THOUSANDS of properties are still without power across South Australia today after thunder and lightning hit the state overnight.
Adelaide's south was hit the hardest with power outages on Friday morning affecting over 3000 properties in suburbs that included Aldinga and Sellicks Beach.
People in Golden Grove and Craigmore in the north of Adelaide, however, are still waiting for power to be restored.
At around 8am, the blackouts peaked to nearly 18,000 properties.
By 2pm, power had been restored to most customers, but around 6000 are still without power in outer suburbs and regional areas.
SA Power Networks has confirmed the outages are due to lightning hitting important infrastructure, and power may not be restored to some properties until well into the afternoon.
They say about 100,000 cloud-to-ground lightning strikes have hit since 5am on Friday morning, giving photographers around the state plenty of chances to capture the perfect shot.
"It's difficult to predict when you have a thunderstorm forecast, you don't actually know where it's going to hit," Paul Roberts at SA Power Networks said.
"This one is certainly a bit bigger than I expected," he said.
While in McLaren Vale, a house was destroyed just after 1am on Friday morning.
Police say the owners are overseas and no one was home when the fire started.
The fire was reportedly started after lightning struck a car on the driveway.
Rain also fell across the state overnight with the most being 8mm in Virginia and 7mm in Noarlunga.
Adelaide is forecast 25C on Friday following a hot 33C day on Thursday.
Senior Bureau of Meteorology forecaster Brett Gage said thunderstorms are expected to continue throughout Friday morning.
"At the moment, there's a lot of lightning activity across the foot of Yorke Peninsula," he said.
"[It's] extending across the Gulf of St Vincent towards Adelaide."
Adelaide, however, should have a sunny afternoon, he said.