IDW10100
Australian Government Bureau of Meteorology
Western Australia

Western Australia Forecast
Issued at 4:30 pm WST on Sunday 31 August 2025
for the period until midnight WST Thursday 4 September 2025.

Warning Information
For latest warnings go to www.bom.gov.au, subscribe to RSS feeds, call 1300 659
210* or listen for warnings on relevant TV and radio broadcasts.

Weather Situation – Northern Western Australia
A strong high pressure system in the Bight is moving east and is directing
moderate to fresh and gusty east to southeasterly winds across much of the
north. A weak trough will form along the west Pilbara coast by Monday as the
high moves away, with winds easing and turning easterly. The trough will move
inland on Wednesday ahead of a cold front moving through southern WA. A new
ridge will develop across the west Pilbara coast from Thursday.

Weather Situation – Southern and Central Western Australia
A strong high pressure system in the Bight is moving east, with the ridge
across southern WA weakening on Monday. A west coast trough will form on Monday
as a weak cold front brushes past the southwest coast. A patchy cloud band will
develop over central and southern WA on Tuesday, with the west coast trough
moving inland on Wednesday ahead of a series of cold fronts in the second half
of the week.

Forecast for the rest of Sunday 31 August
Chance of a light shower about the southwest coast, and about the north
Kimberley coast.

Forecast for Monday 1 September
Light showers south of a line Mandurah to Bremer Bay. The chance of morning fog
over inland parts of the South West Land Division and northwest Kimberley.
Areas of morning frosts over inland parts of the South West Land Division,
southern Goldfields and southern Interior.

Forecast for Tuesday 2 September
Light showers south of a line Rockingham to Jerramungup to Israelite Bay. One
or two light showers developing over western Gascoyne. The chance of morning
fog over inland parts of the South West Land Division, southwest Goldfields,
and far western Kimberley. The chance of morning frosts over inland parts of
the South West Land Division, southern Goldfields and southern Interior.

Forecast for Wednesday 3 September
Showers over the South West Land Division, Gascoyne, Goldfields, western parts
of South Interior and Eucla. The chance of morning fog over inland parts of
South East Coastal, Eucla, northwest Gascoyne and southwest Pilbara. Chance of
morning frosts over inland southern parts of the South West Land Division.
Windy in the afternoon and evening over the Gascoyne, Goldfields, South
Interior, Eucla and South West Land Division.

Forecast for Thursday 4 September
Showers over the South West Land Division, Gascoyne, Goldfields, South Interior
and Eucla. Chance of a thunderstorm over southern Goldfields and Eucla. The
chance of morning fog over western Gascoyne and northern inland parts of the
Central West. Windy over southern coastal districts and South Interior.

The next routine forecast will be issued at 4:45 am WST Monday.

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