IDW10100
Australian Government Bureau of Meteorology
Western Australia

Western Australia Forecast
Issued at 1:30 pm WST on Sunday 18 January 2026
for the period until midnight WST Thursday 22 January 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 broad trough lies over northern parts of the state and will persist into next
week. A tropical low is forming west of the Top End in the Northern Territory,
forecast to move into the Timor Sea to the north of the Kimberley early next
week.

Weather Situation – Southern and Central Western Australia
A ridge develops along the south coast, with a high pressure centre moving into
the Bight on Tuesday. A west coast trough will develop from Monday, remaining
about the coast through to late Thursday.

Forecast for the rest of Sunday 18 January
Showers and gusty thunderstorms over the Kimberley, northern Interior, Pilbara
and north Gascoyne. Windy at times over the southern Interior, southern
Goldfields, Eucla and western Gascoyne.

Forecast for Monday 19 January
Showers and gusty thunderstorms over the Kimberley, Pilbara, northwest
Interior, and far northern Gascoyne, with possible heavy rainfall in the north
Kimberley. Very hot over the southern Kimberley, northern Interior, Pilbara,
Gascoyne, far northern Goldfields, inland parts of the Central West and
northern parts of the Lower West. Windy at times over the Interior, eastern
Goldfields, and Eucla.

Forecast for Tuesday 20 January
Showers and gusty thunderstorms over the Kimberley, northern and western
Pilbara, and the far northern Gascoyne, with possible heavy rainfall in the
north Kimberley. Very hot over the southern Kimberley, northern Interior,
Pilbara, Gascoyne and northern and western parts of the South West Land
Division. Windy at times over central parts of the State and the southeast
Pilbara. Increased chance of tropical cyclone activity north of the State.

Forecast for Wednesday 21 January
Showers and gusty thunderstorms over the Kimberley, western and northeastern
Pilbara, and far northern Interior, with possible heavy rainfall over the
northern Kimberley. Possible light showers along the south coast east of
Albany.Very hot over the southern Kimberley, Pilbara, west Gascoyne, and
western parts of the South West Land Division.Windy at times over the Eucla and
central parts of the State. Increased chance of tropical cyclone activity north
of the State.

Forecast for Thursday 22 January
Showers and gusty thunderstorms over the Kimberley, much of the Pilbara,
Northern Interior, and inland northern Gascoyne, with possible heavy rainfall
over the northern Kimberley. Possible light showers along the south coast, east
of Israelite Bay. Very hot over the southern Kimberley, Pilbara, and west
Gascoyne.Windy at times over the Eucla and central parts of the State.
Increased chance of tropical cyclone activity north of the State.

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

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