Australian Government Bureau of Meteorology
Western Australia

Western Australia Forecast
Issued at 4:45 am WST on Wednesday 18 October 2023
for the period until midnight WST Saturday 21 October 2023.

Warning Information
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Weather Situation – Northern Western Australia
A strong high pressure ridge lies over the Bight is directing a dry east to
southeasterly flow across the northern half of the State, pushing a trough near
or offshore from the west Kimberley and Pilbara coast. Winds will start to ease
over the Pilbara and Kimberley from today as the ridge begins to weaken,
allowing the trough to drift back inland. A new ridge building to the south
from the Indian Ocean will maintain a rather fresh southeasterly flow today and

Weather Situation – Southern and Central Western Australia
A high pressure ridge extends through southeast and central WA from the Bight.
A trough is also moving through the inland South West Land Division, continuing
through the Goldfields today to reach the Interior on Thursday. The tail of a
weak front will brush the southwest corner this morning, then a new ridge will
extend through southern and western parts of the State from the Indian Ocean
today and Thursday.

Forecast for the rest of Wednesday 18 October
Cooler throughout the South West Land Division and southern and western
Goldfields. Areas of smoke haze in the Kimberley. Remaining very hot from the
Pilbara southeastward through the inland Gascoyne, eastern and northern
Goldfields, Interior and Eucla. Light showers possible over south coastal
districts, mainly morning. Lighter winds this morning over the Kimberley.

Forecast for Thursday 19 October
Light showers possible over the South Coastal district and eastern parts of the
Southwest district. Cooler in the eastern Goldfields and Eucla. Very hot across
the Kimberley, Pilbara and northwest Gascoyne.

Forecast for Friday 20 October
Partly cloudy for most of the South West Land Division with sunny skies in
northern WA and the Interior. Very hot temperatures persisting across northern
parts of the State.

Forecast for Saturday 21 October
Possible afternoon showers and thunderstorms over the far northern Kimberley.
Very hot temperatures persisting across northern parts of the State.

The next routine forecast will be issued at 4:30 pm WST Wednesday.

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