#IDW10100 Western Australia Forecast Issued at 4:45 am WST Monday 12 September 2022

Australian Government Bureau of Meteorology
Western Australia

Western Australia Forecast
Issued at 4:45 am WST on Monday 12 September 2022
for the period until midnight WST Thursday 15 September 2022.

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 lies over the inland Kimberley and Pilbara before being confined to
the Kimberley on Tuesday. The northern end of a cold front will pass through
the Gascoyne during Tuesday. A ridge will develop over southern parts of the
State Wednesday and Thursday with a fresh southeasterly flow over the Pilbara.

Weather Situation – Southern and Central Western Australia
A high pressure ridge lies over southern parts of the State which is moving
eastwards. A trough near the west coast will start to shift inland during today
as a relatively strong cold front approaches the west coast. This front will
pass over the west coast early Tuesday and continue eastward across the State
for the remainder of the day. A high pressure ridge will then develop over
southern parts of the State on Wednesday and Thursday.

Forecast for the rest of Monday 12 September
Remaining warmer than normal across the South West Land Division. Showers
developing over the far South West during the morning, extending to southwest
of a line from Shark Bay to Bremer Bay by late evening, with thunderstorms
south of Jurien Bay. Showers are likely to be increasing during the afternoon
and evening over the South West and Lower West districts. Isolated showers and
thunderstorms with little rainfall over the Southeast Coastal district,
adjacent Goldfields, eastern Great Southern and far southeast Central Wheat
Belt late afternoon and evening. Possible morning fog near the coast about the
Pilbara, north and west Kimberley, west Gascoyne and Central West district.

Forecast for Tuesday 13 September
Windy with widespread showers across most of the South West Land Division,
along with the chance of thunderstorms through southern parts of the region.
Moderate falls possible in the Lower West and South West. Showers extending
into the southern and western Gascoyne and Goldfields. Windy and warm through
the eastern Goldfields, Eucla and South Interior with possible isolated
thunderstorms over the southern Eucla later in the day. Possible morning fog
near the Pilbara and northwest Kimberley coasts.

Forecast for Wednesday 14 September
Showers over western and southern parts of the South West Land Division and
coastal Eucla. Possible small hail about the south coast of the South West Land
Division. Remaining windy over the far southern half of the State. Possible
morning fog near the far northwest Kimberley coast.

Forecast for Thursday 15 September
Showers over far southern parts of the South West Land Division and coastal
Eucla. Only possible light showers expected over the adjacent inland and west
coast south of Lancelin. Windy morning over the north of the State.

The next routine forecast will be issued at 4:30 pm 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