Source: Bureau of Meteorology

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

Issued at 4:58 pm Saturday, 22 November 2025.

Severe thunderstorms continue in parts of the Great Southern and the South West.

Weather situation: a surface trough moving eastwards combines with an upper wave to generate thunderstorms this afternoon and into the evening.

Severe thunderstorms are likely to produce damaging winds, large hailstones and heavy rainfall that may lead to flash flooding in the warning area over the next several hours. Locations which may be affected include Katanning, Manjimup, Mount Barker, Narrogin, Collie and Corrigin.

Williams North recorded 21.4 mm rainfall in 30 min to 2:01 pm.

Maxon Farm recorded 25 mm rainfall in 30 min to 3:05 pm.

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.