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Disruptive Sunday Rain Forecast Across South Africa, With Flood Risk Highest in Gauteng

A cut-off low is expected to drive widespread thunderstorms with a sharp temperature drop before easing on Monday.

Overview

  • The South African Weather Service issued warnings for disruptive heavy rain and thunderstorms on Sunday across Gauteng, North West, Mpumalanga, Free State, Limpopo and parts of KwaZulu-Natal.
  • The agency cautioned that downpours could trigger flooding, fast‑flowing streams and deep water, urging residents and farmers to monitor updates and take precautions.
  • Gauteng is forecast to be cloudy and cool with widespread thundershowers, with Pretoria near 17°C and an 80% chance of storms and Johannesburg also expecting a wet, cooler day.
  • Less rain is projected for Gauteng on Monday though cold conditions may persist, with some areas expected to drop to about 12°C.
  • Warmer conditions are anticipated from Tuesday with the potential for additional rainfall later in the week as models point to further showers.