IDW10100
Australian Government Bureau of Meteorology
Western Australia

Western Australia Forecast
Issued at 1:30 pm WST on Sunday 18 October 2026
for the period until midnight WST Thursday 22 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 ridge extends over the Gascoyne today with a trough located in the east, with
another trough developing along the Pilbara coast on Monday. The trough then
extends south over the inland Gascoyne during the start of the week, before
moving east on Wednesday.

Weather Situation – Southern and Central Western Australia
A ridge builds in the wake of a cold front that is moving over the southeast.
Another cold front approaching the south coast on Tuesday, crossing the south
coast on Wednesday. A trough will develop over the Goldfields from Wednesday
afternoon, before moving east on Thursday as the cold front sweeps through the
Bight.

Forecast for the rest of Sunday 18 October
Showers and possible thunderstorms over the northern and eastern Kimberley, the
eastern and southern Interior, eastern Goldfields, Eucla and the eastern South
East Coastal district. Slight chance of a shower southwest of a line from Perth
to Albany, more frequent between Augusta and Denmark. Windy through southern WA.

Forecast for Monday 19 October
Showers and possible thunderstorms over the northern and eastern Kimberley and
eastern Interior. Chance of a thunderstorm over the inland Pilbara and
northeast Gascoyne. Light showers possible about coastal parts of the South
West Land Division south of Mandurah, mostly in the morning. Windy morning over
the eastern Pilbara.

Forecast for Tuesday 20 October
Showers and possible thunderstorms over much of the Kimberley, Interior, west
and southern Pilbara, northeast Gascoyne, and northern Goldfields. Chance of a
light shower over the South West district in the morning. Possible morning fog
in the South East Coastal district.

Forecast for Wednesday 21 October
Showers and possible thunderstorms over much of the Kimberley, the Interior,
southeast Pilbara, northeast Gascoyne and northern Goldfields. Showers
developing southwest of a line Jurien Bay to Bremer Bay during the day.
Possible morning fog over inland western parts of the South West Land Division.
Windy over the southern South West Land Division.

Forecast for Thursday 22 October
Showers and possible thunderstorms over much of the Kimberley, Interior,
eastern Eucla, and far eastern Goldfields. Showers southwest of Kalbarri to
Israelite Bay, retracting towards the south coast later in the morning.

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

  • Calls to 1300 numbers cost around 27.5c incl. GST, higher from mobiles or
    public phones.

Copyright Commonwealth of Australia 2011, Bureau of Meteorology (ABN 92 637 533
532). Users of these web pages are deemed to have read and accepted the
conditions described in the Copyright, Disclaimer, and Privacy statements
(http://www.bom.gov.au/other/copyright.shtml).