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Today, 1:10AM UTC
Heavy rain continues in Murray-Darling Basin
Heavy rain continues to fall in the Murray-Darling Basin after some of the biggest 24-hour and 48-hour rainfall totals in years in parts of South Australia, northern and western Victoria, and far western News South Wales – some of which were record-breaking. Notable rainfall totals in the 24 hours to 9am Monday included: 103.2mm at Mount Woowoolarah – a western NSW cattle station just a few kilometres from the SA border. It is very unusual for the highest NSW rainfall reading to occur in a location so far west. 100.6mm at Arcoona Bluff in South Australia’s North East Pastoral district. That’s also a huge fall for that area. 83mm at Mildura Airport after 65.8mm the day before. That brought the two-day total to well over half the average annual rainfall in the far northwestern Victorian city on the Murray River. 63.4mm at Bendigo Airport, the heaviest fall in the Victorian city in over two years. 57.2mm at Broken Hill after 26.8mm the previous day, which was almost exactly a third of the far southwestern NSW city’s average annual rainfall in two days. 26.4mm over three days in Adelaide, which was actually a very moderate total for the event compared to many parts of SA, but it was still the city's heaviest rain in months. As Weatherzone meteorologist Maryam Al-Ansari wrote on Sunday, some of the rainfall records that tumbled on the weekend included 96.4mm that fell at Horsham in the 24 hours to 9am Saturday. That was the highest daily February rainfall total on record for the town in the Wimmera region of far western Victoria, and another 61mm has fallen since in the first two days of March. Image: 8-hour radar loop for Victoria and nearby areas to 10:30am (AEDT) on Monday, March 2, 2026. Source: Weatherzone. What next for this rainy system? As you can see on the radar loop above, rain has largely cleared South Australia now, while Tasmania also got a good overnight soaking which has mostly pushed offshore for now. But large rainbands continue to surge across Victoria, New South Wales and the ACT. The chart below shows one model’s predicted rainfall accumulation up until late on Tuesday night. As you can see, a broad part of the southwestern mainland is in line for falls of 20mm or more, with totals potentially up around the 100mm mark in some areas. Image: Predicted rainfall accumulation to 11pm on Tuesday, March 2, 2026, according to the ECMWF model. The Murray-Darling Basin (where rain that falls ends up in the Murray or Darling Rivers) is located within the black line. Source: Weatherzone. What’s causing this ongoing heavy rain? This is the same unusually long-lasting inland low pressure system which brought locally huge rainfall totals to parts of the outback, including the Simpson Desert. The low has been slowly tracking southwards, dragging tropical moisture with it. Decaying tropical cyclones are often the engine for systems which transport tropical moisture to Australia’s southern states, but that has not been the case on this occasion. What is the flooding situation? Numerous minor flood warnings are in place for many of the areas mentioned in this story, but this is not yet a widespread serious flooding event, despite the heavy rainfall totals. However, that could change. Please check the Weatherzone warnings page for the latest information.
