except in the north-east as well as over the eastern parts of Eastern Cape (at level 1).
Conditions may lead to localized flooding of low-lying areas.
All cities are expected to be cloudy with scattered showers and thundershowers on Saturday.