IDW10100
Australian Government Bureau of Meteorology
Western Australia

Western Australia Forecast
Issued at 4:45 am WST on Friday 21 May 2021
for the period until midnight WST Monday 24 May 2021.

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 high pressure system over eastern Australia extends a weak ridge over
southern WA. A weak trough lies near the Pilbara and west Kimberley coasts,
pushing offshore during the mornings. The trough will deepen over the west
Pilbara during Sunday then start to move east as a new ridge of high pressure
establishes over central WA.

Weather Situation – Southern and Central Western Australia
A weak high pressure ridge lies near the south coast. A cold front is
approaching, and will move across the South West Land Division during Saturday
with the remnants pushing through northern and eastern parts on Sunday. A
second, windier cold front will move along the south coast from Sunday
afternoon reaching the Bight on Monday. A new ridge of high pressure will
develop through central parts of the State in its wake.

Forecast for the rest of Friday 21 May
Morning smoke areas possible about the South West and Lower West. Showers
possible over southern parts of the Southwest District.

Forecast for Saturday 22 May
Showers developing over western and southern parts of the South West Land
Division during the morning. A band of more frequent showers with possible
thunderstorms developing about the SW Capes around sunrise, then extending
north and east to reach a line from Geraldton to Esperance by midnight.

Forecast for Sunday 23 May
Showers throughout the South West Land Division, easing over inland parts
during the morning. Thunderstorms possible southwest of a line from Bunbury to
Albany, extending north to Perth in the afternoon. A band of showers extending
through areas southwest of a line from Exmouth to Eucla during the day.

Forecast for Monday 24 May
Showers over western and southern parts of the South West Land Division, easing
along the west coast during the day. Thunderstorms and small hail possible for
south coastal districts west of Israelite Bay, clearing in the afternoon and
evening. A band of showers extending from the western Pilbara, through the
adjacent Gascoyne, eastern Goldfields, Interior and Eucla, contracting east and
easing during the day.

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

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