‘Significant’ storm to hammer millions in WA and bring icy weather to NSW, Victoria and SA
A major storm is set to hit western WA with cyclone-strength winds, then bring a cold blast and possible snow to southern and eastern states.
Intelligence analysis by GPT-5.4 Mini
The Guardian says a deep low-pressure system is driving destructive winds, heavy rain, flash flooding and rough surf across WA’s south-west, with impacts later spreading east. The bureau warns the system could also deliver a sharp winter feel to SA, Victoria and NSW early next week.
A big storm is moving across part of Australia. In Western Australia, it could blow very hard, pour heavy rain, and make the ocean dangerous.
Later, the same storm may travel east and bring cold, windy weather to South Australia, Victoria, and New South Wales. In some mountain areas, it could even snow.
It is a bit like one big cold blanket sliding across the country. First it shakes the west, then it brings chilly weather to other places too.
Analysis
What is happening
A strong storm system is moving into Western Australia and is expected to bring destructive winds, heavy rain and hazardous surf to the state’s south-west. The Bureau of Meteorology warned residents to secure loose items and prepare for gusts above 125km/h, a level usually linked with category two cyclones.
Main risks in WA
The bureau said the storm could produce thunderstorms, heavy downpours, flash flooding and a risk of tornadoes. Rainfall totals of up to 60mm over six hours were forecast in parts of the central west from late Saturday into early Sunday. The entire south-west coastline was also under warnings for abnormally high tides and damaging surf, with low-lying areas at risk of flooding.
How it moves east
The system is then expected to travel across the country, bringing a colder spell to South Australia, Victoria and New South Wales. Bureau forecaster Daniel Hayes said people in SA and alpine parts of Victoria would likely face further warnings by Sunday, with impacts reaching the eastern states on Monday and Tuesday. Melbourne was forecast to see wind gusts around 50km/h on Monday evening, and snow was possible in alpine areas.
The article notes that the storm’s link to tropical moisture will weaken as it crosses east, so the rainfall threat should ease. Even so, the weather pattern is described as a clear sign of winter’s arrival, even though the bureau’s broader seasonal outlook still points to a warmer-than-average winter across much of southern Australia.
Key points
- Western Australia’s south-west is facing destructive winds, heavy rain and dangerous surf.
- The Bureau of Meteorology warned gusts could exceed 125km/h.
- Flash flooding, high tides and even tornado risk were mentioned for parts of WA.
- The system is expected to bring colder weather to SA, Victoria and NSW early next week.
- Snow is possible in alpine areas, but rainfall should weaken as the system moves east.


