Gauteng residents face a wet and potentially hazardous weekend, with the South African Weather Service (Saws) forecasting widespread showers and thundershowers across Pretoria and Johannesburg. At the same time, the City of Tshwane has issued safety warnings ahead of possible severe storms. Pretoria: Showers and thundershowers expectedIn Pretoria, the weather service forecasts overcast conditions with showers and thundershowers throughout Saturday. The weather service predicts rainfall of up to 10mm, with a 60% chance of rain. By 2pm, the weather service forecasts showers and thundershowers as temperatures climb to 30°C, before clearing slightly to partly cloudy conditions and 25°C by 8pm.