Giant hailstones, some measuring as big as 9cm, and heavy rain smashed south east Queensland on Saturday afternoon.
Paramedics assessed nine people, all with hail related injuries, at the 150th Anniversary of Esk State School, about an hour from Brisbane, on Saturday afternoon.
One woman was taken to Ipswich Hospital with neck and head injuries, a man in his 20s was taken to Gatton Hospital with minor burns, and two women - one in her 20s and another in her 30s, were taken to hospitals privately, also with minor injuries.
Bands of thunderstorms lashed a region stretching from central Queensland down to northern NSW on Saturday, drenching Brisbane and the Sunshine and Gold Coasts as they moved east, with the Bureau of Meteorology issuing alerts well into the night.
There were reports of shattered car windows and damaged homes in some areas as the storms brought hailstones up to 9cm wide and gusts up to 100km/h..
As of 6pm, almost 3000 properties in south-east Queensland were still without power.
The bureau warned about one particularly dangerous storm that battered towns with giant hailstones as it made its way northeast from the Southern Downs to the Sunshine Coast.
At MJ's Cafe & Bar in the Southern Downs town of Pratten, owner Richard Manley said hail almost the size of tennis balls came crashing through their skylights.
"Basically all the cars in the car park had their windscreen smashed and a Land Cruiser lost nearly every panel on the car," he told AAP.
In NSW, parts of the Hunter, mid-north coast, and central tablelands on Saturday recorded hailstones as large as 7cm, while Grafton in the Northern Rivers region received 70mm of rain in half an hour.
Though storms are set to continue into Sunday, they are expected to be contained to a smaller area.
"Many places will not see the same risk," Bureau of Meteorology forecaster Angus Hines said.
"But that doesn't mean there's no risk at all."
The weather bureau is warning more wild conditions on the way, with sever storms, damaging winds and giant hail forecast for Sunday afternoon.
Glen Alderton, from Queensland's SES, called on residents to be aware of the risks.
"If you are in an area where you do hear thunder, it's probably a good cue to go inside," he told Nine's Weekend Today on Sunday.
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