Weather Warning

This warning affects:Lower West and South West.

Severe Weather Warning for parts of Lower West and South West districts.

  • Issued by the Bureau of Meteorology

IDW21037

Australian Government Bureau of Meteorology
Western Australia

Severe Weather Warning

Issued at 9:56 PM WST on Tuesday 25 Aug 2026.

Weather Situation

Heavy rainfall affecting parts of the South West and Lower West districts.

Weather Situation: A slow-moving cold front is producing persistent rain with embedded thunderstorms, which is pushing onshore about coastal areas and parts of the hills.

HEAVY RAINFALL which may lead to FLASH FLOODING is possible about parts of the South West and Lower West districts. Six-hourly rainfall totals between 30 and 60 mm are expected, with possible localised falls up to 90 mm.

Heavy falls are expected to ease on Wednesday during the early evening.

Locations which may be affected include Bunbury, Busselton, Mandurah, Collie, Harvey and Dwellingup.

52.8 mm was recorded east of Busselton in the 2 hours to 9:30pm

The Department of Fire and Emergency Services advises that people should:

  • * If outside find safe shelter away from trees, power lines, storm water drains and streams.
  • * Close your curtains and blinds, and stay inside away from windows.
  • * Unplug electrical appliances and do not use land line telephones if there is lightning.
  • * If boating, swimming or surfing leave the water.
  • * Be alert and watch for hazards on the road such as fallen power lines and loose debris.
  • * Keep away from flooded drains, rivers, streams and waterways.
  • * Be careful of fallen trees, damaged buildings and debris.
  • * Be careful of fallen power lines. They are dangerous and should always be treated as live.
  • * Assess your home, car and property for damage.
  • * If damage has occurred take photos and contact your insurance company to organise permanent repairs.
  • * If your home or property has significant damage, like a badly damaged roof or flooding, call the SES on 132 500.

Check https://www.bom.gov.au/weather-and-climate/warnings-and-alerts. Warnings are also available through TV and Radio broadcasts or call 1300 659 210. The Bureau and Department of Fire and Emergency Services would appreciate warnings being broadcast regularly.