Thunderstorms lashed central and northern parts of New South Wales on Friday, bringing hail, strong winds and substantial rainfall, with more on the way over the weekend. Although thunderstorms were not as wild as those seen on Thursday in Victoria, they still brought gusty winds, hail and heavy rainfall to central and northern parts of NSW. One such thunderstorm dropped 18mm in just 10 minutes at Narrabri, as well as producing wind gusts to 82km/h. The thunderstorms also produced some substantial rainfall across the northern inland. Walgett picked up 67mm, its heaviest rain in two and a half years, and its heaviest March rain since at least 1971. Sydney also copped briefly intense storms during the early afternoon, with suburbs such as Parramatta and Guildford reporting pea size hail. Those at the Easter show would have copped a short but sharp drenching, with Sydney Olympic Park recording 8mm in just 10 minutes. Thunderstorms are likely to continue over the weekend in NSW. During Saturday, the focus will again be on central and northern parts of the state. Damaging winds and hail remain a threat with any storms, although heavy rain is less of a risk. During Sunday, the focus will be even further north over the Northern Rivers and in northern parts of the North West Slops & Plains as the trough edges towards Queensland. Thunderstorms are likely to clear most parts of the state by the start of the working week, with only places close to the QLD border having any chance of further rumbles.