Destructive thunderstorms with large hailstones are headed for parts of NSW, as the search continues for a teenager missing in floodwaters in southwest NSW.
Emergency crews and NSW Police are searching for a 19-year-old man who went missing around the flooded Murrumbidgee River near the Victorian border town of Balranald on Saturday.
Conditions remain hazardous at Balranald as the Murrumbidgee continues to rise on Monday, with an expected peak of 7.4 metres this weekend.