Sydneysiders should brace themselves for a very wet weekend and the rain will set in for days.
While no warnings for the five-day rain event have been released yet, thunderstorms and heavy rain are expected throughout eastern NSW.
The storm will reach Sydney by Saturday evening.
It will be the second spurt of heavy rain the city has experienced this week after a cold, wet start to the week with a top rainfall of 28mm.
“For inland parts today we’re expecting to see the higher rainfall totals and tomorrow along the coastal areas and particularly in between the Illawara and south coast northern parts,” said a a spokeswoman at the Bureau of Metereology.
“We’re expecting a bit more rain and wind than thunderstorms to begin with,” she said.
“We could see rainfall totals around 30-60mm more widespread but a little bit higher in localised areas in those parts.”
Helen Kirkup, a meteorologist at the Bureau of Meteorology, said the rain event began on the western side of the Great Dividing Range on Friday afternoon.
“There’s a massive cloud out there that’s heading this way. We’ve already had solid rains of more than 35mm out west,” Ms Kirkup said.
A deepening trough will cause constant rain throughout the weekend and into early next week.
The first downpour should narrowly miss the game between the Swans and St Kilda on Saturday afternoon but could arrive just in time to drench the first match of the Bledisloe Cup in the night.
The focus of the storm is likely to be along the NSW south coast.
“Exactly where and how intense it’ll be is still too early to forecast but these storms often build up a focal point of up to 200mm of rain,” Ms Kirkup said.
Temperatures in Sydney are expected to reach a maximum of 18 on Saturday and 17 on Sunday, dipping to 14 overnight.
Despite relatively light rainfall across the state, the bureau would not rule out the possibility of minor flooding.
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