The South African Weather Service (Saws) has released its latest weather forecast for Wednesday, 17 December 2025. The forecaster predicts isolated to scattered showers and thundershowers over most of the country, but widespread in some places. The weather service has issued an orange level 5 warning for severe thunderstorms, leading to flooding of susceptible roads, settlements and low-lying bridges or areas, excessive lightning, strong damaging winds and large amounts of small hail and/or large hail over KwaZulu-Natal except in the south-east coast.
It has also issued a yellow level 2 warning for severe thunderstorms leading to localised flooding of susceptible roads, settlements and low-lying bridges or areas, excessive lightning, strong damaging winds and large amounts of small hail and/or large hail in places in Gauteng, North West, Free State, eastern parts of the Northern Cape, northern parts of the Eastern Cape, south-eastern coast of KwaZulu-Natal, the Highveld and escarpment of Mpumalanga Extremely high fire danger conditions are expected over the Kareeberg local municipality in the Northern Cape. Here’s what to expect in your province on Wednesday, 17 December 2025: Residents of Gauteng can expect fine conditions at first, otherwise cloudy and warm, with scattered showers and thundershowers. The region’s expected UVB sunburn index is high.
Mpumalanga residents can expect partly cloudy and warm to hot weather, becoming cloudy in the southern half. Scattered showers and thundershowers are expected, isolated in the east. Partly cloudy and warm to hot conditions are expected, becoming cloudy in the southwest.
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Isolated showers and thundershowers are expected, but scattered in the extreme south. Partly cloudy and warm, becoming cloudy with scattered showers and thundershowers. Residents of the Free State can expect partly cloudy and cool to warm weather, with scattered showers and thundershowers. The day will start with morning fog patches along the coast and adjacent interior, where it will be cool, partly cloudy and warm to hot, but fine in the west with isolated showers and thundershowers, but scattered in the extreme east.
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