Gauteng, the western highveld of Mpumalanga, Limpopo's southwest bushveld, North West, Free State, and the northern and northeastern parts of the Northern Cape will be affected.
CAPE TOWN - The SA Weather Service is expecting a heatwave to grip parts of the Western Cape over the next few days.
This comes amidst a water crisis in the province.
Temperatures are predicted to reach 39 degrees Celcius in Cape Town.
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It threatens to speed up the arrival of day zero in the city.
The city&39;s taps could run dry around 20 May 2018.
Dam levels in the province currently stand at 35 percent.
Heatwave conditions are also expected across parts of the Northern Cape.