IDW10100
Australian Government Bureau of Meteorology
Western Australia

Western Australia Forecast
Issued at 1:58 pm WST on Tuesday 20 October 2026
for the period until midnight WST Saturday 24 October 2026.

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 trough extends from the Pilbara to the Interior. Associated cloud band over
the Pilbara and Interior is moving east and will contract to the Interior on
Wednesday.

Weather Situation – Southern and Central Western Australia
A ridge over southern WA is weakening. A series of weak cold fronts will brush
past the southwest coast from Wednesday until Saturday. Meanwhile, a trough
developing over the Goldfields on Wednesday will move to the Interior from
Thursday. A new ridge will develop over southern WA on the weekend.

Forecast for the rest of Tuesday 20 October
Showers and possible gusty thunderstorms over much of the Kimberley, Interior,
inland Pilbara, Gascoyne, Goldfields and far northeastern parts of Central
Wheat Belt. Very hot through the Kimberley, eastern Pilbara and adjacent North
Interior. Windy at times over the Interior and adjacent Pilbara.

Forecast for Wednesday 21 October
Showers and possible thunderstorms over much of the Kimberley, Interior,
Goldfields, far northeast Gascoyne and far eastern Pilbara. Showers over
eastern parts of South East Coastal and Eucla. Showers developing south of a
line from Lancelin to Bremer Bay during the day. Possible morning fog over
inland and southern parts of the South West Land Division. Very hot in the
inland Kimberley, and eastern Pilbara and adjacent North Interior. Windy at
times over the southern South West Land Division and over the Interior.

Forecast for Thursday 22 October
Showers and possible thunderstorms over much of the Kimberley, and the eastern
Interior. Showers southwest of Kalbarri to Israelite Bay, contracting to the
southern and western coastal districts in the afternoon. Very hot in the inland
northeast Pilbara and southwest Kimberley. Windy over the Great Southern and
Eucla districts in the afternoon.

Forecast for Friday 23 October
Showers and possible thunderstorms over the north and east Kimberley, Interior,
and eastern Eucla. Showers over the western and southern parts of the South
West Land Division, southern Goldfields and western Eucla districts,
contracting to the south coastal districts in the afternoon. Very hot in the
inland northeast Pilbara and southwest Kimberley. Windy over western Gascoyne,
Pilbara, and the Eucla.

Forecast for Saturday 24 October
Showers and possible thunderstorms over the north and east Kimberley, Interior,
southeast Pilbara, far northwest Gascoyne and eastern Eucla. Showers over the
western and southern parts of the South West Land Division, southern parts of
the Goldfields, and Eucla. Chance of morning frost through inland parts of the
South West Land Division. Windy at times across much of the state to the south
of northern Kimberley.

The next routine forecast will be issued at 1:45 am WST Wednesday.

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