1.1C AND LOWER: Residents shivered through plunging temperatures on coldest morning of year so far.
Penguins have washed up dead and rough seas have tossed large boulders across roads in a night of wild winter weather across Victoria.
Most places in southeast Queensland have recorded their coldest morning of the year as a wintry blast caused temperatures to plummet overnight.
A red alert has been issued for residents living along a 450km stretch of the West Australian coastline as a tropical cyclone barrels towards land.
The weather bureau says SEQ will barely feel above 20C on Monday, and apparent temps will drop to 12C in other parts of Queensland.
Approximately 1300 vehicles a day will be affected by ongoing flood-related closures.