Warnings as heavy rain heads for South Australia
Moderated by Tomas Kauer 
Heavy rain is on the way for parts of South Australia including Adelaide.
Intense rainfall is forecast statewide, prompting a flood watch across most of the state.
Thunderstorms are expected to hit Adelaide and wider parts of the state this morning as a slow-moving pressure system in central Australia barrels towards the east coast.
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A severe weather warning remains in place across South Australia's West Coast, Lower Eyre Peninsula, Eastern Eyre Peninsula, Kangaroo Island, North West Pastoral and parts of Yorke Peninsula and North East Pastoral regions.
"Our current expectations that this weather warning here will be quite dynamic and also expand over the weekend, particularly into eastern parts of South Australia and down towards western Victoria," the Bureau of Meteorology's Jonathan How said yesterday.
The system could cause falls of up to 70 millimetres in six hours today, and 80 millimetres tomorrow.
Isolated totals of up to 150 millimetres to 200 millimetres are also possible.
The Bureau of Meteorology has warned that flash flooding is expected from the intense rain as a large tropical low finally shifts south over the weekend.
The state's south-east is likely to be affected, with multiple flood warnings in place for the capital.
"Sunday night will be the main risk period for Adelaide and south-eastern parts of South Australia," How said.
"Really, depending on where this trough and low-pressure system do sit, we can see Adelaide is on the edge of that heavier rain, but we could see flash flooding developing across the city as we head into Monday morning as well."
How said that while the wet weather will be welcome for the dry parts of the state, it will also bring about new challenges.
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"With heavy rain, that could lead to flash and river rain flooding and this could create dangerous travel, as well as driving conditions and number of roads and freight and trade lines are already impacted," he said.
"For some parts of the south-east, this rain will be very welcome, particularly through western parts of Victoria and south-eastern parts of South Australia, but that will come with its challenges, including top soil, which may become washed away, as well as generalised flooding right across the region."
How said the conditions will ease from Monday and then clear by Tuesday.
Gloomy conditions are also gripping other parts of the nation, with rain expected across parts of Victoria and NSW this weekend.
Wet weather is expected to persist across Sydney for much of the weekend during the Mardi Gras parade.
The conditions come as Sydney continues to recover from heavy rainfall that resulted in flash flooding in some parts of the city.
Homes were evacuated as the rain inundated streets in Fairfield East, and more than 490 calls were made to the SES.
Out of those, 42 led to swiftwater rescues.
The rain eased throughout yesterday morning, with the Bureau of Meteorology cancelling a severe warning for Greater Sydney later in the day.
Marine wind warnings are in place across the state's seaside regions, including the Central Coast, Central Gippsland Coast and East Gippsland Coast.
Parts of the state also remain on flood watch with heavy rainfall expected that could lead to minor flooding in the north-west and south-west regions.
These warnings are expected from overnight Sunday into Monday.
Rain also continues to bucket down in dust-dry outback Queensland, with the tiny town of Birdsville, 10km from the South Australian border, copping an extremely rare drenching.
Weatherzone reported that in the 24 hours to 9am on Thursday, the town received 93.2mm, more than half of its annual average of 161.4mm.
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