Parts of Australia are set to be drenched with the most rain they have seen in a decade as ex-tropical cyclone Tiffany barrels across large swathes of the country.
Rain records are expected to be broken this week as a ferocious low pressure system, sparked by Tiffany, wreaks havoc across the nation’s south and east.
Meanwhile, other parts of the country will sizzle through consecutive 40C days as heatwaves hit Western Australia and Victoria.
Tiffany weakened to a tropical low after making landfall at Cape Melville, in far northern Queensland, last week before charging west - sparking widespread rainfall from Broome to Darwin.
Remnants of the storm, initially a category 1 system, are now swirling over Australia’s south east, bringing storms and heavy rain to NSW and QLD.
Five states are set to be soaked this week as ex-tropical cyclone Tiffany barrels a low pressure system across parts of the NT, SA, NSW, VIC, and QLD. Pictured: Sydneysiders braving the rain
Other parts of the country will sizzle through consecutive 40C days as heatwaves hit Western Australia and Victoria. Pictured: Perth’s Cottesloe Beach
Northern NSW and southeast Queensland are forecast to be hit with heaving rainfall and gusty winds from Tuesday into the weekend.
Severe thunderstorms warnings are currently in place for NSW’s Mid-North coast and New England region, as well as Roma, Charleville, and St George in Queensland’s Darling Downs.
But South Australia will bear the brunt of the multi-state wild weather event, with parts of the state expected to see up to 150mm of rain and potential flooding.
While the wet conditions have hit Queensland and NSW earlier, the western side of the system - which is currently sweeping across outback NT and SA - will reach Adelaide on Friday.
Once it arrives, South Australia’s east is expected to be smashed with up to 100mm of rain - the equivalent of a whole summer’s worth in just 48 hours.
Adelaide, Port Augusta, and Whyalla are forecast to be soaked by about 20mm each day throughout the weekend, while other areas north of the capital city are forecast to reach more than 100mm and 150mm.
Regions in the system’s path include the Eyre Peninsula, Mid North and Flinders, although its trajectory could widen in coming days.
The heavy downpours are anticipated to be the most the state has seen since February 2011, raising concerns of significant flooding.
Cities along Australia’s eastern coastline are also bracing for a soggy weekend, as the effects of the low-pressure system linger into next week.
Sydney is expected to be soaked by up to 50mm of rain in coming days, with 10mm on Tuesday, 25mm on Wednesday, and 15mm on Thursday.
In inland parts of NSW, Dubbo is set to see up to 20mm on Tuesday and 15-35mm on Wednesday as storms roll over the state’s central and northwest.
Parts of South Australia are set to be smashed by heavy downpours exceeding 150mm, with Adelaide (pictured) copping more than 40mm over the weekend
The midweek downpours will increase the risk of flooding in southeast Queensland and northern NSW
Armidale is also expected to be inundated with 20-40mm during the middle of the week.
But conditions will be even wetter further east, with Coffs Harbour seeing falls between 60-100mm between Tuesday to Friday.
Up north, Brisbane residents may also need umbrellas as showers start on Wednesday, gaining momentum over Thursday and Friday with 20mm across the two days.
Further west, Cunnamulla is also in for some downpours, with 10-35mm on Wednesday and Thursday.
The system will also trickle into eastern parts of Victoria, with showers forecast for the Gippslands region on Wednesday.
While the east soaks, a heatwave scorching western Australia has pushed the mercury up to 40C in Perth
Meanwhile, Australia’s summer heatwave continues to jack up the mercury, with Perth hitting 40C on Tuesday.
The Bureau of Meteorology has issued a severe heatwave warning for Perth and WA’s south west from Tuesday until Thursday.
Despite the showers, temperatures will remain high in Sydney, with the mercury hovering between 20C and the mid to high 20Cs.
Melbourne is set to sizzle this week from Wednesday onwards, with tops in the low 30Cs and minimums in the mid-teens.
Similar heat will be felt in Brisbane, where lows will sit around the low 20Cs and maximums in the high 20Cs.
A map shows the trajectory of the low pressure system on Wednesday as hovers over parts of Queensland and New South Wales
Floodwaters are seen in Brisbane on January 9 with more dangerous conditions expected over the next few days
Perth is in for scorching temperatures, with tops of 39C and 40C all week, and lows in the mid 20Cs, as very hot and sunny conditions bake the nation’s west.
Humid conditions are in store for Adelaide, with the mercury climbing from 29C on Wednesday to the mid 30Cs for the rest of the week.
Temperatures will ease slightly from Saturday as showers move in, bringing maximums to the mid 20Cs.
Darwin residents can also expect sticky conditions, with showers raging for most of the week and temperatures between the mid 20Cs to low 30Cs.
Hobart will be cool and cloudy until the middle of the week, with minimums around 12C and a top of 19C. Sunny conditions will emerge from Thursday, boosting the mercury up to the mid 20Cs.
Canberra is forecast to be cloudy all week until the last half of the weekend. Temperatures will bask between the mid teens to low 20Cs.
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