Parts of Australia could be bracing themselves for 50C days as the country crumbles to the impacts of global warming, a study has revealed.
Scenes of spiders scrambling to higher ground have stunned people during the floods spreading across eastern Australia.
Half of NSW, large parts of southern Queensland and southeastern Victoria are all subject to a severe weather warning on Tuesday.
Parts of NSW are now underwater after only a year ago suffering through devastating bushfires that saw livelihoods and homes destroyed.
NSW Premier Gladys Berejiklian says 18,000 people have so far been evacuated as floods hit several areas across the state.
NSW is bracing for more days of extraordinary weather, and the Bureau of Meteorology warns of three major areas expected to be in the most danger.
NSW's coast continues to be pummelled by the relentless rain, with residents told to expect similar conditions on Monday.
Ms Fotheringham spent Friday night at her parents property just inland from Taree, NSW, where 250 millimetres of rain fell the night before her big day.
Residents in western Sydney have been told to leave as soon as possible with the worst floods in 60 years set to hit.
Sarah Soars and Josh Edge have spoken of their grief after images of their home floating in NSW flood waters made headlines.
The Bureau of Meteorology has warned river levels in Sydney's west are predicted to reach those not seen since 1961.