Thunderstorm warning increases a level on Thursday and more widespread rainfall

By Staff Writer
Published: 27 August 2025

This forecast is for: Thu 28 August 2025
The maps cover: Thu 28 Aug – Sat 30 Aug

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Partly cloudy and cool to warm with isolated to scattered showers and rain over the north-western, central and south-eastern parts of South Africa on Thursday.

From Friday it should be partly cloudy and cool to warm with isolated showers and thundershowers over the central and south-eastern parts of the country while clearing over the interior.

Warnings from the SA Weather Service for Thursday:

A. level 2 warning for severe thunderstorms resulting in localised damage to infrastructure, settlements (informal), property, vehicles, livelihood, and livestock and localised and short-term disruption to municipal and other essential services over the extreme north of Northern Cape.

Extremely high fire danger conditions are expected over the Kai !Garib Municipality of the Northern Cape, Blouberg and Makhado Municipalities of Limpopo.

Regional forecasts from the SA Weather Service for Thursday:

GAUTENG
Partly cloudy in the morning, otherwise fine and warm.
The expected UVB sunburn index: Very High

MPUMALANGA
Fine and warm but hot in the Lowveld.

LIMPOPO
Fine and warm but hot in places.

NORTH-WEST
Fine in the east, otherwise partly cloudy, windy, and warm, with isolated showers and thundershowers in the west.

THE FREE STATE
Partly cloudy and cool to warm, with isolated showers and thundershowers in the west.

THE NORTHERN CAPE
Partly cloudy and cool to warm with isolated showers and thundershowers in the east and central but scattered in the north-western parts. It will be windy over the east and central parts. The wind along the coast will be moderate to fresh southerly to south-easterly.

THE WESTERN CAPE
Morning fog in places in the southern and western parts, otherwise partly cloudy and cool to warm, but fine in the interior with isolated showers and thundershowers over the north-eastern parts by the afternoon. The wind along the coast will be light to moderate southerly to south-easterly, but south-westerly along the south coast.
The expected UVB sunburn index: Low

THE WESTERN HALF OF THE EASTERN CAPE
Fog in places south of escarpment at first otherwise partly cloudy and cool to warm with isolated afternoon and evening showers and thundershowers but scattered in the north. The wind along the coast will be light northerly, becoming light south-easterly in the afternoon.

THE EASTERN HALF OF THE EASTERN CAPE
Fog in places south of escarpment at first, otherwise partly cloudy and cool to warm with isolated afternoon and evening showers and thundershowers. The wind along the coast will be light northerly, becoming light south-easterly in the afternoon.

KWAZULU-NATAL
Morning fog patches in places over the interior, otherwise partly cloudy and warm to hot with isolated showers and thundershowers in the extreme south-west The wind along the coast will be moderate to fresh south-westerly south of Cape St Lucia otherwise moderate to fresh north-easterly.
The expected UVB sunburn index: Low

Travellers forecasts from the SA Weather Service for Thursday:

PRETORIA
Partly cloudy in the morning, otherwise fine.
Minimum/Maximum: 15/28°C
The expected UVB Sunburn Index: Very High

JOHANNESBURG
Partly cloudy in the morning, otherwise fine.
Minimum/Maximum: 15/27°C

VEREENIGING
Partly cloudy in the morning, otherwise fine.
Minimum/Maximum: 13/29°C

MBOMBELA
Fine.
Minimum/Maximum: 15/27°C

POLOKWANE
Fine.
Minimum/Maximum: 11/27°C

MAHIKENG
Fine and windy.
Minimum/Maximum: 15/29°C

VRYBURG
Partly cloudy and windy, with isolated showers and thundershowers.
Minimum/Maximum: 12/28°C

BLOEMFONTEIN
Partly cloudy, with isolated showers and thundershowers.
Minimum/Maximum: 12/27°C

KIMBERLEY
Partly cloudy and windy, with isolated showers and thundershowers.
Minimum/Maximum: 12/28°C

UPINGTON
Partly cloudy and windy, with scattered showers and thundershowers.
Minimum/Maximum: 16/28°C

CAPE TOWN
Morning fog, otherwise fine becoming partly cloudy by the afternoon.
Wind: Light to moderate southerly to south-easterly.
Minimum/Maximum: 12/19°C
The expected UVB Sunburn Index: Low

GEORGE
Fine, becoming partly cloudy in the afternoon.
Wind: Light to moderate south-westerly.
Minimum/Maximum: 7/22°C

GQEBERHA
Fine in the morning, otherwise partly cloudy with isolated showers in the evening.
Wind: Light northerly, becoming light south-easterly in the afternoon.
Minimum/Maximum: 9/21°C

EAST LONDON
Partly cloudy, becoming cloudy with isolated showers in the evening.
Wind: Light and variably, becoming light south-easterly in the evening.
Minimum/Maximum: 11/22°C

DURBAN
Partly cloudy.
Wind: Light to moderate south-westerly becoming light to moderate easterly in the afternoon.
Minimum/Maximum: 17/26°C
The expected UVB Sunburn Index: Low

RICHARDS BAY
Partly cloudy.
Wind: Moderate northerly to north-easterly.
Minimum/Maximum: 17/29°C

PIETERMARITZBURG
Morning fog, otherwise partly cloudy.
Minimum/Maximum: 11/31°C

This forecast is usually updated a few times per day.

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