Source: Bureau of Meteorology

For people in North Interior and parts of Kimberley and South Interior districts.

Issued at 9:59 am Sunday, 30 March 2025.

Heavy rainfall and possible damaging wind gusts over parts of the Interior and southern Kimberley with ex-Tropical Cyclone Dianne.

Weather Situation: Ex-Tropical Cyclone Dianne continues to move to the south-southeast through the North Interior of WA.

HEAVY RAINFALL which may lead to FLASH FLOODING is forecast for southern parts of the Kimberley and western parts of the Northern Interior, extending towards the remainder of the Interior tonight and through Monday as ex-Tropical Cyclone Dianne moves slowly to the south-southeast.

Six-hourly rainfall totals of 50 to 80 mm are possible, with isolated totals up to 120 mm. 24-hourly totals of 80 to 120 mm are possible, with isolated daily falls up to 180 mm.

Heavy rainfall is expected to ease later on Monday.

DAMAGING WIND GUSTS up to 90 km/h are possible in eastern parts of the warning area, particularly in association with thunderstorms.

Locations which may be affected include Balgo and Kiwirrkurra.

Derby recorded 170 mm and Curtin RAAF Base recorded 134 mm of rainfall over 24 hours as the system moved through.

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.