Nine people attending a school fair were pelted with giant hailstones in a supercell thunderstorm, as Australia's east is warned more wild weather is on the way.

Giant hailstones, some measuring as big as 9cm, and heavy rain smashed southeast Queensland on Saturday afternoon.

Paramedics assessed nine people, all with hail related injuries, at the 150th Anniversary of Esk State School, about an hour northwest of Brisbane.

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 Bris

See Full Page