28 Feb 2026, 4:23AM UTC
Update: Heavy rain drenching South Australia and Victoria, and much more to come
The low pressure system over the country’s interior has been slowly moving southward, as stated in Anthony Sharwood’s story, leading to increased heavy falls over South Australia and Victoria. Flooding rainfall persists over South Australia, with a severe weather warning active for every district in the state. Yesterday the heaviest falls were recorded in the state’s west, with 24-hour totals recorded and estimated to have reached: 180mm at Ooldea (midday Fri 27th to midday Sat 28th) 124mm at Perlubie 120mm at Wirrulla 112mm at Mundamuckla 101mm at Gawler Ranges 100mm at Maralinga In the 24 hours to 9am this morning (28th February) South Australia saw: 103mm in Minnipa (and a further 25mm+ from 9am) 75.2mm in Ceduna (and a further 30mm+ from 9am) 69.0mm in Wudinna (and a further 15mm+ from 9am) 45.4mm in Parndana 33.0mm in Rayville 31.0mm in Woomera For many places in the state's west, it's been the heaviest rain in several years, decades in some places. Victoria also experienced heavy falls yesterday. Some cities in western Victoria saw the heaviest rainfall in the 24 hours on February 27th than they had seen in the last 3-8 years, if not the highest February falls in a decade! Some of these cities include: Horsham saw 96.4mm in 24 hours. The heaviest fall on record for the city (where the record starts at 1998). Of this 96.4mm, approximately 91.0mm of it fell in one hour! Longerenong saw 52.6mm in 24 hours. The heaviest fall since November 2018, and heaviest February rain since 1973 Warracknabeal saw 47.8mm in 24 hours. The heaviest fall since January 2022 Edenhope saw 32.4mm in 24 hours. The heaviest fall since November 2023, and heaviest February rain since 2020 Kilmore Gap saw 24.4mm in 24 hours. The heaviest February rain since 2013 Latrobe Valley saw 30.2mm in 24 hours. The heaviest February rain since 2015 Charlton saw 27.2mm in 24 hours. The heaviest February rain since 2016 Rainfall is expected to persist over South Australia this weekend, slowly moving into Victoria and western NSW on Monday as a front pushes the weakening low eastward. The heaviest rainfall is expected with thunderstorms, as southeast South Australia experienced this morning; more than 110,000 lightning strikes in the 300km around Mount Gambier Saturday 28th morning and 10 to 30mm of rainfall per location in the vicinity. A severe weather warning was issued for these thunderstorms by the Bureau of Meteorology for this morning. Image: Radar detected lightning strikes within a 300km radius of Mount Gambier Daily rainfall totals exceeding 100mm can be expected for SA over the weekend, with similar rates possible in Victoria on Monday. The Bureau of Meteorology has issued severe weather and flood warnings for South Australia, western Victoria and southwest New South Wales today, which are likely to be extended for Sunday and Monday at the very least.
27 Feb 2026, 5:08AM UTC
Adelaide set for wettest weekend in months in SA deluge
Heavy rain is forecast for parts of South Australia this weekend, including Adelaide, with Sunday in particular likely to be by far the wettest day of 2026 to date for the SA capital. Not that it would take much rain to exceed the paltry amounts that have fallen this year. So far in 2026, Adelaide has received just 3.6mm of rainfall All of this year’s rainfall has been in February after a totally dry January. December was also very dry in Adelaide with just 2.8mm, meaning summer has thus far yielded just 6.4mm of rainfall. But as mentioned, significant rainfall is forecast for this weekend, as a low pressure system which has been sitting over central Australia all week tracks southwards. Image: Forecast precipitable water levels (atmospheric moisture available for rainfall) and mean sea level pressure for Sunday, March 1, 2026, showing the low centred near Port Augusta. Source: Weatherzone. How much rain can Adelaide expect? The BoM is forecasting 7mm to 30mm on Saturday and 10mm to 50mm on Sunday for Adelaide. This relatively wide range illustrates a high level of uncertainty as to whether the abundant atmospheric moisture will reach Adelaide. That uncertainty is mirrored in the output of the two main international models that cover Australian weather. The EC model (below) is fairly bullish regarding the prospect of much-needed rainfall in most southern parts of South Australia. It also forecasts particularly heavy rainfall in parts of the Eyre Peninsula and dry areas further north. Image: Predicted South Australia rainfall accumulation up until 10:30pm (ACDT) on Sunday, March 1, 2026, according to the EC model. Source: Weatherzone. The GFS model (below) is a little less confident for Adelaide and nearby parts of the state, although it does indicate that significant widespread rainfall is likely. Image: Predicted South Australia rainfall accumulation up until 4:30am (ACDT) on Monday, March 2, 2026, according to the GFS model. Source: Weatherzone. Flooding and flash flooding likely in parts of SA Wherever the rain hits, and whatever the eventual totals, this is an event that is likely to generate localised flooding and flash flooding in parts of both South Australia and Victoria. The BoM’s SA weather warnings issued on Friday include an inland flood warning for flooding that is already occurring along Cooper Creek at Innamincka in the far northeast of the state, with many roads and access tracks impacted by flooding, in particular river and creek crossings. You don’t see a flood warning for that region too often. Looking ahead, the BoM has also issued a flood watch for a long list of areas within South Australia from Kangaroo Island to the outback. Please be careful this weekend, obey all road signs, and never drive, walk, swim or play in floodwaters.




