#IDW10100 Western Australia Forecast Issued at 4:45 am WST on Friday 17 September 2021

IDW10100
Australian Government Bureau of Meteorology
Western Australia

Western Australia Forecast
Issued at 4:58 am WST on Friday 17 September 2021
for the period until midnight WST Monday 20 September 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 broad area of low pressure extends from the Kimberley and is contracting into
the North Interior. A ridge of high pressure is developing over the central
west coast on Friday resulting in fresh southerly flow across the Pilbara,
particularly in the west. Another stronger ridge will begin to develop over the
south of the State on Sunday.

Weather Situation – Southern and Central Western Australia
A ridge extends over the central west coast during Friday. A weak cold front
will slide over southwestern parts of the South West Land Division on Saturday.
A stronger ridge will develop over the south of the State on Sunday.

Forecast for the rest of Friday 17 September
Possible patchy frost over southern and eastern parts of the Central Wheat Belt
and northwestern parts of the Great Southern. Showers near the south coast and
adjacent parts and near the west coast south of Geraldton. Possible small hail
near the south coast. Chance of a shower or thunderstorm over the northern and
eastern Kimberley and northeast Interior.

Forecast for Saturday 18 September
Widespread frost or fog likely through northern and eastern parts of the South
West Land Division, Goldfields and adjacent areas of the Gascoyne, South
Interior and Eucla. Showers southwest of Lancelin to Bremer Bay, most likely
through the South West district. Chance of a shower or thunderstorm over the
northern and eastern Kimberley.

Forecast for Sunday 19 September
Showers southwest of a line from Jurien Bay to Israelite Bay with mainly light
falls inland. Chance of a shower or thunderstorm over eastern parts of the
Interior.

Forecast for Monday 20 September
Chance of a morning shower near the south coast.

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

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