The Bureau of Meteorology warned severe thunderstorms will lash north-east NSW and south-east Queensland on Tuesday. 'With those severe thunderstorms, we're forecasting damaging winds, large hail, heavy rainfall that may lead to flash flooding and there's already some thunderstorms and showers on the radar at the moment,' meteorologist Sarah Scully told Today. The Bureau said a trough of low pressure will move across NSW in the coming days. Heavy rainfall is forecast for the south coast on Tuesday, with hail also possible. The Bureau of Meteorology warned severe thunderstorms could lash north-east New South Wales and south-east Queensland on Tuesday. Pictured: A pedestrian tries to shelter from the rain in Sydney on Friday