IDW10100 Western Australia Forecast

Australian Government Bureau of Meteorology
Western Australia

Western Australia Forecast
Issued at 4:45 am WST on Sunday 24 May 2020
for the period until midnight WST Wednesday 27 May 2020.

Warning Information
For latest warnings go to, subscribe to RSS feeds, call 1300 659 210* or listen for warnings on relevant TV and radio broadcasts.

Weather Situation – Northern Western Australia
A fresh and gusty northeasterly as a weakening tropical low (Ex-Tropical Cyclone Mangga) and associated trough will approach western parts of WA. The trough and associated cloud band will cross the Pilbara today with potentially moderate to heavy falls and damaging winds over the western Pilbara. The trough and cloud band will reach the western Kimberley and western Interior by Monday evening. A ridge will develop over central parts of the state on Tuesday with the the trough gradually contracting north over the Kimberley. For more details on current warnings see

Weather Situation – Southern and Central Western Australia
A high is moving over southeastern Australia as a trough and associated middle level cloud band is combining with a tropical low to bring strong, squally and potentially damaging north to northeasterly winds and a risk of heavy falls over western parts of the State on Sunday. A deep low pressure system is likely to develop within the band near the southwest of WA and a cold front will then move through southern parts of the State during Sunday and Monday with the cloud band moving east ahead of the front. Expect shower and squally winds to continue over southern parts of the State during Monday. By Tuesday a ridge has developed over central parts of the state allowing a mainly westerly flow to persist over the southern parts. For more details on current warnings see

Forecast for the rest of Sunday 24 May
Rain areas with possible squally winds developing over the South West Land Division, western Gascoyne and western Pilbara, extending to the eastern Gascoyne and the Goldfields during the afternoon and evening. The chance of thunderstorms over the far western Pilbara and western Gascoyne.

Forecast for Monday 25 May
Rain easing to showers over the South West Land Division, Gascoyne, western Pilbara and the Goldfields during the morning. Showers, rain and thunderstorms possible over the eastern Pilbara and moving into the western Kimberley and northern Interior during the day. Squally winds, showers and thunderstorms over over the South West Land Division, Goldfields and the Eucla, particularly over near coastal areas of the South West Land Division and easing and contracting to mainly southern districts during the day.

Forecast for Tuesday 26 May
Showers over near coastal parts of the South West Land Division south of Lancelin, contracting to near the coast during the day. Morning showers over the Eucla. Showers and rain over the North Interior and Kimberley contracting north during the day. The chance of a thunderstorm near the Kimberley coast.

Forecast for Wednesday 27 May
Showers and possible thunderstorm over the northwest Kimberley. Showers over western and southern parts of the South West Land Division.

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

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