Overview
- The South African Weather Service issued the warning for Sunday, 27 September 2026, saying severe thunderstorms will affect most of KwaZulu‑Natal and the highveld of Mpumalanga.
- SAWS says the storms will bring heavy downpours, hail, strong damaging winds, and excessive lightning that could flood roads and damage buildings.
- Strong interior winds are expected to threaten local infrastructure and may disrupt inland transport routes while coastal winds and waves could affect small harbours and port operations.
- The service also flagged an elevated to extremely high fire danger in parts of the North West (Ratlou and Mahikeng municipalities) and flare‑ups in north and central Gauteng.
- Provincial forecasts vary for Sunday with scattered showers or thundershowers across most provinces, wide temperature and UVB differences, and a clear instruction to monitor SAWS updates for local short‑term changes.