News24 Wirev The storm, expected to bring between 20mm to 50mm of rain, was forecast to pass by Thursday. Winds were expected to reach a speed of between 60 and 80km/h. The South African Weather Service (SAWS) has issued a watch for storms in Western Cape Picture: iStock Trish Da Silva, Eskom’s Western Cape communications manager, confirmed the area between Somerset West and Grabouw had been affected due “to some damage to [Eskom] infrastructure caused by the storm”. Power supply had been lost from two major substations in the area. The South African Weather Service issued a warning of a cold front arriving in Cape Town on Tuesday evening. The cold front was expected to bring moderate to heavy rains and strong winds.