Storm warnings are in place for most of Queensland's southeast as a wet and windy weekend looms.
Brisbane and Gold Coast have been added to a severe thunderstorm warning issued by the Bureau of Meteorology on Friday afternoon.
The bureau says severe thunderstorms are likely to produce damaging winds and large hailstones.
Heavy rainfall may also lead to flash flooding over the next several hours.
The stormy conditions are predicted to be the start of a hot, humid and unstable weekend for the region.
At midday on Friday, Brisbane's temperature was a muggy 34.7C with highs of 34C predicted for Saturday and Sunday.
"It's starting to build and we're expecting it to last six or seven hours," a bureau spokesman told AAP.
On Thursday night areas of the Sunshine Coast received up to 148mm of rain.
Current weather radar images show heavy pockets of rain south and west of Brisbane.
While residents are being warned to take care in storm conditions, Surf Life Saving Queensland (SLSQ) is also asking beachgoers to take care this weekend.
"Lifesavers and lifeguards will be on full alert, and they won't hesitate to close a beach if there is thunder and lightning around," SLSQ operations support co-ordinator Jason Argent said.
"Should that happen, it's imperative that all swimmers immediately exit the water and seek shelter in the interests of public safety."
The BoM later warned residents at Coolangatta, Miami and Southport of severe thunderstorms with damaging winds and heavy rain.
Gold Coast Airport notified customers on its Facebook page that flights were being diverted to Brisbane due to the severe weather.