IDW10100
Australian Government Bureau of Meteorology
Western Australia

Western Australia Forecast
Issued at 1:30 pm WST on Saturday 18 April 2026
for the period until midnight WST Wednesday 22 April 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 lingers over the Pilbara and the Kimberley, moving closer to the coast
on Sunday as a ridge strengthens through inland parts. The trough will move
inland on Monday across the Pilbara as a new ridge develops about the Gascoyne
coast.

Weather Situation – Southern and Central Western Australia
A trough persists in the Interior as a ridge is developing in the southwest and
will expand across southern WA on Sunday. A weak trough will form over the
Gascoyne on Sunday and extend into the South West Land Division during Monday
ahead of a strong cold front on Monday night. A second cold front will approach
the southwest later on Wednesday following a brief ridge over southern WA later
Tuesday.

Forecast for the rest of Saturday 18 April
Showers and gusty thunderstorms over the northern and eastern Kimberley. Chance
of a shower or thunderstorm over eastern parts of South Interior and Eucla.
Light showers possible over northern parts of Central West and about the south
coast of the South West Land Division, clearing over the Central Wheat Belt,
southern Goldfields and eastern parts of South East Coastal during the
afternoon.

Forecast for Sunday 19 April
Showers and gusty thunderstorms over central and northern parts of the
Kimberley. Chance of a shower or thunderstorm over the southeast South Interior
and northeast Eucla in the morning. Light showers possible about the southwest
coast.

Forecast for Monday 20 April
Showers and thunderstorms in the northern Kimberley. Chance of a shower or
gusty thunderstorm over the southern Goldfields, eastern parts of the South
West Land Division and western Eucla. Showers about the Southwest Capes,
spreading to south of a line Kalbarri to Bremer Bay in the afternoon and
evening with chance of a gusty thunderstorm. Chance of morning fog over the
south coastal districts of the South West Land Division. Becoming windy about
the west and southwest coasts.

Forecast for Tuesday 21 April
Showers and thunderstorms in the northern Kimberley. Showers over the South
West Land Division and adjacent Gascoyne contracting to the south coast by the
afternoon. Chance of an early gusty thunderstorm near the coast between Jurien
Bay and Bremer Bay. Chance of showers and thunderstorms over the eastern parts
of the South East Coastal district, Goldfields, adjacent South Interior and
Eucla.

Forecast for Wednesday 22 April
Showers and thunderstorms in the northern Kimberley. Chance of an early shower
and thunderstorm over the eastern parts of the South East Coastal district,
southern Goldfields, western Eucla and far eastern parts of the Central Wheat
Belt. Showers and possible thunderstorms developing south of a line Rockingham
to Albany.

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

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