#IDW10100 Western Australia Forecast Issued at 4:45 am WST on Thursday 16 September 2021

IDW10100
Australian Government Bureau of Meteorology
Western Australia

Western Australia Forecast
Issued at 4:45 am WST on Thursday 16 September 2021
for the period until midnight WST Sunday 19 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 as a front moves over southern parts of WA. A ridge of high
pressure develops over the central west coast on Thursday and Friday resulting
in fresh southerly flow across the Pilbara, particularly in the west.

Weather Situation – Southern and Central Western Australia
A cold front is moving through the South West Land Division and western
Gascoyne on Thursday with a ridge developing over the central west coast later
in the day and during Friday. A weak cold front slides over southwestern parts
of the South West Land Division on Saturday.

Forecast for the rest of Thursday 16 September
Showers southwest of a line from Denham to Israelite Bay clearing from inland
areas during the afternoon and evening. The chance of thunderstorms southwest
of a line from Perth to Bremer Bay, mainly about coastal and adjacent inland
parts. Wind gusts up to 80 km/h possible in showers and thunderstorms between
Lancelin and Bremer Bay. Possible small hail over southern districts. Chance of
a shower or thunderstorm over the eastern Kimberley and northeast Interior.

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

Forecast for Saturday 18 September
Widespread frost likely through northern and eastern parts of the Great
Southern, throughout the Central Wheat Belt, southern Goldfields and adjacent
inland areas of the South East Coastal district. Showers southwest of Lancelin
to Bremer Bay, most likely through the South West district.

Forecast for Sunday 19 September
Chance of showers near the south coast and west coast south of Mandurah, mostly
in the morning.

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

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