Severe Weather Warning: Heavy Rainfall and Flash Flooding Issued for South Australia Districts

Alert Details

The Australian Government Bureau of Meteorology (BOM) has issued a Severe Weather Warning for heavy rainfall. This is a top-priority update issued at 10:56 am ACDT on Friday, 27 February 2026, as a humid tropical airmass interacts with a low pressure system and a southern trough.

Affected Areas

The warning covers the following geographic districts in South Australia:

• West Coast
• Lower Eyre Peninsula
• Eastern Eyre Peninsula
• North West Pastoral
• Parts of the North East Pastoral district

Specific locations that may be affected include Port Lincoln, Ceduna, Marla, Coober Pedy, Roxby Downs, and Wudinna.

What You Should Do

The State Emergency Service (SES) advises residents in the warning area to take the following precautions:

• Do not drive, ride, or walk through flood water.
• Keep clear of creeks and storm drains.
• Stay indoors and away from windows while conditions remain severe.

Expected Conditions

An extremely humid tropical airmass is wrapping around a low pressure system, which is expected to bring significant precipitation. Forecasted rainfall amounts include:

• Six-hour totals: Between 30 and 70 mm.
• 24-hour totals: Between 40 and 80 mm, with isolated totals reaching up to 120 mm possible.

These conditions are likely to lead to flash flooding. Flood Watches and Warnings are currently active for the region.

Timeline

Heavy rainfall is expected to develop over northern and western parts of the state on Friday afternoon. The weather system is forecast to spread further southeast during the weekend, reaching the Eyre Peninsula and southeast parts of the North West Pastoral district from early Saturday morning. The next update from the Bureau of Meteorology is scheduled to be issued by 5:00 pm ACDT Friday.