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A heat wave with persistently high temperatures is expected in places over Alfred Nzo District of the Eastern Cape until Friday. (Chuchart Duangdaw/Getty Images)
Scattered showers and thundershowers are expected in multiple regions, particularly in Gauteng, Mpumalanga, and KwaZulu-Natal, according to the South African Weather Service.
Strong winds are anticipated along the south coast of KwaZulu-Natal. Extreme heat conditions are expected in the Western Cape's interior and western coastal regions.
Impact-based warnings
Yellow Level 1 warning: Severe thunderstorms with possible strong winds, heavy downpours, hail, and excessive lightning are expected over the northern parts of Kwazulu-Natal, resulting in localised flooding of susceptible areas and damage to infrastructure, settlements, property, vehicles, livelihood, and livestock.
Yellow Level 1 warning: Disruptive rainfall leading to localised flooding of roads and settlements and damage to infrastructure is expected over the southern parts of Gauteng as well as the Highveld and escarpment of Mpumalanga.
Weather & severe weather alerts for today & tomorrow, 18 - 19 March 2025.
Isolated to scattered showers & thundershowers are expected over the central & eastern parts of the country, with severe thunderstorms in the east by tomorrow afternoon.#saws #weatheroutlook pic.twitter.com/bstZEIwmre
In the weather service's colour-coded weather warning system, yellow indicates a moderate risk of impact that requires caution and awareness.
The weather service uses the numbers to indicate the likelihood of weather-based impacts occurring.
Advisories
A heatwave with persistently high temperatures is expected in places over Alfred Nzo District in the Eastern Cape until Friday.
Extremely uncomfortable conditions are expected over the interior and south-western coast of the Western Cape, as well as the south-western parts of the Northern Cape.
The weather in your province
Gauteng: Expect morning fog in certain areas, transitioning to generally cloudy and cool conditions with scattered showers and occasional thundershowers. Showers will be less frequent in the north.
Pretoria: 15°C — 24°C
Johannesburg: 13°C — 22°C
Vereeniging: 14°C — 25°C
Mpumalanga: Morning fog is likely along the escarpment. The rest of the day will see cloudy and cool to warm conditions with scattered showers and thundershowers.
Mbombela: 17°C — 22°C
Ermelo: 12°C — 18°C
Emalahleni: 13°C — 26°C
Standerton: 13°C — 22°C
Skukuza: 20°C — 26°C
Limpopo: Morning fog is expected along the escarpment. Otherwise, it will be a cloudy and cool to warm day with isolated showers and thundershowers.
Polokwane: 14°C — 22°C
Phalaborwa: 19°C — 29°C
Tzaneen: 16°C — 25°C
Musina: 18°C — 28°C
Lephalale: 19°C — 27°C
Mokopane: 15°C — 25°C
North West: Southern areas may experience morning fog patches, while the rest of the day will be partly cloudy and warm, with isolated showers and thundershowers primarily over central and eastern parts.
Klerksdorp: 15°C — 26°C
Potchefstroom: 14°C — 24°C
Mahikeng: 16°C — 26°C
Rustenburg: 16°C — 26°C
Vryburg: 17°C — 27°C
Free State: A cloudy morning with fog patches over the east and along the Lesotho border.
The day will clear to partly cloudy and range from cool to warm, with isolated showers and thundershowers in the central and eastern regions. Scattered showers and thundershowers will occur in the extreme east.
Bloemfontein: 16°C — 26°C
Welkom: 17°C — 28°C
Bethlehem: 11°C — 23°C
Northern Cape: Conditions will be fine in the southwest, but elsewhere expect partly cloudy and warm to hot weather, turning very hot in the west.
Isolated showers and thundershowers are expected in the extreme western parts later in the day. Coastal winds will shift from moderate easterly to a fresh southerly in the afternoon.
Upington: 22°C — 31°C
Kimberley: 19°C — 30°C
De Aar: 17°C — 29°C
Alexander Bay: 21°C — 34°C
Springbok: 22°C — 34°C
Calvinia: 21°C — 34°C
Sutherland: 14°C — 31°C
Western Cape: Fog patches in the morning along the south coast, shifting to fine and warm to hot elsewhere. However, expect very hot conditions in the interior and extremely hot temperatures in the western coastal regions.
Later, it will become partly cloudy in the south-western parts, with mist developing along the coastal areas. The coastal winds will be moderate to fresh from the east to southeast.
Cape Town: 21°C — 33°C
Vredendal: 21°C — 40°C
Riversdale: 18°C — 37°C
George: 18°C — 30°C
Worcester: 19°C — 38°C
Beaufort West: 17°C — 34°C
Oudtshoorn: 17°C — 39°C
Eastern Cape: Expect fine and warm weather, with evening fog along the Wild Coast and nearby interior areas.
Gqeberha: 19°C — 26°C
Makhanda: 17°C — 33°C
Cradock: 14°C — 31°C
Graaff-Reinet: 14°C — 33°C
East London: 20°C — 28°C
Port St Johns: 18°C — 27°C
Mthatha: 14°C — 29°C
Komani: 13°C — 29°C
Qonce: 17°C — 32°C
KwaZulu-Natal: Morning fog in some interior regions, turning cloudy and cool to warm. Isolated showers and thundershowers are anticipated, with more frequent occurrences in the north.
The extreme south will remain partly cloudy. Coastal winds will generally be moderate to fresh from the east to northeast, gaining strength along the south coast.
Durban: 21°C — 28°C
Richard's Bay: 21°C — 29°C
Pietermaritzburg: 14°C — 28°C
Ladysmith: 14°C — 26°C
*This weather report was written with the support of Toqan AI.
