A man was struck in the head by a falling tree during wild thunderstorms in southeast Queensland that cut power to more than 30,000 homes.

Large hailstones, some reportedly the size of golf balls, damaging winds and heavy rain lashed the region on Sunday afternoon.

The man in his 30s is in a stable condition at Princess Alexandra Hospital after suffering upper body injuries at a Karalee property, west of Brisbane, about 1pm.

Power supplier Energex recorded more than 80,000 lightning strikes in the southeast from midday to 4pm.

High winds and flying debris brought down 207 powerlines, with significant damage to networks in the Redland Bay, Mt Crosby and Bay Islands.

Some people in those areas may not have power restored until Monday, Energy Queensland said

More than 30,000 homes were without power at 3pm, although about 5000 had been reconnected to the grid by Sunday evening,

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Wet weather is expected to continue in southeast Queensland early this week, with the chance of a thunderstorm in Brisbane on Monday.

AAP

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