Weather forecast, alerts and UVB index for all South African provinces, 03 July 2021 This forecast is designed to be a quick overview of what lies in store. Weather data provided by the South African Weather Service. For a detailed forecast of your province, click here. Severe Weather Alerts IMPACT-BASED WARNINGS: Yellow Level 2 Warning for Rain leading to localized flooding can be expected in the City of Cape Town, Drakenstein, Stellenbosch and Theewaterskloof municipalities of the Western Cape. Yellow Level 2 Warning for Waves resulting in difficulty in navigation at sea between Cape Columbine and Cape Agulhas from Saturday afternoon spreading to Lamberts Bay and Plettenberg Bay by evening, subsiding from the west on Sunday.