Tropical Cyclone Ilsa is stirring up a storm off the coast of WA with SA yet to cop the brunt off the associated trough pressures in days to come, according to BOM senior meteorologist Simon Timcke.
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Heavy rain has lashed a large portion of the state with 43 millimetres reported at Coonawarra and 17mm in Mintaro in the last week.
Overnight 10mm was recorded at Hornsdale, while reports flooded social media with 4.5mm dropping at Manoora and 3mm at Hamley Bridge.
Wet sheep from the downpour has hindered shearing on some properties, but others are undergoing final preparations to begin seeding for the season ahead.
Mr Timcke said a trough which moved across the state was the cause of the rainfall.
"It was linked to a low pressure system that moved across waters to the south of our state, and it extended a trough over SA and conditions were quite unstable with that trough," he said.
"We saw plenty of showers and thunderstorms as it moved across."
He said the weather this weekend was expected to dampen all areas of the state.
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"On Friday we will see areas of rain, with some thunderstorms as well, out over the west of the state, gradually extending eastwards during the evening, and we will probably see some showers around the Adelaide area Friday evening," he said.
"Then that band of rain associated with the trough will move eastwards overnight, and during Saturday, and we will get some unstable westerly air stream to follow that which will keep the showers going over the agricultural area on Saturday.
"A sort of a rain band pushing across the west on Friday, central and eastern parts on Saturday, which will bring rainfall to all districts and then we will see showers continue on Sunday over the agricultural area."
Mr Timcke said Kangaroo Island had received the most rain in the last 24 hours.
"The wettest areas were Kangaroo Island, the South East district and Mount Lofty Ranges," he said.
"The highest that we recorded was Cape Border on the western end of Kangaroo Island with 28.6mm, Kingscote had 22.8mm, Truro had 23.4mm and then a few spots around the Mount Lofty Ranges with 15-20mm and a few spots down around the southeast with 10-20mm as well.
"They were the wettest spots here."
Kiara Stacey
Journalist for Stock Journal. Kiara was in classified sales at Stock Journal before joining the editorial team in 2021. Kiara completed a Bachelor of Communication (journalism) at Deakin University the year prior.
Journalist for Stock Journal. Kiara was in classified sales at Stock Journal before joining the editorial team in 2021. Kiara completed a Bachelor of Communication (journalism) at Deakin University the year prior.
