Cape Town residents have taken to social media to share photos and videos of the rainfall and gusting winds.
The storm is expected to bring some relief to the Western Cape which has been gripped by a devastating drought.
There are reports of hail, gusting winds and power outages.
READ ALSO: #CapeStorm through eyes of three-year-old
SA Weather Service forecaster William Msimanga explains what people can expect.
This teen says she's somewhat upset schools are closed tomorrow.
Here's what's being shared on social media.
#capestorm our solar geyser just fell into our roof 😭😭 it's 5 minutes away from falling onto my bed . Bedroom is completely flooded.— Nox ❤❤ (@NoxoloPhutuma) June 6, 2017
Now raining in Cape Town. 84 km winds on Lion's Head. pic.twitter.com/tCVngtF9ZU— Helen Zille (@helenzille) June 6, 2017
Disturbing video footage of criminals stealing a man’s car at a local pe...Breakfast with Martin Bester 4 minutes ago
'n Pastoor van Kaapstad het beweer dat dele van Bernice West se liedjie ...Breakfast with Martin Bester an hour ago