#IDW10100 Western Australia Forecast Issued at 4:45 am WST on Saturday 18 September 2021

IDW10100
Australian Government Bureau of Meteorology
Western Australia

Western Australia Forecast
Issued at 4:45 am WST on Saturday 18 September 2021
for the period until midnight WST Tuesday 21 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 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 with a strong high moving through the Bight on Monday and
Tuesday.

Weather Situation – Southern and Central Western Australia
A ridge extends over the central west coast. A weak cold front will slide over
southern parts of the South West Land Division today and Sunday. Following the
front a strong ridge will develop over the south of the State on Sunday with a
high moving through the Bight on Monday and Tuesday.

Forecast for the rest of Saturday 18 September
Widespread morning frost likely through northern and eastern parts of the South
West Land Division, Goldfields and adjacent areas of the Gascoyne and Eucla.
Showers about the Southwest Capes extending to areas southwest of Lancelin to
Israelite Bay during the day. Chance of a shower and a slight chance of a
thunderstorm over the northern and eastern Kimberley and the northeast Interior.

Forecast for Sunday 19 September
Showers about coastal and adjacent parts between Jurien Bay and Israelite Bay
with mainly light falls inland. Chance of a shower or thunderstorm over
northwestern parts of the Kimberley and northeastern parts of the Interior.

Forecast for Monday 20 September
Mostly sunny.

Forecast for Tuesday 21 September
Mostly sunny with windy conditions over central and northern parts of the State
during the morning.

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

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