Australian Government Bureau of Meteorology
Western Australia Forecast
Issued at 4:45 am WST on Wednesday 2 August 2023
for the period until midnight WST Saturday 5 August 2023.
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 ridge of high pressure through northern parts of the State is weakening as a
cold front and associated trough approach the west coast. The cold front will
sweep through the Gascoyne and western part of the Pilbara on Wednesday before
contracting away to the southeast on Thursday. A new high pressure ridge will
strengthen quickly eastward in the wake of this front, bringing a return to the
familiar southeasterly wind regime over the Pilbara on Friday.
Weather Situation – Southern and Central Western Australia
A high pressure ridge is weakening over southern WA as a cold front approaches
from the Indian Ocean. The front and associated rain band will sweep eastward
through central and southern parts of the State during Wednesday and Thursday.
A new ridge of high pressure will strengthen quickly across the State in the
wake of the front and will bring largely settled weather right through the
Forecast for the rest of Wednesday 2 August
Rain and showers extending throughout the South West Land Division, Gascoyne
and Goldfields, extending into the Eucla and western South Interior by evening.
A band of heavier rain and possible thunderstorms associated with a cold front
in the southwest corner of the State, primarily during the morning and early
afternoon. Thunderstorms may be severe about mainly coastal parts of the Lower
West and South West. Chance of thunderstorms developing in the south-central
Goldfields. Tending sharply colder over southern and western parts of the South
West Land Division in the wake of the cold front with possible small hail in
showers. Windy and warm during the day in advance of the front through the
east-central Pilbara, northern and eastern Goldfields, South Interior and Eucla.
Forecast for Thursday 3 August
Showers easing and contracting southeast out of the Goldfields and Eucla.
Mainly morning showers about the immediate west coast south of Shark Bay.
Showers also on an easing trend across the South West, South Coastal District
and South East Coastal District. Possible small hail in showers early in the
day south of a line from Bunbury to Hopetoun. Chance of morning frost and fog
across inland western parts of the South West Land Division. Feeling much
cooler through the Gascoyne, Goldfields, South Interior, Eucla and South East
Forecast for Friday 4 August
Showers over eastern and northern parts of the South Interior, contracting east
during the day. Light showers possible over the southern coastal districts.
Cold in the morning with areas of frost through the inland South West Land
Division, Goldfields, southern Gascoyne and Eucla.
Forecast for Saturday 5 August
Areas of fog and frost over the inland South West Land Division, Eucla,
Goldfields and southern South Interior. Chance of light showers over the South
West. Dry southeasterly winds across northern parts of the State.
The next routine forecast will be issued at 4:30 pm WST Wednesday.
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