Source: Bureau of Meteorology

For people in parts of Lower West, South West and Great Southern districts.

Issued at 7:38 am Friday, 5 September 2025.

Severe thunderstorms with damaging winds and heavy rainfall over parts of southwest Western Australia this morning.

Weather Situation: A cold front traversing southwest Western Australia combines with rich moisture to produce the risk of severe thunderstorms this morning.

Severe thunderstorms are likely to produce damaging winds and heavy rainfall that may lead to flash flooding in the warning area over the next several hours. Locations which may be affected include Bunbury, Mandurah, Collie, Rottnest Island, Harvey and Bridgetown.

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 there is flooding, create your own sandbags by using pillow cases filled with sand and place them around doorways to protect your home.
* If boating, swimming or surfing leave the water.
* Do not drive into water of unknown depth and current.
* Slow down and turn your headlights on.
* Be alert and watch for hazards on the road such as fallen power lines and loose debris.
* If it is raining heavily and you cannot see, pull over and park with your hazard lights on until the rain clears.