Tuesday’s Weather: Severe thunderstorms and extreme heat strike SA as South Africa experiences a classic midsummer clash between intense heat and rapidly developing storms, creating hazardous conditions across multiple provinces.
Scorching temperatures, high humidity and unstable atmospheric conditions have prompted the South African Weather Service alert, with forecasters warning of disruptive weather that could impact transport, infrastructure, agriculture and public safety.
Severe thunderstorms South Africa faces amid extreme heat
Large parts of the country are bracing for volatile conditions as extreme daytime heat fuels thunderstorm development. The South African Weather Service (SAWS) has issued a Yellow Level 2 warning for severe thunderstorms over:
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Central and south-eastern North West
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Central and eastern Free State
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Western interior of KwaZulu-Natal
These storms may bring localised flooding, small hail, damaging winds and lightning, particularly during the late afternoon and evening hours.
The combination of heat and moisture has increased the risk of fast-forming storms that can intensify quickly, catching communities off guard.
Extreme heat weather warning remains in place
Alongside storm threats, an extreme heat weather warning remains a major concern. Several regions are expected to experience very hot to extremely hot conditions, placing vulnerable groups such as children, the elderly and outdoor workers at increased risk of heat-related illness.
Health authorities urge residents to:
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Stay well hydrated
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Avoid prolonged sun exposure during peak hours
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Wear light, breathable clothing
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Check on vulnerable family members and neighbours
Provincial weather forecast SA: Gauteng
In Gauteng, conditions will be partly cloudy and hot, becoming very hot in southern areas. Afternoon showers and thundershowers are expected, with an estimated 30% chance of rain.
While rainfall may offer brief relief from the heat, sudden downpours and gusty winds could disrupt travel during the evening commute.
Mpumalanga and Limpopo outlook
Mpumalanga
The province begins the day with fog and drizzle along the escarpment, especially in higher-lying areas. Conditions will then turn warm to hot, with isolated thunderstorms inland. Rain chances remain near 30%, while the Lowveld is expected to stay mostly dry.
Limpopo
Limpopo will also experience early morning drizzle along the escarpment, followed by warm to hot conditions. Isolated showers are expected in the southern parts of the province, with rain chances around 30%.
North West and Free State brace for storms
North West
The day starts fine but temperatures will rise rapidly, becoming very hot. Isolated afternoon thunderstorms are expected, with about a 30% rain chance, particularly in central areas.
Free State
The Free State faces some of the most unstable conditions. It will turn very hot, with partly cloudy skies developing later in the day. Isolated storms are likely in the west (30% chance), increasing to around 60% in the east, where showers and thundershowers may become widespread.
Northern Cape fire danger remains extremely high
The Northern Cape remains hot to very hot, with extremely high fire danger in central and eastern regions. Most of the province is expected to remain dry, although the far eastern parts may see isolated afternoon showers with a 30% rain chance.
Authorities urge residents to avoid open flames and report any signs of veld fires immediately.
Coastal conditions and Western Cape forecast
Along South Africa’s coastline, freshening southerly to south-easterly winds are expected, particularly along the southern and eastern coasts.
In the Western Cape, morning fog will linger along the west coast before giving way to hot interior conditions. The extreme north-east of the province may experience an isolated storm, while most areas remain dry under very high UV levels.
Eastern Cape weather outlook
The western half of the Eastern Cape will be hot to very hot, becoming extremely hot in places, with isolated storms possible and a 30% rain chance.
In contrast, the eastern half of the province faces a higher likelihood of showers and thundershowers, with rain chances reaching around 60%, though the far northern areas remain more isolated near 30%.
KwaZulu-Natal: storms likely later today
KwaZulu-Natal starts the day with fog in parts of the north and south-east, before turning warm to hot and very hot in places. Isolated thunderstorms are expected across much of the province, with rain chances increasing to around 60% in the south-west.
Safety advice as Tuesday’s Weather: Severe thunderstorms and extreme heat strike SA
As Tuesday’s Weather: Severe thunderstorms and extreme heat strike SA, residents are advised to stay alert throughout the day. Sudden weather changes are possible, particularly in the late afternoon.
Key safety tips include:
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Avoid low-lying areas prone to flooding
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Secure loose outdoor items
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Unplug sensitive electronics during storms
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Seek shelter when lightning is present
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Monday’s weather: Severe storms, heatwave warnings, warm conditions in parts of SA
Looking ahead
Weather conditions are expected to remain unstable in the coming days as summer patterns persist. The South African Weather Service alert remains active, and residents are encouraged to monitor official updates for their local areas.
Mainstream Media Weather References
- “Tuesday’s weather: Heatwave in 4 provinces, with severe storms in multiple regions” – News24 reports on SA’s heatwave and severe thunderstorms with warnings from the South African Weather Service.
https://www.news24.com/southafrica/weather/tuesdays-weather-heatwave-in-4-provinces-with-severe-storms-in-multiple-regions-20260126-0927 - “Tuesday’s Weather: Severe thunderstorms and extreme heat strike SA” – IOL News covers the clash of extreme heat and thunderstorm activity across South Africa with weather warnings.
https://iol.co.za/news/weather/2026-01-27-tuesdays-weather-severe-thunderstorms-and-extreme-heat-strike-sa/
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