Cut-off low: Level 4 warning for severe thunderstorms and flooding in the Northern Cape on Monday

By Staff Writer
Published: 6 April 2025 [updated 7 April]

This forecast is for: Mon 07 April 2025
The maps cover: Mon 07 Apr – Tue 08 Apr

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Isolated to scattered showers and thundershowers in most parts of the country but widespread over the central interior on Monday, spreading to the southern parts on Tuesday, according to the SA Weather Service.

A cut-off low pressure over the west of the country is expected to deliver continuous significant rain (25mm-50mm) over the Northern half of the Northern Cape and this may result in significant impacts, including major travel disruptions.

Temperatures are set to drop from Tuesday across much of the country.

Warnings from the SA Weather Service for Monday:

A. yellow level 4 warning severe thunderstorms with heavy downpours leading to flooding of settlements (formal/informal), road flooding, low-lying areas, bridges, danger to livelihood and livestock as well as damage to properly and infrastructure is expected over the northern and North-Eastern parts of Northern Cape.

B. yellow level 2 warning severe thunderstorms resulting in heavy downpours leading to localised flooding of susceptible roads, low-lying areas and bridges as well as damage to property and infrastructure is expected over parts of the Northern Cape, Free State, North West, the Eastern Cape, Mpumalanga and KwaZulu-Natal as per the updated map above.

Regional forecasts from SAWS for Monday:

1. GAUTENG
Cloudy and cool to warm with isolated showers and thundershowers in the extreme south.
The expected UVB sunburn index: Very High

2. MPUMALANGA
Morning fog in places on the highveld and escarpment, otherwise cloudy and cool to warm with isolated showers and thundershowers in the southern Highveld and along the escarpment. It will be partly cloudy in the Lowveld.

3. LIMPOPO
Morning fog in places in the east, otherwise partly cloudy and warm with a chance of light morning rain along the southern escarpment.

4. NORTH WEST PROVINCE
Cloudy and cool to warm with scattered showers and thundershowers but isolated in the north-east.

5. FREE STATE
Cloudy and cool with scattered showers and thundershowers, but widespread in the west.

6. NORTHERN CAPE
Morning fog along the coast, otherwise cloudy and cool to warm with scattered to widespread showers and thundershowers, but isolated in the extreme west. The wind along the coast will be moderate north-westerly.

7. WESTERN CAPE
Morning fog along the west coast, otherwise cloudy and cool to warm with isolated showers and thundershowers, except in the extreme south-west but scattered in the extreme north and north-east. It will be partly cloudy in the south. The wind along the coast will be moderate to fresh easterly.
The expected UVB sunburn index: Very High

8. WESTERN HALF OF THE EASTERN CAPE
Partly cloudy along the coast and adjacent interior, otherwise cloudy and warm with isolated showers and thundershowers but scattered in the north. The wind along the coast will be moderate to fresh north-easterly.

9. EASTERN HALF OF THE EASTERN CAPE
Cloudy and cool to warm with isolated to scattered showers and thundershowers, except along the coast where it will be partly cloudy. The wind along the coast will be moderate to fresh north-easterly.

10. KWAZULU-NATAL
Morning fog over the western interior, otherwise cloudy and cool to warm with isolated showers and thundershowers, except in the north-east. The wind along the coast will be moderate to fresh north-easterly.
The expected UVB sunburn index: Very High

Travellers forecasts from SAWS for Monday:

PRETORIA
Cloudy at times.
Minimum/Maximum: 18/24°C
The expected UVB Sunburn Index: Very High

JOHANNESBURG
Cloudy at times.
Minimum/Maximum: 14/21°C

VEREENIGING
Cloudy with isolated showers and thundershowers.
Minimum/Maximum: 16/21°C

MBOMBELA
Partly cloudy with isolated showers and thundershowers.
Minimum/Maximum: 16/24°C

POLOKWANE
Partly cloudy.
Minimum/Maximum: 16/26°C

MAHIKENG
Cloudy with scattered showers and thundershowers.
Minimum/Maximum: 17/24°C

VRYBURG
Cloudy with scattered showers and thundershowers.
Minimum/Maximum: 17/23°C

BLOEMFONTEIN
Cloudy with widespread showers and thundershowers.
Minimum/Maximum: 15/20°C

KIMBERLEY
Cloudy with widespread showers and thundershowers.
Minimum/Maximum: 16/21°C

UPINGTON
Cloudy with widespread showers and thundershowers.
Minimum/Maximum: 18/25°C

CAPE TOWN
Morning fog, otherwise cloudy at times.
Wind: Moderate to fresh easterly.
Minimum/Maximum: 19/24°C
The expected UVB Sunburn Index: Very High

GEORGE
Partly cloudy.
Wind: Moderate to fresh easterly.
Minimum/Maximum: 16/27°C

GQEBERHA
Partly cloudy.
Wind: Fresh north-easterly.
Minimum/Maximum: 18/26°C

EAST LONDON
Partly cloudy.
Wind: Fresh north-easterly.
Minimum/Maximum: 18/28°C

DURBAN
Cloudy with isolated showers and thundershowers.
Wind: Moderate north-easterly.
Minimum/Maximum: 21/27°C
The expected UVB Sunburn Index: Very High

RICHARDS BAY
Cloudy at times.
Wind: Fresh north-easterly.
Minimum/Maximum: 21/31°C

PIETERMARITZBURG
Morning fog, otherwise cloudy with isolated showers and thundershowers.
Minimum/Maximum: 15/26°C

This forecast is usually updated a few times per day.

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