Large hailstones, heavy rainfall and damaging winds are likely on Thursday afternoon in the Central Tablelands, with affected areas including Orange, Mudgee, Bathurst, Crookwell, Taralga and Cowra.

The State Emergency Service advised people should move their car under cover or away from trees, secure or put away loose items around their house, yard and balcony, and keep at least eight metres away from fallen power lines or objects that may be energised, such as fences.

Other recommended precautions include keeping clear of creeks and storm drains; not walking, riding a bike or driving a vehicle through flood water; unplugging computers and appliances; avoiding using the phone during the storm; and staying indoors away from windows.

For emergency help in floods and storms, ring the SES on 132 500.